diagramas tt de ferro e aço - aço de alta resistência
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196 Atlas of Time-Temperature Diagrams
Compot3ition: 0.40% C - 0.56% Mn - 0.53% Si - 0.001% S - 0.012% P - 0.21% Ni - 1.65% Cr - 0.23% MO - 0.15% Cu - 1.100% AI Austeniticed at QOOOC (1652OF)
40 CAD 6-12 Steel
Composition: 0.40% C - 0.56% Mn - 0.53% Si - 0.001% S - 0.012% P - 0.21% Ni - 1.66% Cr - 0.23% MO - 0.16% Cu - 1.100% AI Austeniticed at QOOOC (1662OF)
SOURCE: Courber de Transformation der Aciem de Fabrication Francaise, IRSID, Park, France, 1974
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A t/as of Time-Temperature Diagrams 601
O.lC-0.24Mo-B Steel Composition: 0.10% C - 0.87% Mn - 0.33% Si - 0.24% MO - 0.002% B - 0.006% N - 0.048% Zr Auatenitired at Q82OC (i800F)
CCT diagram in the undeformed condition
CCT diagram at 25% reduction
SOURCE: Y.E. Smith, C.A. Siebert,Continuous Cooling Transformation Kinetics of Thermomechanically Worked Low-Carbon Austenite, Metallurgical Transactions, Vol 2, ASM, June 1971, pp 1711-1725
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602 Atlas of Time-Temperature Diagrams
O.lC-0.24Mn-B Steel Composition: 0.10% C - 0.87% Mn - 0.33% Si - 0.24% MO - 0.002% B - 0.005% N - 0.048% Zr Austenitieed at Q82OC 118000Fj
CCT diagram at 50% reduction
SOURCE: Y.E. Smith, C.A. Siebert,Continuous Cooling Transformation Kinetics of Thermomechanically Worked Low-Carbon Austenite, Metallurgical Transactions, vol 2, ASM International, June 1971
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602 Atlas of Time-Temperature Diagrams
0.1 C-0.39Mo-B Steel Composition: 0.10% C - 0.88% Mn - 0.34% Si - 0.39% MO - 0.003% B - 0.005% N - 0.046% Zr Austeniticed at 982C (1800~F)
CCT diagram in the undeformed condition
SOURCE: Y.E. Smith, C.A. Siebert,Continuous Cooling Transformation Kinetics of Thermomechanically Worked Low-Carbon Auetenite, Metallurgical Transactions, Vol 2, ASM, June 1971, pp 1711-1724
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Atlas of Time-Temperature Diagrams 603
O.lC-0.39Mo-B Steel Composition: 0.10% C - 0.88% Mn - 0.34% Si - 0.39% MO - 0.003% B - 0.005% N - 0.046% Zr Austenitieed at 982OC (18000F)
CCT diagram at 25% reduction
CCT diagram at 50% reduction
SOURCE: Y.E. Smith, C.A. Siebert,Continuous Cooling Transformation Kinetics of Thermomechanically Worked Low-Carbon Austenite, Metallurgical Transactions, Vol 2, ASM International, June 1971, pp 1711-1724
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604 Atlas of Time-Temperature Diagrams
O.lC-0.66Mo-B Steel Composition: 0.10% C - 0.88% Mn - 0.35% Si - 0.66% Mo - 0.003% B - 0.005% N - 0.044% Zr Austeniticed at 982C (1800oF)
CCT diagram in the undeformed condition
CCT diagram at 25% reduction
SOURCE: Y.E. Smith, C.A. Siebert,Continuous Cooling Transformation Kinetics of Thermomechanically Worked Low-Carbon Austenite, Metallurgical Transactions, Vol 2, ASM International, June 1971, pp 1711-1724
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Atlas of Time-Temperature Diagrams 605
O.lC-0.66Mo-B Steel Composition: 0.10% C - 0.88% Mn - 035% Si - 0.66% MO - 0.003% B - 0.005% N - 0.044% Zr Austeniticed at 982OC (18000F)
CCT diagram at 50% reduction
SOURCE: Y.E. Smith, C.A. Siebert,Continuous Cooling Transformation Kinetics of Thermomechanically Worked Low-Carbon Austenite, Metallurgical Transactions, Vol 2, ASM International, June 1971, pp 1711-1724
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Atlas of Time-Temperature Diagrams 605
0.2C-0.38Mo-B Steel Composition: 0.20% C - 0.87% Mn - 0.30% Si - 0.38% MO - 0.003% B - 0.006% N - 0.052% Zr Auetenitissed at 982C (i8000F)
CCT diagram in the undeformed condition
SOURCE: Y.E. Smith, C.A. Siebert,Continuoue Cooling Transformation Kinetics of Thermomechanically Worked Low-Carbon Auetenite, Metallurgical Transactions, Vol 2, ASM, June 1971, pp 1711-1724
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606 Atlas of lime-Temperature Diagrams
0.2C-0.38Mo-B Steel Composition: 0.20% C - 0.87% Mn - 0.30% Si - 0.38% MO - 0.003% B - hN - 0.052% Zr Austeniticed at 982C (180Ci&) .-
CCT diagram at 25% reduction
CCT diagram at 50% reduction
SOURCE: Y.E. Smith, C.A. Siebert,Continuoue Cooling Transformation Kinetics of Thermomechanically Worked Low-Carbon Austenite, Metallurgical Transactions, Voi 2, ASM International, June 1971, pp 1711-1724
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A t/as of Time-Temperature Diagrams 233
005 Composition: 0.224% C - 1.498% Mn - 0.226% Si - 0.02% S - 0.022% P - 0.037% Ni - 0.33% Cr - 0.195% MO - 0.054% Al Grain sise: 9 Austenitised at SSOOC (1580OF) for 30 min
SOURCE: M. Economopoulos, N. Lambert, L. Habraken, Diagrammes de Transformation des Aciers Fabriquee dans le Benelux, Centre National de Recherches Metallurgiques, Brussels, Belgium, 1967
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Atlas of Time-Temperature Diagrams 239
006 Composition: 0.18% C - 1.36% Mn - 0.21% Si - 0.025% S - 0.014% P - 0.91% Ni - 0.26% Cr - 0.37% MO - 0.057% V - 0.048% Al Grain sire: 9 Austenitired at 900C (1652oF) for 30 min
SOURCE: M. Economopoulos, N. Lambert, L. Habraken, Diapammer de Transformation des Aciers Fabriques dans le Benelux, Centre National de Recherches Metallurgiques, Brussels, Belgium, 1967
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A t/as of Time-Temperature Diagrams 233
007 Composition: 0.201% C - 1.55% Mn - 0.26% Si - 0.019% S - 0.025% P - 0.89% Cr - 0.005% Al - 0.11% Nb Grain site: 8 Auetenitised at 925OC (1697oF) for 16 min
SOURCE: M. Economopoulos, N. Lambert, L. Habraken, Diagrammes de Transformation des Aciers Fabriques dans le Benelux, Centre National de Recherches Metallurgiques, Brussels, Belgium, 1967
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Atlas of Time-Temperature Diagrams 799
19 hl Nb 6 Steel Composition: 0.19% C - 1.39% Mn - 0.26% Si - 0.019% S - 0.029% P - 0.043% Nb - 0.007% N - 0.046% Al Austenitieed at 900C (1652OF) for 30 min
SOURCE: Courbes de Transformation des Aciera de Fabrication Francaise, IRSID, Paris, France, 1974
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A t/as of Time-Temperature Diagrams 611 -
Carbon Steel Composition: 0.23% C - 0.85% V Solution treated in an argon- atmosphere furnace at 1200C (2190F), and plunged into a tin bath for the required length of time before quenching in water. VC precipitates in ferrite aa fine particles aligned in nearly parallel rowe or lines
SOURCE: A.D. Batte, R.W.K. Honeycombe, Precipitation of Vanadium Carbide in Ferrite, Journal of The Iron and Steel Institute, Vol 211, April 1973, p 284
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612 Atlas of Time-Temperature Diagrams
Carbon Steels
Composition: 0.20% C - 0.023% Nb - 1.04% V - 15 ppm N - 13 pm 0
Composition: 0.15% C - 0.020% NB - 0.75% V - 40 ppm N - 41 wm 0
Composition: 0.09% C - 0.016% Nb - 0.48% V - 40 ppm N - 69 mm 0
Composition: 0.04% C - 0.02% Mn - 0.020% Nb - 0.55% V - 6 ppm N - 1 ppm 0
Solution treated in an argon-atmosphere furnace at 1200C (2190F), and plunged into a tin bath for the required length of time before quenching in water. VC precipitates in ferrite as fine particles aligned in nearly parallel rows or lines
SOURCE: A.D. Batte, R.W.K. Honeycombe, Precipitation of Vanadium Carbide in Ferrite, Journal of The Iron and Steel Institute, Vol 211, April 1973, p 284
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A t/as of Time-Temperature Diagrams 559
C-I% Steels
Composition: 0.12% C - 1.33% Mn - 0.28% Si - 0.011% P - Composition: 0.11% C - 1.58% Mn - 0.28% Si - 0.013% P - 0.009% S Austeniticed at 12OOOC (21920F) for 10 min 0.009% S Auatenitised at 1200C (21920F) for 10 min
Composition: 0.11% C - 1.73% Mn - 0.29% Si - 0.009% P - 0.010% S Austenitired at 1200C (21920F) for 10 min
Composition: 0.11% C - 1.99% Mn - 0.29% Si - 0.012% P - 0.009% S Austenitised at 12OOC (21920F) for 10 min
SOURCE: Jye-Long Lee, Shyi-Chin Wang, Gwo-Hwa Cheng, Transformation Processes and Products for C-Mn Steels during Continuous Cooling, Materials Science and Technology, Vol 5, July 1989, pp 674-681
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342 Atlas of lime-Temperature Diagrams
Cr-V Quenched and Tempered Engineering Steels Composition: 0.43% C - 0.67% Mn - 0.28% Si - 0.10% V - 0.32% Cr
SOURCE: A.F. Crawley, M.T. Shehata, Metallurgy of Continuous Annealed Sheet Steel, TMS-AIME, 1982, as published in Atlas of Continuous Cooling Transformation Diagrams for Vanadium Steels, Vanitec, England, June 1985
Cr-V-Ti Quenched and Tempered Engineering Steels Composition: 038% C - 0.78% Mn - 0.29% Si - 0.030% S - 0.005% P - 0.99% Cr - 0.14% Ni - 0.08% MO - 0.06% V - 0.021% Ti - 0.20% Cu - 0.022% AI - 0.01% N Austenitired at 875OC (1607oF) for 30 min
SOURCE: Institutet for Metallforskning, Sweden, as published in Atlas of Continuous Cooling Transformation Diagrams for Vanadium Steels, Vanitec, England, June 1985
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Atlas of Time-Temperature Diagrams 343
Cr-V-Ti quenched and Tempered Engineering Steels Composition: 0.39% C - 0.76% Mn - 0.28% Si - 0.033% S - 0.007% P - 0.99% Cr - 0.14% Ni - 0.03% MO - 0.12% V - 0.047% Ti - 0.21% Cu - 0.01% N Austeniticed at 876OC (1607oF) for 10 min
