Process of pretreating cold-rolled steel sheet for annealing

Details Process of pretreating cold-rolled steel sheet for annealing Process of pretreating cold-rolled steel sheet for annealing

1975-05-19

1980-06-03

Rutledge, L. Dewayne

Metal treatment

Compositions

Heat treating

148 18, 148 27, 148 315, 148113, C23C 300

Patent

active

042060044

ABSTRACT:
A pretreatment of cold-rolled steel sheet for annealing so as to suppress graphite formation on the surface thereof and nitrogenization during the annealing for recrystallization, by causing an effective amount of sulfur, aluminum, tin, arsenic, lead, antimony, bismuth, selenium, and/or tellurium to exist on the steel sheet surface.

REFERENCES:
patent: 2828233 (1958-03-01), Langworthy
patent: 3180767 (1965-04-01), Easton et al.
patent: 3540948 (1970-11-01), Benford et al.
patent: 3653979 (1972-04-01), Whitton et al.
patent: 3700506 (1972-10-01), Tanaka et al.
patent: 3819427 (1974-06-01), Baesch

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