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Title: Heat resistant nickel base alloy excellent in workability and high temperature strength properties

Patent ·
OSTI ID:6037333

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) 0.001-1.0 percent at least one of niobium, vanadium and tantalum, whereby the aforementioned characteristics are further enhanced.

Assignee:
Mitsubishi Jukogyo Kabushiki Kaisha (Japan); Mitsubishi Kinzoku Kabushiki Kaisha (Japan)
Patent Number(s):
US 4474733
OSTI ID:
6037333
Resource Relation:
Patent Priority Date: Priority date 18 Feb 1982, Japan; Other Information: PAT-APPL-350048
Country of Publication:
United States
Language:
English