Metal treatment – Compositions – Heat treating
Patent
1982-12-10
1983-09-06
Stallard, W.
Metal treatment
Compositions
Heat treating
148 124, 148127, C21D 950
Patent
active
044027699
ABSTRACT:
After autogenous welding of coils of straight-chromium ferritic stainless steel, the weld area is heated to a temperature within the range of about 1325.degree. to 1515.degree. F. and water quenched from elevated temperatures to room temperature to improve the ductility of the weld area so that during subsequent cold rolling cracking of the weld area will be avoided.
REFERENCES:
patent: Re28494 (1975-07-01), Rowe
patent: 2772992 (1956-12-01), Kiefer et al.
patent: 3997374 (1976-12-01), Dill et al.
Beigay Jack M.
Lovejoy Paul T.
Allegheny Ludlum Steel Corporation
Stallard W.
Viccaro Patrick J.
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