Cr-V-Ti Quenched and Tempered Engineering Steels Composition: 0.40% C - 0.75% Mn - 0.27% Si - 0.034% S - 0.007% P - 0.96% Cr - 0.13% Ni - 0.07% MO - 0.06% V - 0.035% Ti - 0.20% Cu - 0.01% N Austenitised at 875C ( 1607F) for 30 min
SOURCE: Instituter for Metallforskning, Sweden, as published in Atlas of Continuous Cooling Transformation Diagrams for Vanadium Steels, Vanitec, England, June 1985
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Atlas of Time-Temperature Diagrams 561
Cu-Ni-Mo-Cb Steel 12.0% Cr - 1.0% MO-V Steel Comporition: 0.14% C - 0.98% Mn - 035% Si - 0.009% P - 0.012% S - 1.21% Ni - 0.32% Cr - 0.40% MO - 0.63% Cu - 0.032% Al - 0.014% N - 0.02% Cb
Composition: 0.20% C - 0.47% Mn - 0.24% Si - 0.026% P - 0.009% S - 0.39% Ni - 11.59% Cr - 0.98% MO - 0.002% Al - 0.28% V - 0.0323% N
SOURCE: Gerhard P. Kalwa, Klaur Haarmann, Klaus J. Jansaen, Experience with Ferritic and Martensitic Steel Tubes and Piping in Nuclear and Non-Nuclear Applications, proceedinga of Topical Conference on Ferritic Alloys for Use in Nuclear Energy Technologier, J.W. Davis, D.J. Michel, edr., AIME, 1984, pp 235-244
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Atlas of Time-Temperature Diagrams 613
Carbides Fe-Nb-C Alloy Steel
Composition: Fe - 0.07% C - 0.031% Nb Austenitired at llOOC (2012OF) for 10 min
Composition: Fe - 0.09% C - 0.036% Nb - 0.003% B Austenitised at llOOC (2012OF) for 10 min
TTP diagram showing the transformation of austenite to ferrite containing NbC
SOURCE: T. Sakuma, R.W.K. Honeycombe, Microstructures of Isothermally Transformed Fe-Nb-C Alloys, Metal Science, Vol 18, 1984, p 449
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674 Atlas of Time-Temperature Diagrams
Fe-Nb-C Alloy Steel Composition: Fe - 0.07% C - 1.07% Mn - 0.033% Nb Composition: Fe - 0.07% C - 0.031% Nb Austenitised at llOOC (2012F) for 10 min Carbide-free ferrite is principally formed between 850 and 78OC in the Mn-containing alloy, a wider temperature range than that for the alloy without manganese
TTT diagram of Fe-Nb-C-Mn alloy determined by high-speed dilatometry; data on Fe-Nb-C alloy are also shown for comparison (shaded areas represent difference between the two alloys)
Schematic of TTT curves for Fe-Nb-C and Fe-Nb-C-Mn alloys; interphase precipitation (IP) occurs in certain shaded areas
SOURCE: T. Sakuma, R.W.K. Honeycombe, Effect of Manganese on Microstructure of an Isothermally Transformed Fe-Nb-C Alloy, Materials Science and Technology, Vol 1, May 1985, p 351
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630 Atlas of lime-Temperature Diagrams
Precipitation During Aging (Tempering)
Ferritic Steel Composition: 0.12% C - 0.5% V Treatment: After solution-treatment and quenching, specimens were aged at 350C (660OF) for 2 h
Isothermal precipitation of VC from bainite during aging
Isothermal precipitation of VC from martensite during aging
Composition: 0.12% C - 1.3% MO Treatment: After solution-treatment and quenching, specimens were aged at 350C (66OOF) for 2 h
Isothermal precipitation of Mo2C from martensite or bainite during aging
SOURCE: J.M. Derbyshire, J. Barford, Carbide Transformations in Ferritic Steel, The Mechanism of Phase Transformations in Crystalline Solids, proceedings of an International Symposium, Monograph and Report Series No. 33, The Institute of Metals, 1969, p 66
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A t/as of lime-Temperature Diagrams 615
Fe-V-C Alloy Steel Composition: 0.12% C - 0.02% Mn - 0.02% MO - 0.46% V - 0.002% N Solution treated at 1200C (2192OF) for 5 h
Volume fractions of etoichiometric vanadium carbide precipitated by isothermal aging over range of temperatures
SOURCE: W.G. Hall, T.N. Baker, Electrical Resistivity and Length Changes during Precipitation in Fe-V-C Alloy, Metal Science, Vol 15, October 1981, p 447
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558 Atlas of Time-Temperature Diagrams
Hot-Rolled Dual Phase Steel Composition: 0.06% C - 1.19% Mn - 0.87% Si - 038% MO - 0.064% Al Auetenitised atQ60C (1760OF)for 20 min
SOURCE: Structure and Properties of Dual Phase Steels, R.A. Knot, T.W. Morris, eds., AIME, 1979
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A t/as of Time-Temperature Diagrams
HSLA Steel Composition: 0.11% C - 1.61% Mn - 0.34% Si - 0.003% S - 0.029% Nb Grain sise: 9
SOURCE: WM. Hof, M.K. Graf, H.-G. Hillenbrand, B. Hoh, P.A. Peters, New High-Strength Large-Diameter Pipe Steels, HSLA Steels: Metallurgy and Applications, ASM, 1986, pp 467
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A t/as of Time-Temperature Diagrams 679
HSLA Steels Treatmentr: Two thermomechanical treatments were designed for the determination of time-temperature-precipitation diagrams. (Tl) Specimene were solution treated in a gas-fired furnace at 1260C (2SOOF) for 30 min and grain refined by successive hot-rolling passes at 12S0, 1175 and 10QSC (2250, 2150, and 2OOOOF) where the total reduction in area was 30% for each pass. They were then cooled, using an atomiaer jet of water (mist-jet), to the desired holding temperature. (T2) Specimens were hot rolled to 30% reduction at 980C (18OOOF) to investigate the effect of low finishing temperature, with mist-jet cooling both before and after. They were then isothermally treated in a salt bath for the required periods up to 1 hr and quenched into brine cooled by dry ice.
Composition: 0.062% C - 1.71% Mn - 0.12% Si - 0.016% P - 0.011% S - 0.02% MO - 0.074% Nb - 0.025% Al - 0.0060% N
TTP diagram of precipitation of Nb(C,N) in recrystallieed austenite of base steel
Composition: O.O6S% C - 1.71% Mn - 0.11% Si - 0.018% P - 0.011% S - 0.03% MO - 0.084% Nb - 0.024% Al - 0.0058% N
TTP diagram showing effect of deformation on precipitation of Nb(C,N) in austenite
SOURCE: II. Watanabe, Y.E. Smith, R.D. Pehlke, Precipitation Kinetics of Niobium Carbonitride in Austenite of High-Strength Low-Alloy Steels, The Hot Deformation of Austenite, The Metallurgical Society of AIME, 1977, p 140
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620 A t/as of Time-Temperature Diagrams
HSLA Steels Composition: 0.060% C - 1.74% Mn - 0.12% Si - 0.017% P - 0.011% S - 0.29% MO - 0.075% Nb - 0.022% Al - 0.0061% N
TTP diagram showing effect of MO on precitipation of Nb(C.N) in recrystallised austenite
Composition: 0.059% C - 1.70% Mn - 0.12% Si - 0.018% P - 0.011% S - 0.29% MO - 0.080% Nb - 0.022% Al - 0.0062% N
TTP diagram showing effect of deformation and MO on precipitation of Nb(C,N) in austenite
SOURCE: H. Watanabe, Y.E. Smith, R.D. Pehlke, Precipitation Kinetics of Niobium Carbonitride in Austenite of High-Strength Low-Alloy Steels, The Hot Deformation of Austenite, The Metallurgical Society of AIME, 1977, p 140
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A t/as of Time-Temperature Diagrams 621
HSLA Steels Composition: 0.059% C - 1.70% Mn - 0.12% Si - 0.018% P - 0.011% S - 0.29% MO - 0.080% Nb - 0.022% Al - 0.0062% N
TTP diagram showing effect of MO on precipitation of Nb(C,N) in unrecrystallised austenite
Composition: 0.062% C - 1.75% Mn - 0.12% Si - 0.018% P - 0.011% S - O.OS% MO - 0.075% Nb - 0.029% Al - 0.0102% N
TTP diagram showing effect of N content on precipitation of Nb(C,N) in recrystallised austenite
SOURCE: H. Watanabe, Y.E. Smith, R.D. Pehlke, Precipitation Kinetics of Niobium Carbonitride in Austenite of High-Strength Low-Ahoy Steels, The Hot Deformation of Austenite, The Metallurgical Society of AIME, 1977, p 140
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Atlas of Time-Temperature Diagrams
HSLA Steels
ASTM A710 Composition: 0.05% C - 0.50% Mn - 0.28% Si - 0.88% Ni - 0.71% Cr - 0.20% MO - 1.12% Cu - O.OSS% Nb
HSLA 80/10 Composition: 0.05% - 1.00% Mn - 034% Si - 1.77% Ni - 0.72% Cr - 0.50% MO - 1.25% Cu - 0.040% Nb
0.24C-Mn-MO-V Composition: 0.24% C - 1.67% Mn - 0.39% Si - 0.14% Ni - 01.17% Cr - 0.22% MO - 0.11% V
ASTM A710 Mod. Composition: 0.06% C - 1.45% Mn - 0.36% Si - 0.97% Ni - 0.72% Cr - 0.42% MO - 1.26% Cu - 0.040% Nb
HSLA 100 Composition: 0.06% C - 0.83% Mn - 0.37% Si - 3.48% Ni - 0.68% Cr - 0.59% MO - 1.66% Cu - 0.28% Nb
0.35C-hln-MO-V Composition: 0.35% C - 1.40% Mn - 0.76% Si - 0.06% Ni - 0.07% Cr - 0.19% MO - 0.14% V
SOURCE: S.W. Thompson, G. Krauss, Structure and Properties of Continuously Cooled Bainitic Ferrite-Austenite-Martensite Microstructures, 31st Mechanical Working and Steel Processing Conference Proceedings, ISS of AIME, 1990, pp 467-481
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Atlas of Time-Temperature Diagrams 627
CCP of Complex Nitrides
HT-50 Steel Composition: 0.08% C - 1.4% Mn - 0.25% Si - 0.008% P - 0.002% S - 0.04% Al - 0.008% Ti - O.OOSO% N - 0.0014% B Treatment: Quenched from various temperatures on cooling process of a simulated weld thermal cycle whose peak temperature was 1400C (255OOF) and cooling time was 160 8 for 800-500C (1470-930F)
Precipitation diagram of Fe23(CB)6, BN and MnS during continuous cooling from 1400C (255OF)
SOURCE: K. Itoh, et al., Basic Ideas on the Development of Ti-B-Low N 50 kg/mm2 Steel for Large Heat Input Welding, HSLA Steels: Metallurgy and Applications, J.M. Gray, et al, Eds., ASM, 1986, p 669
