C - Chemistry – Metallurgy – 22 – C
Patent
C - Chemistry, Metallurgy
22
C
75/104
C22C 38/52 (2006.01) B23K 35/30 (2006.01) C22C 19/00 (2006.01) C22C 19/07 (2006.01)
Patent
CA 1134181
Abstract A wear-resistant alloy, which excluding impurities, has the following composition: (a) about 50% to 70% of cobalt, nickel and iron; (b) 27 to 35% of chromium; (c) 5 to 15% of molybdenum and/or tungsten; (d) 0.3 to 2.25% of carbon and/or boron; (e) 0 to 3% of silicon and/or manganese; (f) 0 to 5% of one or more of titanium, hafnium, zirconium, vanadium, niobium, and tantalum; (g) 0 to 5% of copper, and (h) 0 to 5% of one or more of the following rare earths: lanthanum, cerium, yttrium, and thorium. The cobalt is the range 25 to 40%, and the nickel in the range 4 to 12%. There is from 0 to 7.5% of constituents (f), (g) and (h). the iron is present in a quantity not exceeding 25%. If there is 2% or more of carbon and/or boron, there is more than 30% chromium. (All percentages by weight.) A welding or surfacing consumable which (ignoring the effect of dilution by substrate) is capable of depositing such an alloy also be made.
336761
Crook Paul
Cabot Stellite Europe Limited
Ridout & Maybee Llp
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