Metal treatment – Compositions – Heat treating
Patent
1983-11-10
1985-08-20
Rutledge, L. Dewayne
Metal treatment
Compositions
Heat treating
148138, 75125, 75128D, 75128W, C22C 3842
Patent
active
045362327
ABSTRACT:
Cast iron alloy preferably of about 1.6 carbon, 2 nickel, 2 molybdenum, 28 chromium, and up to 1 of an additional element, balance substantially iron characterized by a matrix substantially entirely of tempered martensite with minimal retained austenite, containing ferrite phases and primary chromium-rich carbides with substantially no secondary carbides.
REFERENCES:
patent: 3961994 (1976-06-01), Thome
patent: 4043842 (1977-08-01), Joiret
patent: 4080198 (1978-03-01), Heyer et al.
patent: 4382828 (1983-05-01), Henych
Khandros Igor Y.
Larson Hugo R.
ABEX Corporation
Rutledge L. Dewayne
Yee Deborah
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