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Atlas of Time-Temperature Diagrams 567
Low C MnNiMoB Steel Composition: 0.015% C - 1.99% Mn - 031% Si - 0.006% P - 0.004% S - 1.00% Ni - ~0.01% Cr - 0.29% MO - 0.017% Al - 0.002% B Austenithed at 920C (16QOOF)
SOURCE: B.L. Bramfitt, J.G. Speer, The Microstructure of Continuously Cooled Bainite, 31st Mechanical Working and Steel Processing Proceedings, ISS of AIME, 1990, pp 44%453
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600 A t/as of Time-Temperature Diagrams
Low-Carbon Bainitic Steel
Composition: 0.08% C - 1.57% Mn - 0.28% Si - 0.011% P - 0.002% S - 0.07% V - 0.03% Nb - 0.018% Ti - 0.042% sol. Al 0.0038% N
CCT diagram after hot deformation from llOOC (2012F), hot deformation sequence to right of transformation curves
Composition: 0.02% C - 1.60% Mn - 0.16% Si - 0.043% Nb - 0.017% Ti - 0.0018% B - 0.0020% N
CCT diagram after hot deformation from 1050C (1922oF), hot deformation sequence to right of transformation curves
SOURCE: H. Ohtani, S. Okaguchi, Y. Fujishiro, Y. Ohmori, Morphology and Properties of Low-Carbon Bainite, Metallurgical Transactions A, Vol 2lA, ASM, April 1990, pp 877-888
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324 A t/as of Time-Temperature Diagrams
Mn-Mo-Nb-V Structural Steels (As Rolled) Composition: 0.06% C - 1.21% Mn - 0.25% Si - 0.001% S - 0.014% P - 0.26% MO - 0.08% V - 0.044% Nb - 0.036% Al - 0.003% N Grain rice: ASTM 7.1 Austenitked (a) at 1050C (1922F) for 3 8, (b) at 930C (1706F) for 10 min
SOURCE: Kawaeaki Steel Corporation Rerearch Laboratories, Japan, aa published in Atlaa of Continuous Cooling Transformation Diagramn for Vanadium Steela, Vanitec, England, June 1985
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A t/as of Time-Temperature Diagrams 325
Mn-Mo-Nb-V Structural Steels (As Rolled) Composition: 0.07% C - 1.49% Mn - 0.26% Si - 0.001% S - 0.015% P - 0.25% MO - 0.08% V - 0.042% Nb - 0.036% Al - 0.003% N Grain aire: ASTM 7-8 Auatenitised (a) at 1050C (19llOF) for 3 a (b) at 93OC (1706OF) for 10 min
SOURCE: Kawaeaki Steel Corporation Research Laboratories. Japan, ae published in Atlas of Continuous Cooling Transformation Diagrame for Vanadium Steela, Vanitec, England, June 1985
Mn-Mo-Nb-V Structural Steels (As Rolled) Compoaition: 0.09% C - 1.03% Mn - 0.28% Si - 0.015% S - 0.010% P - 0.01% Cr - 0.01% Ni - 0.31% MO - 0.10% V - 0.09% Nb - 0.021% Al Auateniticed at 960C (176OOF)
SOURCE: P. Wellner, et al., Mirco-Alloyed Steel for Casting, SulEer Technical Review, 1976, No. 2, as published in Atlas of Continuous Cooling Transformation Diagrame for Vanadium Steels, Vanitec, England, June 1985
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326 Atlas of Time-Temperature Diagrams
Mn-Mo-Nb-V Structural Steels (As Rolled) Composition: 0.12% C - 1.72% Mn - 0.28% Si - 0.005% S - 0.016% P - 0.20% MO - 0.06% V - 0.038% Nb - 0.068% Al - 0.0001% N Grain eke: ASTM 8 Auatenitkd at 910C (1670F)
SOURCE: T. Wada, et al, High Strength Steela for Pipeline Fittings, 1981, an published in Atlas of Continuous Cooling Transformation Diagrame for Vanadium Steela, Vanitec, England, June 1985
Mn-Mo-Nb-V Structural Steels (As Rolled) Composition: 0.14% C - 1.44% Mn - 0;.23% Si - 0.007% S - 0.011% P - 0.065% Cr - 0.23% Ni - 0.035% MO - 0.10% V - 0.03% Nb - 0.48% Cu - 0.028% Al - 0.013% N Auatenitked at 132OOC (2408F)
SOURCE: B.S.C. Laboratories, Rotherham, England, an published in Atlas of Continuoua Cooling Transformation Diagrams for Vanadium Steels, Vanitec, England, June 1986
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Atlas of Time-Temperature Diagrams 557
Mn-Mo-Si-Cr Steels
Composition: 0.061% C - 1.0% Mn - 1.0% Si Grain rice: 9.5 Auetenitisxd at 955OC (1750F) for 10 min
Composition: 0.08% C - 1.17% Mn - 0.70% Si - 0.62% MO Grain sise: 10.5 Austenitised at 956C (1750OF) for 10 min
SOURCE: S.S. Haneen, Optimication of Structure and Properties of As-Hot-Roiled Dual-Phase Steels, Mechanical Working k Steel Procerring XIX, proceedinga of the 2Srd Mechanical Working & Steel Processing Conference, Pittsburgh, 28-29 October, 1981, AIME, 1982, pp 1-22
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558 Atlas of Time-Temperature Diagrams
Mn-Mo-Si-Cr Steels Composition: 0.061% C - 1.13% Mn - 0.77% Si - 0.28% Cr - 0.30% MO Grain nice: 10 AustenitiEed at 955C (1750F) 10 min
SOURCE: S.S. Hansen, Optimization of Structure and Properties of As-Hot-Rolled Dual-Phase Steels, Mechanical Working k Steel Processing XIX, proceedings of the 23rd Mechanical Working k Steel Processing Conference, Pittsburgh, 28-29 October, 1981, AIME, 1982, pp l-22
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318 A t/as of Time-Temperature Diagrams
Mn-MO-V Structural Steels (As Rolled) Composition: 0.04% C - 1.19% Mn - 0.30% Si - 0.001% S - 0.002% P - 0.02% Cr - 0.02% Ni - 0.33% MO - 0.09% V - 0.01% Nb - 0.057% Al Auetenitised at QSOC (176OF)
SOURCE: P. Wellner, A. Mukherjee, H. Mayer, Micro-Alloyed Steel for Caeting, Sulser Technical Review, 2, 1976, an published in Atlas of Continuous Cooling Transformation Diagrams for Vanadium Steels, Vanitec, England, June 1985
Mn-MO-V Structural Steels (As Rolled) Composition: 0.04% C - 190% Mn - 0.11% Si - 0.021% S -
0.019% P - 0.19% MO - 0.09% V - 0.02% Al - 0.009% N
Double deformed condition
SOURCE: Hardenability of Thermomechanically Worked Low Carbon, Mn-Mo-Nb and Mn-Mo-Nb-V Steels, Climax Molybdenum Report L-176-82, ae published in Atlas of Continuous Cooling Transformation Diagrame for Vanadium Steels, Vanitec, England, June 1985
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Atlas of Time-Temperature Diagrams 319
Mo-MO-V Structural Steels (As Rolled) Composition: 0.04% C - 190% Mn - 0.11% Si - 0.021% S - 0.019% P - 0.19% MO - 0.09% V - 0.02% Al - 0.009% N AustenitiEed at 925C (1700F)
Mn-MO-V Structural Steels (As Rolled) Composition: 0.04% C - 130% Mn - 0.11% Si - 0.021% S - 0.019% P - 0.34% MO - 0.09% V - 0.02% Al - 0.009% N Auetenitiaed at 925C ( 1700F)
Deformed and recrystallised at Q2SC (17OOF)
SOURCE: Hardenability of Thermomechanically Worked Low Carbon, Mn-Mo-Nb and Mn-Mo-Nb-V Steels, Climax Molybdenum Report L-176-82, ae published in Atlas of Continuous Cooling Transformation Diagrams for Vanadium Steels, Vanitec, England, June 1985
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320 Atlas of Time-Temperature Diagrams
Mn-MO-V Structural Steels (As Rolled) Composition: 0.08% C - l.Q8% Mn - 0.32% Si - 0.003% S - 0.006% P - 0.18% MO - 0.22% V - 0.020% Al - 0.005% N Austenitised at 1000C (1832OF)
SOURCE:P BSC Laboratories, Rotherham, England, as published in Atlas of Continuous Cooling Transformation Diagrams for Vanadium Steels, Vanitec, England, June 1985
Mn-MO-V Structural Steels (As Rolled) Composition: 0.08% C - 1.70% Mn - 0.50% MO - 0.10% V - 0.020% N Aurtenitised at QtOC (1724OF) for 5 min
SOURCE: Kawasaki Steel Corporation Research Laboratories, Japan, as published in Atlas of Continuous Cooling Transformation Diagrams for Vanadium Steels, Vanitec, England, June 1985
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A t/as of Time-Temperature Diagrams 321
Mn-MO-V Structural Steels (As Rolled) Composition: 0.06% C - 1.46% Mn - 0.14% Si - 0.003% S - 0.018% P - 0.20% Cr - 0.02% Ni - 0.25% MO - 0.03% V - 0.01% Cu - 0.035% Al Austenitised at QSOC (1706F)
Mn-MO-V Structural Steels (As Rolled) Composition: 0.07% C - 1.52% Mn - 0.47% Si - 0.008% S - 0.004% P - 0.01% Cr - 0.01% Ni - 0.27% MO - 0.05% V - 0.01% Cu - 0.064% Al Austenitised at QZOC (1688OF)
SOURCE: Sumitomo Metal Industries Ltd., Central Research Laboratories, as published in Atlas of Continuous Cooling Transformation Diagrams for Vanadium Steels, Vanitec, England, June 1985
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322 A t/as of Time-Temperature Diagrams
Mn-MO-V Structural Steels (AS Rolled) Composition: 0.07% C - 1.57% Mn - 0.49% Si - O.CW% S - 0.004% P - 0.01% Cr - 0.01% Ni - 0.27% MO - 0.05% V - 0.0005% B - 0.01% Cu - 0.066% Al Aurteniticed at QZOC (1688OF)
SOURCE: Sumitomo Metal Industries Ltd., Central Research Laboratories, ae published in Atlae of Continuous Cooling Transformation Diagrams for Vanadium Steels, Vanitec, England, June 1985
Mn-MO-V Structural Steels (As Rolled) Composition: 0.12% C - 0.83% Mn - 0.30% Si - 0.005% S - 0.004% P - 0.53% Cr - 1.11% Ni - 0.49% MO - 0.03% V - 0.30% Cu - 0.031% Al Aurtenitked at Q50cC (1742OF) for 20 min
SOURCE: T. Kunitake, et al., Toward Improved Ductility and Toughness, Climax Molybdenum, 1971 as published in Atlas of Continuous Cooling Transformation Diagrame for Vanadium Steels, Vanitec, England, June 1985
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Atlas of Time-Temperature Diagrams 323
Mn-MO-V Structural Steels (As Rolled) Composition: 0.16% C - 139% Mn - 0.40% Si - 0.013% S - 0.016% P - 0.27% MO - 0.06% V - 0.018% Al - 0.004% N Austenitieed at Q30C (1706F) for 10 min
Mn-MO-V Structural Steels (As Rolled) Composition: 0.17% C - 1.54% Mn - 0.44% Si - 0.006% S - 0.012% P - 0.01% Cr - 0.02% Ni - 0.47% MO - 0.14% V - 0.002% Nb - 0.01% Cu - 0.010% Al - 0.006% N Austeniticed (a) at 930C (1706OF) for 76 min (b) at 1350C (2462OF) for 10 I
