Metal treatment – Compositions – Heat treating
Patent
1983-07-26
1985-08-06
Stallard, W.
Metal treatment
Compositions
Heat treating
75126C, 75126D, 75126E, C22C 3822, C22C 3824, C22C 3828
Patent
active
045334064
ABSTRACT:
Steel alloys for long-term exposure to neutron flux have a martensitic microstructure and contain chromium, carbon, tungsten, vanadium and preferably titanium. Activation of the steel is held to within acceptable limits for eventual surface disposal by stringently controlling the impurity levels of Ni, Mo, Cu, N, Co, Nb, Al and Mn.
REFERENCES:
patent: 2188138 (1940-01-01), Malcolm
patent: 2199096 (1940-04-01), Berglund
patent: 2253385 (1941-08-01), Mahin
patent: 2948604 (1960-08-01), McFarlane et al.
patent: 3104168 (1963-09-01), Bedell, Jr.
patent: 3201232 (1965-08-01), Thier
Stallard W.
The United States of America as represented by the United States
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