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

1977-08-16

Satterfield, Walter R.

Metal treatment

Compositions

Heat treating

75123A, 148 624, 148 14, 148 315, 148122, 204 37R, C21D 144, C22B 3500, C25D 550

Patent

active

040424251

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: 3054732 (1962-09-01), McQuade
patent: 3180767 (1965-04-01), Easton et al.
patent: 3653979 (1972-04-01), Whitton et al.
patent: 3700506 (1972-10-01), Tanaka et al.

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