SOURCE: Kawaeaki Steel Corporation Research Laboratories, Japan, an published in Atlas of Continuous Cooling Transformation Diagrams for Vanadium Steels, Vanitec, England, June 1985
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324 Atlas of Time-Temperature Diagrams
Mn-MO-V Structural Steels (As Rolled) Composition: 0.06% C - 0.82% Mn - 0.26% Si - 0.001% S - 0.016% P - 0.26% MO - 0.08% V - 0.04% Nb - 0.040% Al - O.OOS% N Aurtenitked at QSOOC (1706OF) for 10 min
SOURCE: Kawaeaki Steel Corporation Rerearch Laboratories, Japan, aa published in Atlaa of Continuous Cooling Transformation Diagramn for Vanadium Steela, Vanitec, England, June 1985
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562 Atlas of Time-Temperature Diagrams
MD-MO-V-N Steel Composition: 0.15% C - 1.49% bin - 039% Si - 0.018% P - 0.015% S - 0.50% MO - 0.16% V - 0.14% N Austenitised at 950% (t740F) for 1 h
SOURCE: Zhang Xiu-mu, Ke Guo-qing, Xia Dien-pei, Microstructure and Mechanical Properties of HSLA Mn-MO-V-N Steel, HSLA Steels: Metallurgy and Applications, J.M. Gray et al, eda., ASM, 1986
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A t/as of Time-Temperature Diagrams 313
Mn-Nb-V Structural Steels (As Rolled) Composition: 0.05% C - 1.82% Mn - 0.39% Si - 0.012% S - 0.018% P - 0.06% V - 0.055% Nb - 0.011% Al - 0.011% N Austenitised at Q50C (1742OF)
SOURCE: J. Jurt, J. Motr, Giereereiforschung, 1976, 28 (4), aa published in Atlas of Continuous Cooling Transformation Diagram for Vanadium Steels, Vanitec, England, June 1986
Mn-Nb-V Structural Steels (As Rolled) Composition: 0.06% C - 1.21% Mn - 0.25% Si - 0.001% S - 0.015% P - 0.31% Ni - 0.07% V - 0.043% Nb - 0.30% Cu - 0.041% Al - 0.003% N Grain rice: ASTM 7 Austeniticed (a) at 1050C (1932OF) (b) QSOC (1706OF)
SOURCE: Kawaeaki Steel Corporation Research Laboratories, Japan, an published in Atlas of Continuous Cooling Transformation Diagram for Vanadium Steels, Vanitec, England, June 1986
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314 Atlas of Time-Temperature Diagrams
Mn-Nb-V Structural Steels (As Rolled) Compoeition: 0.07% C - 1.35% Mn - 0.29% Si - 0.004% S - 0.006% P - 0.08% V - 0.025% Nb - 0.030% Al - 0.006% N Auatenitked at llOOC (2012OF) for 10 min
SOURCE: B.S.C. Laboratories, Rotherham, England, en published in Atlaa of Continuous Cooling Transformation Diagrams for Vanadium Steels, Vanitec, England, June 1986
Mn-Nb-V Structural Steels (As Rolled) Composition: 0.08% C - 1.62% Mn - 0.37% Si - 0.007% S - 0.023% P - 0.21% Cr - 0.10% Ni - 0.10% V - 0.05% Nb - 0.34% Cu - 0.02% Al - 0.008% N Austenitked at llOOC (2012OF) for Smin
SOURCE: T. Haehimoto, et al., Thermomechanical Processing of Microalloyed Austenite, TMS-AIME, 1982, as published in Atlea of Continuour Cooling Transformation Diagrama for Vanadium Steele, Vanitec, England, June 1985
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Atlas of Time-Temperature Diagrams 315
Mn-Nb-V Structural Steels (As Rolled) Composition: 0.06% C - 1.69% Mn - 0.26% Si - 0.001% S - 0.015% P - 0.31% Ni - 0.08% V - 0.043% Nb - 0.30% Cu - 0.040% AI - 0.003% N Grain nice: ASTM 7.7 Aurtenitised at 105OC (1932F)
SOURCE: Kawasaki Steel Corporation Research Laboratories, Japan, an published in Atlas of Continuous Cooling Transformation Diagram for Vanadium Steels, Vanitec, England, June 1985
Mo-Nb-V Structural Steels (As Rolled) Composition: 0.06% C - 233% Mn - 038% Si - 0.008% S - 0.025% P - 0.40% Cr - 0.01% Ni - 0.01% MO - 0.08% V - 0.048% Nb - 0.01% Cu - 0.035% Al Austeniticed at QOOOC (i652OF)
SOURCE: Sumitomo Metal Industries Ltd., Central Research Laboratories, aa published in Atlas of Continuous Cooling Transformation Diagrams for Vanadium Steels, Vanitec, England, June 1985
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316 A t/as of Time-Temperature Diagrams
Mn-Nb-V Structural Steels (As Rolled) Composition: 0.10% C - 1.63% Mn - 0.35% Si - 0.010% S - 0.013% P - 0.01% MO - 0.07% V - 0.05% Nb - 0.046% Al - 0.007% N Auateniticed at 1000C (1832OF) for 2 min
SOURCE: Hoesch Estel Huttenverkaufskontor GmbH, Dortmund, Germany, aa published in Atlas of Continuous Cooling Transformation Diagrams for Vanadium Steels, Vanitec, England, June 1985
Mo-Nb-V Structural Steels (As Rolled) Composition: 0.10% C - 1.48% Mn - 036% Si - 0.008% S - 0.01496 P - 0.019% V - 0.003% Ti - 0.023% Nb - 0.046% Al Austenitieed at 135OC (2462OF)
SOURCE: Rautaruukki Oy, an published in Atlas of Continuous Cooling Transformation Diagrams for Vanadium Steels, Vanitec, England, June 1986
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Atlas of Time-Temperature Diagrams 317
Mn-Nb-V Structural Steels (As Rolled) Composition: 0.11% C - 1.60% Mn - 0.30% Si - 0.002% S - 0.017% P - 0.09% V - 0.005% Ti* - 0.022% Nb - 0.021% Al Austenitired at QSOC (1742F) for 5 min
* wt% TiN
SOURCE: Nippon Kokan K.K. Technical Research Centre, Kawasaki, Japan, an published in Atlas of Continuous Cooling Transformation Diagrama for Vanadium Steels, Vanitec, England, June 1985
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340 Atlas of Time-Temperature Diagrams
Mn-V Quenched and Tempered Steels Composition: 0.34% C - 131% Mn - 0.24% Si - 0.10% V - 0.018% AI - 0.016% N Austeniticed at 925OC (17OOF) for 5 min
SOURCE: D.L. Sponseller, J.A. Straatman, Mechanical Working and Steel Processing XIX, KS-AIME, 1982, an published in Atlas of Continuous Cooling Transformation Diagram for Vanadium Steels, Vanitec, England, June 1985
Mn-V Quenched and Tempered Steels Composition: 0.35% C - 1.62% Mn - 0.47% Si - 0.008% S - 0.001% P - 0.10% Cr - 0.10% Ni - 0.01% MO - 0.11% V - 0.14% Cu - 0.02% AI Austenitised at 890C (1634OF) for 10 min
SOURCE: Acciaierie E. Ferriere Lombarde Falck, Milan, Italy, as published in Atlas of Continuous Cooling Transformation Diagrams for Vanadium Steels, Vanitec, England, June 1985
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Atlas of Time-Temperature Diagrams 341
Mn-V Quenched and Tempered Steels Composition: 0.88% C - 1.65% Mn - 0.80% Si - 0.016% S - 0.018% P - 0.02% Cr - 0.01% Ni - 0.12% MO - 0.07% V - 0.01% Cu - 0.021% AI Austenitised at 920C (1688OF)
SOURCE: Sumitomo Metal Industrier ltd., Central Research Laboratories, as published in AtIan of Continuous Cooling Transformation Diagrams for Vanadium Steels, Vanitec, England, June 1985
Mn-V Quenched and Tempered Steels Composition: 0.45% C - 1.84% Mn - 1.45% Si - 0.018% S - 0.022% P - 0.10% V Auetenitked at 900C (1652OF) for 10 min
SOURCE: Central Iron and Steel Research Institute, Beijing, China, as published in Atlas of Continuous Cooling Transformation Diagrama for Vanadium Steele, Vanitec, England, June 1985
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A t/as of Time-Temperature Diagrams 299
Mn-V Structural Steels (As Rolled) Composition: 0.04% C - 1.90% Mn - 0.11% Si - 0.021% S - 0.019% P - 0.09% V - 0.02% Al - O.OOQ% N
Deformed and recrystallized at Q2SC ( 1700F)
SOURCE: Hardenability of Thermomechanically Worked Low Carbon, Mn-Mo-Nb and Mn-MO-V Steels, Climax Molybdenum as published in Ath of Continuous Cooling Transformation Diagram for Vanadium Steels, Vanitec, England, June 1985
Mn-V Structural Steels (As Rolled) Composition: 0.08% C - 1.95% Mn - 0.29% Si - 0.003% S - 0.010% P - 0.010% MO - 0.25% V - 0.037% Al - 0.008% N Austeniticed at llOC (2012F) for 6 min
SOURCE: B.S.C. Laboratories, Rotherham, England, an published in Atlas of Continuous Cooling Transformation Diagrama for Vanadium Steele, Vanitec, England, June 1985
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300 A t/as of Time-Temperature Diagrams
Mn-V Structural Steels (As Rolled) Composition: 0.07% C - 1.94% Mn - 0.30% Si - 0.003% S - 0.009% P - 0.010% MO - 0.14% V - 0.038% Al - 0.007% N Austenitiaed at llOOC (2012F) for 6 min
SOURCE: B.S.C. Laboratorier, Rotherham, England, a8 published in Atlas of Continuous Cooling Transformation Diagram8 for Vanadium Steelr, Vanitec, England, June 1985
Mn-V Structural Steels (As Rolled) Composition: 0.09% C - 1.48% Mn - 0.26% Si - 0.060% S - 0.014% P - 0.010% Cr - 0.010% Ni - 0.010% MO - 0.04% V - 0.010% Cu - 0.047% AI Auateniticed at QSOC (1742OF)
SOURCE: Sumitomo Metal Industries Ltd., Central Research Laboratirer, acl published in Atlas of Continuous Cooling Transformation Diagram8 for Vanadium Steels, Vanitec, England, June 1986
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Atlas of ?ime-Temperature Diagrams 301
Mn-V Structural Steels (As Rolled) Composition: 0.11% C - 1.23 % Mn - 0.31% Si - 0.018% S - 0.031% P - 0.08% V - 0.006% N Austenitised at QOOC (i625OF) for 5 min
Mn-V Structural Steels (As Rolled) Composition: 0.11% C - 1.23% Mn - 0.31% Si - 0.018% S - 0.031% P - 0.08% V - 0.005% N Aurtenitised at llOC (2012OCF) for 6 min
SOURCE: Hoeech Estel Huttenverkaufskontor GmbH, Dortmund, Germany, aa published in Atlas of Continuous Cooling Transformation Diagrame for Vanadium Steels, Vanitec, England, June 1985
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302 At/as of Time-Temperature Diagrams
Mn-V Structural Steels (As Rolled) Composition: 0.11% C - 1.40% Mn - 0.55% Si - 0.063% V Aurteniticed at 7QOC ( 1450F)
SOURCE: Y.J. Park, G.T. Eldin, Metallurgy of Continuous Annealed Sheet Steel, TMS-AIME, an published in Atlae of Continuous Cooling Transformation Diagrams for Vanadium Steels, Vanitec, England, June 1985
