Heat resistant nickel base alloy excellent in workability and hi

Details Heat resistant nickel base alloy excellent in workability and hi Heat resistant nickel base alloy excellent in workability and hi

1982-02-18

1984-10-02

Dean, R.

Alloys or metallic compositions

Nickel base

Chromium containing

C22C 1905

Patent

active

044747330

ABSTRACT:
A heat resistant nickel base alloy which is excellent in not only hot and cold workability but also high temperature strength properties and which also possesses satisfactory oxidation resistance. The nickel base alloy consists essentially of 0.001-0.15 percent carbon, 0.0005-0.05 percent calcium, 20.0-126.0 percent chromium, 4.7-9.4 percent cobalt, 5.0-16.0 percent molybdenum, 0.5-4.0 percent tungsten, with the total of molybdenum plus tungsten being from 9.0 to 16.5 percent, and the balance nickel and inevitable impurities. The alloy may further contain one selected from the group consisting of (1) 0.3-1.5 percent aluminum and 0.1-1.0 percent titanium, (2) 0.001-0.30 percent at least one of yttrium and rare earth elements, and (3) 0.01-1.0 percent at least one of niobium, vanadium and tantalum, whereby the aforementioned characteristics are further enhanced.

REFERENCES:
patent: 4227925 (1980-10-01), Hosoi et al.

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