Lower-cost, ultra-high-strength, high-toughness steel

Details Lower-cost, ultra-high-strength, high-toughness steel Lower-cost, ultra-high-strength, high-toughness steel

C - Chemistry, Metallurgy

21

D

C21D 6/00 (2006.01) C21D 6/02 (2006.01) C21D 6/04 (2006.01) C22C 38/10 (2006.01) C22C 38/12 (2006.01)

Patent

CA 2715998

A non-stainless steel alloy includes, in combination by weight, about 0.20% to about 0.33% carbon, about 4.0% to about 8.0% cobalt, about 7.0 to about 11.0 % nickel, about 0.8% to about 3.0% chromium, about 0.5% to about 2.5% molybdenum, about 0.5% to about 5.9% tungsten, about 0.05% to about 0.20% vanadium, and up to about 0.02% titanium, the balance essentially iron and incidental elements and impurities.

L'invention porte sur un alliage d'acier non inoxydable qui comprend, en % du mélange en poids, environ 0,20 % à environ 0,33 % de carbone, environ 4,0 % à environ 8,0 % de cobalt, environ 7,0 % à environ 11,0 % de nickel, environ 0,8 % à environ 3,0 % de chrome, environ 0,5 % à environ 2,5 % de molybdène, environ 0,5 % à environ 5,9 % de tungstène, environ 0,05 % à environ 0,20 % de vanadium et jusqu'à environ 0,02 % de titane, le reste étant essentiellement du fer et des éléments et impuretés secondaires.

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