Mn-V Structural Steels (As Rolled) Composition: 0.14% C - 1.52% Mn - 0.48% Si - 0.004% S - 0.011% P - 0.071% V Grain lice: ASTM 8 Austenitired at Q20C (1688OF) for 10 min
SOURCE: Central Iron and Steel Rerearch Inrtitute, Beijing, China, ae published in Atlae of Continuous Cooling Transformation Diagram for Vanadium Steela, Vanitec, England, June 1985
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A t/as of Time-Temperature Diagrams 303
MO-V Structural Steels (As Rolled) Composition: 0.14% C - 1.53% Mn - 0.36% Si - 0.008% S - 0.009% P - 0.06% Cr - 0.03% Ni - 0.01% MO - 0.04% V - 0.02% CU - 0.057% Al AuatenitiGed at Q30C (1760OF)
SOURCE: Sumitomo Metal Industries Ltd., Central Research Laboratories, an published in Atlas of Continuous Cooling Transformation Diagrams for Vanadium Steels, Vanitec, England, June 1985
Mn-V Structural Steels (As Rolled) Composition: 0.16% C - 090% Mn - 0.40% Si - 0.05% V - 0.014% N Grain rice: ASTM 11
SOURCE: I. Lindberg, Vanadium Steels, Vanitec Seminar, Krakow, Poland, 1980, M publiehed in Atlas of Continuous Cooling Transformation Diagrams for Vanadium Steels, Vanitec, England, June 1985
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304 Atlas of 7ime-Temperature Diagrams
Mn-V Structural Steels (As Rolled) Composition: 0.15% C - 1.30% Mn - 0.27% Si - O.OOQ% S - 0.010% P - 0.15% Cr - 0.15% Ni - 0.04% MO - 0.13% V - 0.19% Cu - 0.02% Al - 0.010% N Aurtenitised at 900C (1652OF)
SOURCE: F. Capelli, M. Canava, Welding of HSLA (Microalloyed) Structural Steels, ASM International, Materials Park, OH 1976
Mn-V Structural Steels (As Rolled) Composition: 0.16% C - 1.42% Mn - 0.44% Si - 0.021% S - 0.032% P - 0.025% V - 0.003% Ti - 0.002% Nb - 0.042% AI Aueteniticed at 1350C (2462F)
SOURCE: Rautaruukki Oy, a8 publirhed in Atlas of Continuous Cooling Tranrformation Diagrams for Vanadium Steels, Vanitec, England, June 1986
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Atlas of Time-Temperature Diagrams 305
Mn-V Structural Steels (As Rolled) Composition: 0.19% C - 1.44% Mn - 0.37% Si - 0.007% S - 0.011% P - 0.10% Cr - 0.06% Ni - 0.01% MO - 0.17% V - 0.20% CU - 0.03% AI - 0.010% N Aucltenitised at QOOC (1652OF)
SOURCE: F. Capelli, M. Cavana, Welding of HSLA (Microalloyed) Structural Steelr, ASM International, Material8 Park, OH 1976
Mn-V Structural Steels (As Rolled) Composition: 0.20% C - 1.45% Mn - 0.30% Si - 0.006% S - 0.012% P - 0.11% Cr - 0.10% Ni - 0.02% MO - 0.08% V - 0.14% Cu - 0.01% AI - 0.010% N Auatenitised at QOOC (1652F)
SOURCE: F. Capelli, M. Canava, Welding of HSLA (Microalloyed) Steels, ASM International, Materials Park, OH 1976
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306 A t/as of Time-Temperature Diagrams
Mn-V Structural Steels (As Rolled) Composition: 0.20% C - 1.46% Mn - 034% Si - 0.008% S - O.OlS% P - 0.12% Cr - 0.10% Ni - 0.02% MO - 0.14% V - 0.19% Cu - 0.03% AI - 0.012% N Austenitised at QOOC (1652OF)
SOURCE: F. Capelli, M. Cavana, Welding of HSLA (Microalloyed) Structural Steels, ASM International, Materials Park, OH 1976
Mn-V Structural Steels (As Rolled) Composition: 0.06% C - 1.97% Mn - 0.37% Si - 0.020% S - 0.006% P - 0.45% V - 0.029% Al - 0.009% N Austenitised at llOOC (2012OF)
SOURCE: BSC Laboratories, Rotherham, England as published in Atlas of Continuous Cooling Transformation Diagrams for Vanadium Steels, Vanitec, England, June 1985
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A t/as of Time-Temperature Diagrams 307
Mn-V Structural Steels (As Rolled) Composition: 0.06% C - 2.00% Mn - 0.37% Si - 0.005% S - 0.006% P - 0 - 0.45% V - 0.029% Al - 0.009% N Grain sise: ASTM 6-7 Austenitised at l150C (2102F) for 15 min
SOURCE: R.C. Cochrane, W.B. Morrison, Met. Tech, 1981, 8 (12), as published in Atlas of Continuous Cooling Transformation Diagrams for Vanadium Steels, Vanitec, England, June 1985
hln-V Structural Steels (As Rolled) Composition: 0.07% C - 1.99% Mn - 0.25% Si - 0.004% S - 0.013% P - 0.48% V - 0.038% Al - 0.008% N Aueteniticed at 1000C (1832F) for 6 min
SOURCE: Hoesch Estel Huttenverkaufskontor GmbH, Dortmund, Germany, as published in Atlas of Continuous Cooling Transformation Diagrams for Vanadium Steels, Vanitec, England, June 1985
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308 Atlas of Time-Temperature Diagrams
Mn-V Structural Steels (As Rolled) Composition: 0.07% C - 190% Mn - 0.24% Si - 0.006% S - 0.010% P - 0.08% MO - 0.43% V - 0.06% Al - O.OOQ% N Austenitised at 1150C (2102F)
SOURCE: A.M. Sage, Effect of Rolling Schedules on Structure and Properties of 0.45% Vanadium Weldable Steels for X70 Pipelines, Metals Technology, March 1981, es published in Atlas of Continuous Cooling Transformation Diagrams for Vanadium Steels, Vanitec, England, June 1985
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308 Atlas of Time-Temperature Diagrams
h-V-N Structural Steels (As Rolled) Composition: 0.07% C - 2.79% Mn - 0.18% V - 0.040% Al - 0.005% N Grain 8ise: ASTM 10-6 Austenitised at 1000C (1832OF) for 15 min
SOURCE: M. Darbin, P.R. Krahe, Conference Processing and Properties of Low Carbon Steels, TMS-AIME, 1973, an published in Atlas of Continuous Cooling Transformation Diagrams for Vanadium Steels, Vanitec, England, June 1985
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Atlas of Time-Temperature Diagrams 309
Mn-V-N Structural Steels (As Rolled) Composition: 0.16% C - 1.40% Mn - 0.04% Si - 0.012% S - 0.004% P - 0.11 V - 0.04% Al - 0.018% N Grain rise: ASTM 10.0 Austenitired at 900cC (1652OF) for 10 min
SOURCE: Microalloying 75, as published in Atlas of Continuous Cooling Transformation Diagrams for Vanadium Steels, Vanitec, England, June 1985
bin-V-N Structural Steels (As Rolled) Composition: 0.17% C - 1.75% Mn - 0.20% Si - O-0.10% V - 0.02% Al - 0.038% N Austenitised above 900C (1652OF)
SOURCE: E.E. Blum et al, Fit. Metal; Metalloved, 22 (6), 1966 as published in Atlas of Continuous Cooling Transformation Diagrams for Vanadium Steels, Vanitec, England, June 1985
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310 Atlas of Time-Temperature Diagrams
Mn-V-N Structural Steels (As Rolled) Composition: 0.17% C - 1.48% Mn - 0.30% Si - 0.021% S - 0.034% P - 0.035% Cr - 0.075% Ni - 0.02% MO - 0.15% V - 0.04% cu - 0.028% Al - 0.018% Austenitised at 1320C (2408~~)
SOURCE: B.S.C. Laboratories, Rotherham, England, as published in Atlas of Continuous Cooling Transformation Diagrams for Vanadium Steels, Vanitec, England, June 1985
Mn-V-N Structural Steels (As Rolled) Composition: 0.19% C - 1.55% Mn - 0.32% Si - 0.005% S - 0.013% P - 0.57% Ni - 0.13% V - 0.01% Al - 0.017% N Austenitired at 900C (1652F) for 5 min
SOURCE: Hoesch Eetel Huttenverkaufskontor GmbH, Dortmund, Germany, as published in Atlas of Continuous Cooling Transformation Diagrams for Vanadium Steels, Vanitec, England, June 1985
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Atlas of Time-Temperature Diagrams 317
Mn-V-Nb-Ti Structural Steels (As Rolled) Composition: 0.10% C - 1.50% Mn - 0.37% Si - 0.007% S - 0.011% P - 0.022% V - O.OZS% Ti - O.OZS% Nb - 0.044% Al Auateniticed at 13SOC (2462OF)
SOURCE: Rautaruukki Oy, aa published in Atlaa of Continuous Cooling Transformation Diagrama for Vanadium Steels, Vanitec, England, June 1986
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Atlas of Time-Temperature Diagrams 311
Mn-V-Ti Structural Steels (As Rolled) Composition: 0.05% C - 1.17% Mn - 0.26% Si - 0.016% S - 0.016% P - 0.04% V - 0.01% Ti Austeniticed at 1S50C (2462O~)
SOURCE: S. Kamacaw, M. Sato, Vanadium for the Improvement of Properties such as Weldability, Nippon Steels, 1976, as published in Atlas of Continuous Cooling Transformation Diagrams for Vanadium Steels, Vanitec, England, June 1985
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312 Atlas of lime-Temperature Diagrams
Mn-V-Ti Structural Steels (As Rolled) Composition: 0.06% C - 1.27% Mn - 030% Si - 0.080% S - 0.009% P - 0.01% Cr - 0.01% Ni - 0.01% MO - 0.04% V - 0.01% Cu - 0.046% Al Grain rise: ASTM 6.8 Austenitised at Q50C (1742F)
SOURCE: Sumitomo Metal Industries Ltd., Central Research Laboratories, as published in Atlas of Continuous Cooling Transformation Diagrams for Vanadium Steels, Vanitec, England, June 1985
Mn-V-Ti Structural Steels (As Rolled) Composition: 0.10% C - 1.51% Mn - 0.44% Si - 0.008% S - 0.033% P - 0.05% V - 0.013% Ti - 0.002% Nb - O.OSS% Al Austenitired at 13SOC (2462F)
SOURCE: Rautaruukki Oy, as published in Atlas of Continuous Cooling Transformation Diagrams for Vanadium Steels, Vanitec, England, June 1985
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618 A t/as of Time-Temperature Diagrams
Nb HSLA Steels Composition: 0.067% C - 1.23% Mn - 0.20% Si - 0.040% Nb - 0.02% Al - 0.006% (max) N Composition: 0.066% C - 1.26% Mn - 0.18% Si - 0.046% Nb - 0.08% Al - 0.006% (max) N Treatment: Austenitised for 30 min in an argon atmosphere in the test chamber immediately prior to testing. These temperatures were chosen to ensure the complete solution of the carbonitrides and to yield approximately the same initial austenite grain sise of - 100pm in all steels. The samples were then cooled to the test temperature at - lC/s, tested and quenched.
