Method of producing low expansion alloys

Details Method of producing low expansion alloys Method of producing low expansion alloys

1975-08-11

1976-05-04

Rutledge, L. Dewayne

Metal treatment

Compositions

Heat treating

148 131, 148 14, 148 38, C21D 600, C22D 110

Patent

active

039545091

ABSTRACT:
A process for producing carbidic low expansion alloy which is especially useful as a cast structure requiring close dimensional tolerances is comprised of about 21 to about 55% nickel, up to about 18% cobalt, from about 0.3 to about 2.5% carbon, up to about 3% chromium, from about 0.2 to about 1.2% vanadium, up to about 3% molybdenum, up to about 2% zirconium, niobium and tungsten, and the balance essentially iron, with the provisos:

REFERENCES:
patent: 1106207 (1941-08-01), Guillaume
patent: 1454473 (1923-05-01), Guillaume
patent: 2266481 (1941-12-01), Talbot
patent: 2610912 (1952-09-01), Millis
patent: 3488186 (1970-01-01), Decker et al.
patent: 3516824 (1970-06-01), Gottlieb et al.
patent: 3532491 (1970-10-01), Floreen et al.

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