Metal treatment – Stock – Ferrous
Patent
1992-08-26
1994-06-14
Yee, Deborah
Metal treatment
Stock
Ferrous
420 41, 420 69, C22C 3840
Patent
active
053206878
ABSTRACT:
A high purity martensitic stainless steel alloy containing only critically limited amounts of minor elements including manganese, silicon, tin, phosphorus, aluminum, antimony and arsenic has high strength and toughness and unique resistance to both reversible and irreversible embrittlement.
REFERENCES:
patent: 4850187 (1989-07-01), Siga et al.
Jaffe et al, Transactions of the ISS, "Development of Superclean 3.5 NiCrMov Low Pressure Steam Turbine Rotor Forging Steel", Feb. 1989.
ASTM-A565-est. 1991, pp. 358-360 "Standard Specification for Martensitic Stainless Steel".
Kipphut Christine M.
Pepe Joseph J.
Schwant Robin C.
General Electric Company
Lampe, Jr. Robert C.
McGinness James E.
Watts Charles T.
Yee Deborah
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