Dynamic TTP curves for the Nb and Nb-Al steels. Precipitation is retarded by the addition of 0.08% Al to the Nb steel. The rapid increase in the rate of precipitation at 875C (160SF) in the Nb-AI alloy is due to the transformation to ferrite during deformation at this temperature.
SOURCE: G. Wang, M.G. Akben, Effect of Al on Recrystallization and Precipitation in Nb HSLA Steels, HSLA Steels: Metallurgical Applications, J.M. Gray et al., Eds., ASM, 1986, p 163
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Atlas of Time-Temperature Diagrams 607
Nb Steel Composition: 0.16% C - 1.41% Mn - 036% Si - 0.018% P - 0.017% S - 0.031% Nb - 0.020% sol. Al - 0.0054% N Austeniticed at 12SOC (2282OF) for 30 min
The effect of deformation below recrystallisation temperature on the CCT diagram in Nb steel
SOURCE: C. Ouchi, T. Sanpei, T. Okita, I. Kosasu, Microstructural Changes of Austenite During Hot Rolling and Their Effects on Transformation Kinetics, The Hot Deformation of Austenite, The Metallurgical Society of AIME, New York, 1977, pp 316-340
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Atlas of Time-Temperature Diagrams 599
Nb Steel Composition: 0.10% C - 1.54% Mn - 0.0035% Si - 0.0016% P - 0.0012% S - 0.04% Nb - 0.0003% 0
Austenitked at QSOC (1740F), deformed (O-O.21 strain), then Austenitired at llSOC (2100F) for 15 min, deformed (O-O.21 cooled at various rates strain), then cooled at various rates
SOURCE: R. Priestner, M.S. Biring, Transformation of Low-Carbon Austenite after Small Plastic Strains, Metal Science Journal, Vol 7, 1973, pp 60-64
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Atlas of Time-Temperature Diagrams 617
Carbide llP During Deformation and Recrystallization Nb Steels Composition: 0.06% C - 0.42% Mn - 0.014% Si - 0.002% P - 0.009% S - 0.006% Cu - 0.018% Nb - 0.061% Al - 0.004% N Composition: 0.05% C - 0.42% Mn - 0.045% Si - 0.002% P - 0.009% S - 0.006% Cu - 0.035% Nb - 0.057% Al - 0.004% N Treatment: Solution treated at llOOC (2012F) under argon for 30 min and cooled to the testing temperature at a rate of 1oc s-1
TTP diagram for O.O18%Nb steel and for O.OSS%Nb steel. TTP diagrams for O.OSS%Nb steel determined using high strain Precipitation begins slightly earlier for O.OSS%Nb steel and ends rate technique (open symbols) compared with those using low somewhat later strain rate technique (closed symbols)
TTP diagram for dynamic precipitation in O.O35%Nb steel compared with ( = 1.4 x 10-l s-l and (strain rate = 5 x 10m2 s-l) results for precipitation in predeformed austenite (5% strain)
S0URCE:J.J. Jonas, I. Weiss, Effect of Precipitation on Recrystallization in Microalloyed Steels, Metal Science, March-April 1979, p 238
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Atlas of Time-Temperature Diagrams 311
Ni-V Structural Steels (As Rolled) Composition: 0.15% C - 0.71% Mn - 0.28% Si - 0.005% S - 0.007% P - 0.25% Cr - 1.07% Ni - 0.06% MO - 0.08% V - 0.15% Cu Austenitised at 9OOC ( lS52F)
SOURCE: Blondeau et al, High Strength Steels for Pipeline Fittings, 1981, as published in Atlas of Continuous Cooling Transformation Diagrams for Vanadium Steels, Vanitec, England, June 1985
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A t/as of Time-TempTerature Diagrams 355
Prestressed Concrete Wires Composition: 0.67% C - 1.39% Mn - 0.76% Si - 0.009% S - 0.016% P - 0.03% Cr - 0.32% Ni - 0.19% V - 0.40% Cu - 0.002% Al - 0.010% Austenitiaed (a) at 10SOC (1922F) in 3 min held for 3 min (b) at 10SOC (1922F) in 3 min held for 3 min with 50% deformation at 850C (1562OF)
Prestressed Concrete Wires Composition: 0.69% C - 1.41% Mn - 0.70% Si - 0.009% S - 0.030% P - 0.05% Cr - 0.03% Ni - 0.19% V - 0.03% Cu - 0.006% Al - 0.007% N Austenitired (a) at 10SOC (1922OF) in 3 min held for 3 min (b) at 10SOC (1922OF) in 3 min held for 3 min with 60% deformation at 850C (1662OF)
SOURCE: Stahlwerke Peine-Salrgitter AG, Salagitter, Germany, as published in Atlas of Continuous Cooling Transformation Diagrams for Vanadium Steels, Vanitec, England, June 1985
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356 Atlas of Time-Temperature Diagrams
Rail Steels Composition: 0.65% C - 1.14% Mn - 0.40% Si - 0.015% S - 0.024% P - 1.15% Cr - 0.15% V - 0.005% N Austeniticed (a) at QSOOC (1742OF) for 15 min (b) at 13OOOC (2372oF) for 1 min
SOURCE: II. Schmedders et al., Thyrsen Tech, Ber., (l), as published in Atlas of Continuous Cooling Transformation Diagrams for Vanadium Steels, Vanitec, England, June 1985
Rail Steels Composition: 0.73% C - 0.77% Mn - 0.27% Si - 0.010% S - 0.012% P - 1.58% Cr - 0.01% Ni - 0.46% MO - 0.05% V - 0.05% Cu - 0.010% Ai Aurteniticed at 885C (162ScF) for 20 min
SOURCE: Sumitomo Metal Industries Ltd., Central Research Laboratories, as published in Atlas of Continuous Cooling Transformation Diagrams for Vanadium Steels, Vanitec, England, June 1985
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Atlas of Time-Temperature Diagrams 357
Rail Steels Composition: 0.78% C - 1.61% Mn - 0.48% Si - 0.028% S - 0.014% P - 0.16% V - 0.18% Cu - 0.018% Al - 0.018% N Auatenitired at Q20C (1688OF) for 8 min
SOURCE: H.J. Wierter, et al., Stahl und Eiren, 79 (IS), 1959, aa published in Atlar of Continuour Cooling Transformation Diagrama for Vanadium Steele, Vanitec, England, June 1985
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482 A t/as of Time-Temperature Diagrams
SAE 1513 + Nb (Cb) Compoosition: 0.12% C - 1.23% Mn - 0.23% Si - 0.03% Al (with and without 0.036% Nb)
Effect of 0.036% Nb on transformation
SOURCE: F. de Kacinsky, A. Axnas, P. Pachleitner, Some Properties of Niobium-Treated Mild Steels, Jemkantorets Annaler, Vol 147, No. 408, 1963
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590 Atlas of Time-Temperature Diagrams
Si-Mn Steel Composition: O.OQ% C - 0.81% Mn - 0.11% Si - 0.017% P - 0.013% S - 0.11% Cu - 0.0060% N - 0.014% 0 (Carbon equivalent calculation 0.2SO%) Austenitised at 1350C (2460OF)
Si-Mn-Ti-B Steel Composition: 0.11% C - 1.16% Mn - 0.29% Si - 0.013% P - 0.011% S - 0.08% MO - 0.10% Cu - 0.043% Ti - 0.0034% B - 0.0057% N - 0.020% 0 (Garbo n e q uivalent calculation 0.335%) Austenitised at 13SOC (2460OF)
SOURCE: Yoshinori Ito, Mutruo Nakanishi, Yu-ichi Komico, Effects of Oxygen on Low Carbon Steel Weld Metal, Metal Construction, Vol 14, No. 9, September 1982, pp 472-478
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Atlas of Time-Temperature Diagrams 143
StE 47 (Ni-V) Composition: 0.21% C - 1.52% Mn - 0.40% Si - 0.022% P - 0.023% S - 0.043% Al - 0.019% N - 0.07% Ni - 0.13% V Austenitieed at 900C (1652OF)
SOURCE: Atlas cur Warmebehandlung der Stahle, vol 2, Verlag Stahleisen mbH, Dusseldorf, Germany, 1972
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Atlas of Time-Temperature Diagrams 153
StE 47 (Cu-Ni-V) Composition: 0.12% C - 1.28% Mn - 0.40% Si - 0.015% P - 0.016% S - 0.024% AI - 0.67% Cu - 0.62% Ni - 0.15% V Auatenitired at 900C (1652F)
StE 47 (Cu-Ni-Ti) Composition: 0.12% C - 1.28% Mn - 0.40% Si - 0.015% P - 0.016% S - 0.021% Al - 0.67% Cu - 0.62% Ni - 0.18% Ti Austenitised at 900C (1652F)
SOURCE: Atlas sur Warmebehandlung der Stahle, vol 2, Verlag Stahleisen mbH, Dusseldorf, Germany, 1972
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144 A t/as of Time-Temperature Diagrams
StE 47 (Ni-Ti) Composition: 0.17% C - 1.45% Mn - 0.55% Si - 0.016% P - 0.017% S - 0.065% Al - 0.74% Ni - 0.18% Ti Austenitised at 930C (1706F)
SOURCE: Atlas cur Warmebehandlung der Stahle, vol 2, Verlag Stahleisen mbH, Dusseldorf, Germany, 1972
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Atlas of Time-Temperature Diagrams 143
StE 70 (Cr-Mo-Zr) Composition: 0.17% C - 0.84% Mn - 0.54% Si - 0.019% P - 0.011% S - 0.031% Al - 0.019% AS - 0.89% Cr - 0.07% Cu - 0.40% MO - 0.05% Ni - 0.008% Np - 0.005% 02 - 0.008% Sn - 0.01% V - 0.09% Zr Austenitiaed at QSOC (1742F)
SOURCE: Atlas cur Warmebehandlung der Stahle, vol 2, Verlag Stahleisen mbH, Dusseldorf, Germany, 1972
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Atlas of Time-Temperature Diagrams 591
Tl Steel Composition: 0.16% C - 1.00% Mn - 0.23% Si - 0.014% P - 0.023% S - 0.94% Ni - 0.53% Cr - 0.45% MO - 0.34% Cu - 0.004% Ti - 0.0014% B - 0.05% V - 0.008% Sn Grain sire: 7 Austenitked at 10QOcC (2OOOOF)
SOURCE: E.F. Nippes, W.F. Savage, R.J. Allio, Studier of the Weld Heat-Affected Zone of T-l Steel, Welding Research Supplement, Vol 36, December 1957, pp 5318-540s
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A t/as of lime-Temperature Diagramsh 615
