Age-hardenable iron-base alloy

Details Age-hardenable iron-base alloy Age-hardenable iron-base alloy

C - Chemistry, Metallurgy

22

C

75/102

C22C 38/44 (2006.01)

Patent

CA 1118618

AGE HARDENABLE WELD DEPOSIT ABSTRACT OF THE DISCLOSURE An age hardenable iron-base alloy weld deposit consisting essentially of, in weight percent, Carbon 0.2 maximum Manganese 1.3 maximum Silicon 1.0 maximum Phosphorus 0.02 maximum Sulfur 0.02 maximum Chromium 3 to 10 Molybdenum 9 to 13.5 Cobalt 15 to 25 Nickel 0.3 maximum Iron balance wherein the ratio of (% chromium plus % molybdenum) to (% cobalt plus % nickel) is between about 0.75 and about 1.10. The weld deposit has superior gelling resistance and hot hardness, which are useful properties in hot extrusion dies and hot shearing blades which may reach temperatures as high as 1450°F in service.

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