ASTM A36 versus ASTM A572 GR50
May 27, 2009 · You are just concentrating on mechanicals I think. An ASTM specification contains a whole host of specifications other than the mechanicals. Chemistry for example C 0.26, Cu 0.2, Mn 0.8 - 1.2, Si 0.40, P 0.04 max, S 0.05 max for A36, C 0.23, Mn 1.35, Si 0.4, V 0.01-0.05, Cb 0.005-0.05, P 0.04, S 0.05 for A572 gr 50. Some specs specify the furnace method, some specify the heat treat.
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