Ti Bearing Steels Composition: 0.072% C - 1.50% Mn - 0.24% Si - 0.005% P - 0.010% S - 0.06% Ti - 0.01% Al - 0.0052% N Composition: 0.058% C - 1.67% Mn - 0.20% Si - 0.005% P - 0.010% S - 0.11% Ti - 0.03% Al - 0.0062% N Composition: 0.075% C - 1.51% Mn - 0.30% Si - 0.005% P - 0.010% S - 0.18% Ti - 0.02% Al - 0.0084% N Composition: 0.060% C - 1.43% Mn - 0.27% Si - 0.005% P - 0.010% S - 0.25% Ti - 0.01% Al - 0.0070% N Austeniticed at 1270C (2318OF) for 0.05% Ti alloy, and 1280C (2336OF) for other alloys
TTP curves for 4 Ti bearing &eels
SOURCE: S.J. Liu, J.J. Jonas, Determination of the Kinetics of TIC Precipitation in Ti Microalloyed Steels Using a Stress Relaxation Technique, HSLA Steels: Metallurgy and Applications, J.M. Gray et al, Eds., ASM, 1986, p 253
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42 Atlas of Time-Temperature Diagrams
Type: USS Cor-Ten Steel Composition: Fe - 0.12% C - 0.45% Mn - 0.41% Si - 0.12% P - 0.31% Ni - 0.62% Cr - 0.26% Cu Grain site: 5-6 Austenitised at 899Oc (1650OF)
SOURCE: I-T Diagrams, Third Edition, United States Steel Corporation, Pittsburgh PA, 196s as published in Atlas of Isothermal Transformation and Cooling Transformation Diagrams, American Society for Metals, Metals Park OH, 1977
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536 A t/as of Time-Temperature Diagrams
VAN-80 HSLA Steel Composition: 0.18% C - 1.28% Mn - 0.40% Si - 0.004% P - 0.012% S - 0.09% V - 0.07% Al - 0.018% N Grain sire: 10.6 Aurtenitised at QOOC (1650OF)
SOURCE: Joner & Laughlin Steel Corporation an published in Metal Progresa
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A t/as of Time-Temperature Diagrams 569
V-Mo-Ti Steel
Composition: 0.18% C - 0.81% Mn - 0.26% Si - 0.40% Ni - 0.49% Cr - 0.17% MO - 0.056% Al - 66 ppm N Austenitised at 8SOC (1560OF) for 10 min
Composition: 0.20% C - 0.70% Mn - 0.29% Si - 0.10% Ni - 0.59% Cr - 0.09% MO - 0.07% V - 0.021% Al - 0.34% Ti - 150 ppm N Auetenitked at 8SOC (1560F) for 10 min
SOURCE: Stephen Preston, Influence of Vanadium on the Hardenability of a Carburieing Steel, Journal of Heat Treating, Vol 8, Springer-Verlag, 1990, pp 93-99
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Atlas of Time-Temperature Diagrams 293
18Ni200 Maraging Steel Composition: 0.012% C -
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294 A t/as of Time-Temperature Diagrams
18Ni250 Maraging Steel Composition: 0.02% C - 0.09% Mn - 0.09% Si - 17.8% Ni - 0.0021% B - 0.12% Al - 7.9% Co - 0.42% Ti Austenitired at 843C (1550OF) for 20 min
SOURCE: Witold W. Ciaa, hstenite Transformation Kinetics of Ferrous Alloys, Climax Molybdenum Company, Greenwich CT
18Ni300 Maraging Steel Comporition: 0.02% C - 0.07% Mn - 0.07% Si - 18.4% Ni - 4.9% MO - 0.003% B - 0.09% Al - 8.8% Co - 0.66% Ti Aurtenitised at S43OC (1550OF) for 20 min
18Ni350 Maraging Steel Compoeition: 0.908% C - 0.03% Mn - 0.03% Si - 17.4% Ni - 3.7% MO - 0.17% Al - 12.4% Co - 1.62% Ti Austeniti8ed at 843C (1550F) for 20 min
SOURCE: Witold W. Cias, Phase Transformational Kinetic8 of Four 18% Nickel Maraging Steel8 on Continuous Cooling, Climax Molybdenum Company Ltd., a8 publirhed in Metallurgia and Metal Forming, December 1971
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562 Atlas of Time-Temperature Diagrams
CrMoZr Structural Steel Composition: 0.17% C - 0.84% Mn - 0.54% Si - 0.019% P - 0.011% S - 0.89% Cr - 0.40% MO - 0.031% Al - 0.09% Zr Austenitised at 9SOC (17409) for 30 min
SOURCE: J. Degenkolbe, B. Musgen, Experiences with Quenched and Tempered CrMoZr-Alloyed Structural Steels, The Metallurg Companiee, Duaaeldorf, 1970, pp 61-80
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Atlas of Time-Temperature Diagrams
Mo-MO-V Quenched and Tempered Engineering Steels Composition: 0.30% C - 1.91% Mn - 0.34% Si - 0.009% S - 0.016% P - 0.67% MO - 0.07% V Austenitised at QOOC (1652F) for 15 min
Mn-MO-V Quenched and Tempered Engineering Steels Composition: 0.35% C - 1.51% Mn - 0.28% Si - 0.007% S - 0.015% P - 1.29% MO - 0.21% V - 0.10% Cu Austenitised at QOOC (1652OF) for 10 min
SOURCE: Central Iron and Steel Research Institute, Beijing, China, as published in Atlas of Continuous Cooling Transformation Diagrams for Vanadium Steels, Vanitec, England, June 1985
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A t/as of Time-Temperature DiagramsT 345
Mn-MO-V Quenched and Tempered Engineering Steels Composition: 038% C - 2.16% Mn - 0.32% Si - 2.02% Ni - 0.64% MO - 0.14% V Austeniticed at QOOOC (1652OF) for 10 min
SOURCE: Central Iron and Steel Research Institute, Beijing, China, as published in Atlas of Continuous Cooling Transformation Diagrams for Vanadium Steels, Vanitec, England, June 1985
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At/as of Time-Temperature Diagrams 327
Quenched and Tempered Structural Steels Composition: 0.09% C - 0.94% Mn - 0.28% Si - 0.008% S - 0.010% P - 0.10% Cr - 2.54% Ni - 0.64% MO - 0.04% V - 0.07% Cu - 0.029% AI Austenitised at Q30C (1706OF)
SOURCE: Sumitomo Metal Industries Ltd., Central Research Laboratories, as published in Atlas of Continuous Cooling Transformation Diagrams for Vanadium Steels, Vanitec, England, June 1985
Quenched and Tempered Structural Steels Composition: O.OQ% C - 0.69% Mn - 0.57% Si - 0.010% S - 0.015% P - 2.00% Cr - 0.66% MO - 0.37% V - 0.18% Ti - 0.005 % B - 0.41% W Austenitised at 1030C (1886OF) for 10 min
SOURCE: Central Iron and Steel Research Institute, Beijing, China, as published in Atlas of Continuous Cooling Transformation Diagrams for Vanadium Steels, Vanitec, England, June 1986
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328 Atlas of Time-Temperature Diagrams
Quenched and Tempered Structural Steels Composition: O.OQ% C - 1.01% Mn - 0.32% Si - 0.009% S - 0.011% P - 0.52% Cr - 1.49% Ni - 0.62% MO - 0.06% V - 0.002% B - 0.25% Cu - 0.065% Al Austeniticed at Q30C (1708F)
Quenched and Tempered Structural Steels Composition: O.OQ% C - 0.82% Mn - 0.29% Si - 0.013% S - 0.019% P - 0.12% Cr - 1.85% Ni - 0.53% MO - 0.04% V - 0.01% Cu - 0.031% Al Aueteniticed at 930C (1708OF)
SOURCE: Sumitomo Metal Industries Ltd., Central Research Laboratories, ae published in Atlas of Continuous Cooling Transformation Diagrame for Vanadium Steele, Vanitec, England, June 1986
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Atlas of Time-Temperuture Diagrams 329
Quenched and Tempered Structural Steels Composition: 0.10% C - 2.00% Mn - l.OQ% Si - 0.005% S - 0.012% P - 1.80% Cr - 0.65% MO - 0.15% V Austeniticed at Q50C (1742OF) for 10 min
Quenched and Tempered Structural Steels Composition: 0.10% C - 0.76% Mn - 0.22% Si - 0.007% S - 0.012% P - 0.68% Cr - 0.85% Ni - 0.48% MO - 0.07% V - 0.001% B - 0.21% Cu Austeniticed at 950C (1742F) for 15
SOURCE: Central Iron and Steel Research Institute, Beijing, China, ae published in Atlas of Continuous Cooling Transformation Diagrams for Vanadium Steels, Vanitec, England, June 1985
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330 A t/as of Time-Temperature Diagrams
Quenched and Tempered Structural steels Composition: 0.11% C - 0.52% Mn - 0.26% Si - 0.012% S - 0.007% P - 0.66% Cr - 4.92% Ni - O.SS% MO - 0.08% V - 0.10% Cu - 0.04% Al Austenitired at 880C (1616F) for 10 min
SOURCE: Central Iron and Steel Research Institute, Beijing, China, as published in Atlas of Continuous Cooling Transformation Diagrams for Vanadium Steels, Vanitec, England, June 1985
Quenched and Tempered Structural Steels Composition: 0.11% C - 0.85% Mn - 0.81% Si - 0.009% S - 0.007% P - 0.51% Cr - 1.80% Ni - 0.48% MO - 0.08% V - 0.002% B - 0.27% Cu - 0.077% Ai Aurtenitiwd at 980C (1706OF)
SOURCE: Sumitomo Metal Industries Ltd., Central Research Laboratories, as published in Atlas of Continuous Cooling Transformation Diagrams for Vanadium Steels, Vanitec, England, June 1985
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A t/as of Time-Temperature Diagrams 331
Quenched and Tempered Structural Steels Composition: 0.11% C - 0.56% Mn - 0.28% Si - 0.005% S - 0.017% P - 1.08% Cr - 0.04% Ni - 0.81% MO - 0.22% V - O.OS% Cu - 0.01% Al Austenitired at 98OC (1796OF)
Quenched and Tempered Structural Steels Composition: 0.12% C - 0.75% Mn - 0.06% Si - 0.008% S - 0.007% P - 0.57% Cr - 2.62% Ni - 0.48% MO - 0.05% V - 0.002% B - 0.25% Cu - 0.062% Al Austenitised at 900C (1652F)
SOURCE: Sumitomo Metal Industries Ltd., Central Research Laboratories, as published in Atlas of Continuous Cooling Transformation Diagrams for Vanadium Steels, Vanitec, England, June 1985
