C - Chemistry – Metallurgy – 21 – D
Patent
C - Chemistry, Metallurgy
21
D
148/34
C21D 9/46 (2006.01) C21D 8/00 (2006.01)
Patent
CA 1333990
Cold-rolled, non-microalloyed carbon manganese steel (0.04% to 0.15% C, 0.25% to 0.70% Mn) is preheated at 700° to 1000°F, heated to 1625° to 1725°F, and quenched to 650° to 750°F in a continuous process to develop minimum yield strength of 275 MPa, minimum tensile strength of 345 MPa, and 22% minimum elongation.
616829
Krauss George
Roberts Philip M.
Macrae & Co.
Signode Corporation
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