Low expansion alloys

Metal treatment – Compositions – Heat treating

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75122, 75123K, 75123J, 75128B, 75128V, 75128W, C22C 3810, C22C 3812, C22C 3808, C22C 3852

Patent

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039402959

ABSTRACT:
A 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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