Cobalt superalloy

Details Cobalt superalloy Cobalt superalloy

1981-03-05

1983-11-15

Dean, R.

Alloys or metallic compositions

Containing over 50 per cent metal but no base metal

Iron containing

148442, 420582, 420586, C22C 3000

Patent

active

044155328

ABSTRACT:
Disclosed is a cobalt-base superalloy containing about 32% cobalt, 8% nickel, 26.5% chromium, 2.5% tungsten, 5% niobium, about 1% each manganese and silicon, about 0.4% carbon, and the balance about 23% iron plus incidental impurities and modifiers normally found in alloys of this class. The alloy is readily processed in the form of wrought products, castings, metal powder and all forms of welding and hardfacing materials. The outstanding characteristics of the new alloy include the resistance to cavitation erosion and galling, low cost and minimal use of strategic metals.

REFERENCES:
patent: 2974037 (1961-03-01), Thielemann

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