Fine-grained martensitic stainless steel and method thereof

Details Fine-grained martensitic stainless steel and method thereof Fine-grained martensitic stainless steel and method thereof

C - Chemistry, Metallurgy

22

C

C22C 38/40 (2006.01) C21D 8/00 (2006.01) C22C 30/00 (2006.01) C22C 38/42 (2006.01) C22C 38/44 (2006.01) C22C 38/46 (2006.01) C22C 38/50 (2006.01) C22C 38/52 (2006.01)

Patent

CA 2515219

A martensitic alloy in which the ASTM grain size number is at least 5, including (wt. %) up to about 0.5% C, at least about 5% Cr, at least about 0.5% Ni, up to about 15% Co, up to about 8% Cu, up to about 8% Mn, up to about 4% Si, up to about 6% (Mo + W), up to about 1.5% Ti, up to about 3% V, up to about 0.5% Al, and at least about 40% Fe.

L'invention concerne un alliage martensitique dans lequel le numéro granulométrique ASTM est au moins 5, comprenant ( % en poids) jusqu'à environ 0,5 % de C, au moins environ 5 % de Cr, au moins environ 0,5 % de Ni, jusqu'à environ 15 % de Co, jusqu'à environ 8 % de Cu, jusqu'à environ 8 % de Mn, jusqu'à environ 4 % de Si, jusqu'à environ 6 % de (Mo + W), jusqu'à environ 1,5 % de Ti, jusqu'à environ 3 % de V, jusqu'à environ 0,5 % de Al et au moins environ 40 % de Fe.

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