Metal treatment – Stock – Ferrous
Patent
1987-07-01
1988-12-27
Yee, Deborah
Metal treatment
Stock
Ferrous
148325, 417DIG1, C22C 3820
Patent
active
047938757
ABSTRACT:
Disclosed is an abrasion corrosion resistant casting alloy which is readily machinable and of an approximately 50/50 mixture of austenite and ferrite obtained by uniquely heat treating a new thirty percent (30%) chromium, five percent (5%) manganese, three percent (3%) silicon, two percent (2%) molybdenum, one and one half percent (11/2%) copper plus additions of titanium, vanadium, carbon and nitrogen.
REFERENCES:
patent: 3876475 (1975-04-01), Ramquist
patent: 3926685 (1975-12-01), Gueussier et al.
Ingersoll-Rand Company
Vliet Walter C.
Yee Deborah
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