Steel Forming and Heat Treating Handbook - Antonio Gorni On Line

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Gorni - Austenite Solubilization Temperature Steel Forming and Heat Treating Handbook 16 0 T ( C) d B log 10 A ( a A ) m ( a B ) n 273 Notation: AmBn: Precipitate considered for calculation Td: Solubilization temperature [°C] ax: Alloy content [weight %] A, B: Constants of the solubility product, given in the table at the topic Austenite Solubilization Products.
Gorni Steel Forming and Heat Treating Handbook 17 - Austenite Transformation Temperatures: Ar3 and Ar1 . Blás Ar 903 328 C 102 Mn 116 Nb 0. 909 v 3 Notation: Ar3: Ferrite Start Temperature [°C] Alloy Amount: [weight %] v: Cooling Rate [°C/s] Observations: - This formula was determined using temperature data got from samples cooled directly from hot rolling experiments. Thus it includes the effects of hot forming over austenite decomposition. - Useful range: 0.024-0.068% C, 0.27-0.39% Mn, 0.004-0.054% Al, 0.000-0.094% Nb, 0.0019-0.0072% N, 1.0- 35°C/s - r = 0.934; Standard Error of Deviation = 5°C Source: BLÁS, J.G. et al.: Influência da Composição Química e da Velocidade de Resfriamento sobre o Ponto Ar3 em Aços de Baixo C Microligados ao Nb. In: 44° Congresso Anual da Associação Brasileira de Metais, ABM, São Paulo, vol. 1, Outubro 1989, p 11-29. . Choquet Ar3 902 527 C 62 Mn 60 Si Notation: Ar3: Ferrite Start Temperature [°C] Alloy Amount: [weight %]
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Gorni 1075 661.39 648.83 632.09 615
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Gorni n: Number of Points of Data S
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