High toughness steel

Details High toughness steel High toughness steel

C - Chemistry, Metallurgy

22

C

75/117

C22C 38/14 (2006.01) C22C 38/38 (2006.01) C22C 38/50 (2006.01)

Patent

CA 1267303

Abstract of the Disclosure: A steel composition particularly suitable for the manufacture of electric resistance welded pipes for use in most hostile environments and able to display excellent sour resistance and high toughness. The aluminium content of the steel composition is reduced to not more than 0.005%, whilst from 0.006 to 0.2% in total of one or both of titanium and zirconium is used instead for steel containing 0.0005 to 0.008% Ca. The steel, apart from iron and unavoidable impurities further contains: 0.01 to 0.35% C 0.02 to 0.5% Si 0.1 to 1.8% Mn not more than 0.015% P, and not more than 0.003% S Cu, Ni, Cr, Mo, Nb and V may be added in appropriate amounts to enhance the steel performance.

495707

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