Martensitic stainless steel

C - Chemistry – Metallurgy – 22 – C

Patent

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Details

C22C 38/20 (2006.01) A63B 53/04 (2006.01) C22C 38/38 (2006.01) C22C 38/54 (2006.01)

Patent

CA 2055154

A substantially martensitic stainless steel as cast having good castability, ductility and capability of being hardened to a wide range of hardness, the steel consisting essentially of, in weight percent, up to about 0.08 % carbon, about 1.0 to about 4.0 % manganese, about 13.0 to about 17.0 % chromium, about 1.5 to about 4.0 % copper, up to about 0.12 % nitrogen, less than about 1.0 % silicon, less than about 1.0 % molybdenum, less than 1.0 % nickel, less than about 0.03 % phosphorus, less than about 0.5 % sulfur, up to about 0.005 % boron, up to 0.5 % niobium, vanadium, titanium and / or zirconium and balance essentially iron. The steels have particular utility in the production of cast golf clubs, forged golf clubs, cutlery, boat propellers and other cast, forged and wrought products, including free machining materials.

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