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332 A t/as of ISme-Temperature Diagrams
Quenched and Tempered Structural Steels Composition: 0.12% C - 0.7S% Mn - 0.37% Si - 0.003% S - 0.008% P - 5.75% Cr - 0.55% MO - 0.24% V - 0.16% Ti - 0.011% B - 0.26% W Austenitised at 970C (1778oF) for 10 min
Quenched and Tempered Structural Steels Composition: 0.12% C - 0.55% Mn - 0.68% Si - 0.010% S - 0.012% P - 2.05% Cr - 0.55% MO - 0.32% V - 0.08% Ti - 0.006% B - 0.32% W Austeniticed at 10SOC (1886OF) for 10 min
SOURCE: Central Iron and Steel Research Institute, Beijing, China, as published in Atlas of Continuous Cooling Transformation Diagrams for Vanadium Steels, Vanitec, England, June 1985
-
Atlas of lime-Temperature Diagrams 333
Quenched and Tempered Structural Steels Composition: O.lS% C - 0.71% Mn - 0.56% Si - 5.43% Cr - 0.47% MO - 0.20% V - 0.16% Ti - 0.010% B - 0.19% W Aurtenitised at 1000C (1832F) for 10 min
SOURCE: Central Iron and Steel Rerearch Inrtitute, Beijing, China, ae published in Atlas of Continuous Cooling Transformation Diagrams for Vanadium Steelr, Vanitec, England, June 1985
Quenched and Tempered Structural Steels Composition: 0.13% C - 1.16% Mn - 0.31% Si - 0.017% S - 0.018% P - 0.23% Cr - 0.01% Ni - 0.27% MO - 0.05% V - 0.01% Cu - 0.010% Al Austeniticed at Q20C (1688OF)
SOURCE: Sumitomo Metal Industries Ltd., Central R.eaearch Laboratories, M published in Atlaa of Continuous Cooling Tranrformation Diagram for Vanadium Steels, Vanitec, England, June 1085
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334 A t/as of Time-Temperature Diagrams
SOURCE: Nippon Kokan KK, Technical Research Centre, Kawasaki, Japan, as published in Atlas of Continuous Cooling Transformation Diagrams for Vanadium Steels, Vanitec, England, June 1985
Quenched and Tempered Structural Steels Composition: 0.13% C - 0.60% Mn - 0.29% Si - 0.016% S - 0.010% P - 0.98% Cr - 0.01% Ni - 0.31% Mo - 0.20% V - 0.02% Cu - 0.010% Al Austeniticed at 966C (1769OF)
SOURCE: Sumitomo Metal Industries Ltd., Central Research Laboratories, as published in Atlas of Continuous Cooling Transformation Diagrams for Vanadium Steels, Vanitec, England, June 1985
Quenched and Tempered Structural Steels Composition: 0.14% C - 0.53% Mn - 0.54% Si - 0.006% S - 0.022% P - 1.43% Cr - 0.54% MO - 0.03% V - 0.006% Ti* Austenitieed at 930C (1706OF) for 10 min
* wt% TiN
-
Atlas of lime-Temperature Diagrams 335
Quenched and Tempered Structural Steels Composition: 0.15% C - 0.57% Mn - 0.28% Si - 0.019% S - 0.013% P - O.SS% Cr - 0.91% Ni - 0.61% MO - 0.30% V - 0.032% Al Austenitised (a) at Q50C (174zF) (b) at QQOOC (1814OF)
SOURCE: M.G. Gemill, Steel Strengthening Mechanisms, 1969, as published in Atlas of Continuous Cooling Transformation Diagrams for Vanadium Steels, Vanitec, England, June 1985
Quenched and Tempered Structural Steels Composition: 0.14% C - 0.50% Mn - 030% Si - 0.005% S - 0.008% P - 038% Cr - 0.03% Ni - 0.55% MO - 0.27% V - 0.01% Cu - 0.010% Al Austeniticed at 930C (1706F)
SOURCE: Sumitomo Metal Industries Ltd., Central Research Laboratories, as published in Atlas of Continuous Cooling Transformation Diagrams for Vanadium Steels, Vanitec, England, June 1985
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336 A t/as of Time-Temperature Diagrams
Quenched and Tempered Structural Steels Composition: 0.15% C - 3.06% Mn - 0.59% Si - 0.005% S - 0.020% P - 0.14% Cr - 0.04% Ni - 0.46% MO - O.OQ% V - 0.09% Cu - 0.70% W Austenitised at QOOC (1652F) for 10 min
Quenched and Tempered Structural Steels Composition: 0.15% C - 0.77% Mn - 0.20% Si - 0.011% S - 0.010% P - 1.27% Cr - 4.25% Ni - 0.45% MO - 0.10% V - 0.23% Nb Austenitised at QOOOC (1652F) for 10 min
SOURCE: Central Iron and Steel Research Institute, Beijing, China, as published in Atlas of Continuous Cooling Transformation Diagrams for Vanadium Steels, Vanitec, England, June 1985
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Atlas of Time-Temperature Diagrams 337
Quenched and Tempered Structural Steels Composition: 0.14-0.20% C - 0.60-1.00% Mn - 0.17-0.57% Si - _
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338 Atlas of Time-Temperature Diagrams
Quenched and Tempered Structural Steels Composition: 0.23% C - 0.53% Mn - 0.30% Si - 0.018% P - 1.55% Cr - 0.30% Ni - 0.29% MO - 0.21% V - 0.11% Cu Austenitised at 940% (1724OF) for 10 min
Quenched and Tempered Structural Steels Composition: 0.23% C - 0.22% Mn - 0.22% Si - 0.004% S - 0.015% P - 1.70% Cr - 3.60% Ni - 0.53% MO - 0.12% V Austenitised at QOOOC (1652F) for 10 min
SOURCE: Central Iron and Steel Research Institute, Beijing, China, as published in Atlas of Continuous Cooling Transformation Diagrams for Vanadium Steels, Vanitec, England, June 1985
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Atlas of Time-Temperature Diagrams 339
Quenched and Tempered Structural Steels Composition: 0.26% C - 0.75% Mn - 0.26% Si - 0.014% S - 0.010% P - 0.45% Cr - 0.81% Ni - 0.61% MO - 0.05% V
SOURCE: S. Mohammed, C.D. Lundin, The Effect of Welding Conditions on Transformation and Properties of the Weld HAZ of Low Alloy Steels for Use in Light Water Reactors, 63rd AWS Conference, Kansas City, April 1982, as published in Atlas of Continuous Cooling Transformation Diagrams for Vanadium Steels, Vanitec, England, June 1985
Quenched and Tempered Structural Steels Composition: 0.26% C - 1.67% Mn - 0.30% Si - 0.015% S - 0.023% P - 0.05% Cr - 0.03% Ni - 0.11% Mo - 0.06% V - 0.01% Cu - 0.013% Al Austenitised at 920C (1688F) for 20 min
SOURCE: Sumitomo Metal Industries Ltd., Central Research Laboratories, as published in Atlas of Continuous Cooling Transformation Diagrams for Vanadium Steels, Vanitec, England, June 1985
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292 A t/as of Time-Temperature Diagrams
0.40% C - 0.3% MO - 0.2% Si - 8.0% Ni - 4.0% Co Steels (MO Additions)
Composition: 039% C - 0.30% Mn - 0.20% Si - 8.0% Ni - 3.89% Co Austenitised at Acg + SOC (S4OF) for 20 min
Composition: 0.39% C - 0.29% Mn - 0.22% Si - 7.78% Ni - 0.44% Mo - 3.87% Co Austenitised at Acg + 30C (S4OF) for 20 min
Composition: 039% C - 0.28% Mn - 0.20% Si - 8.04% Ni - 1.00% MO - S.QO% Co Austeniticed at Ac3 + SO% (649) for 20
SOURCE: Witold W. Cias, Austenite Transformation Kinetics of Ferrous Alloys, Climax Molybdenum Company, Greenwich CT
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7Atlas of Time-Temperuture Diagrams 227
506 Composition: 0.14% C - 0.27% Mn - 0.01% Si - 0.005% S - 0.09% P - 9.12% Ni - 4.07% Co Grain sise: 9 Austenitised at 840C (1544F) for SO min
SOURCE: M. Economopoulos, N. Lambert, L. Habraken, Diagrammes de Transformation des Aciers Fabriques dans le Benelux, Centre National de Recherches Metallurgiques, Brussels, Belgium, 1967
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Atlas of Time-Temperuture Diagrams 227
508 Composition: 0.325% C - 0.13% Mn - 0.16% Si - 0.005% S - 0.09% P - 9.05% Ni - 4.07% Co Grain sise: lo-11 Austenitised at 790C (1454OF) for 30 min
SOURCE: M. Economopoulos, N. Lambert, L. Habraken, Diagrammes de Transformation des Aciers Fabriques dans le Benelux, Centre National de Recherches Metallurgiques, Brussels, Belgium, 1967
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Atlas of Time-Temperature Diagrams 565
9Ni-4Co Ultrahigh-Strength Steel 0.32% C - 0.13% Mn - 0.15% Si - 0.090% P - 0.005% S - 9.05% Ni - 4.07% Co
SOURCE: L.J. Habraken, M. Economopoulos, Bainitic Microstructures in Low-Carbon Alloy Steels and Their Mechanical Properties, Transformation and Hardenability in Steele, Climax Molybdenum Company, 1967, pp 69-106
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486 Atlas of Time-Temperature Diagrams
D-6ac High Strength Steel Composition: 0.45% C - 0.80% Mn - 0.25% Si - 0.55% Ni - 1.15% Cr - 1.0% MO - 0.05% V Austenitised at 9OOC (1650~)
SOURCE: Atlas of Isothermal Transformation and Cooling Transformation Diagrams, ASM, 1977
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A t/as of Time-Temperature Diagrams
HY-180 Steel Comporition: 0.1% C - 0.1% Mn - 0.05% Si - 10.0% Ni - 8.0% co - 2.0% Cr - 1.0% MO
Steel cooled from Q80C (1800OF)
Steel cooled from 131SC (2400OF)
SOURCE: T.B. Cor, AM. Rorenstein, Transformations, Microstructures, and Properties of Continuously Cooled IONi-ZCr-lMo-8Co Steel, Report 3221 (AD 872858), Naval Ship Research and Development Laboratory, Annapolis MD, July 1970
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