Method for the continuous annealing of steel strips

Details Method for the continuous annealing of steel strips Method for the continuous annealing of steel strips

1985-07-12

1986-10-21

Brody, Christopher W.

Metal treatment

Process of modifying or maintaining internal physical...

Chemical-heat removing or burning of metal

148156, 2041415, 204145R, C21D 118

Patent

active

046183795

ABSTRACT:
This invention relates to the continuous annealing of moving steel strips. A rapid quenching between the annealing treatment and the overaging process is effected in an electrolytic pickling bath, in which the steel strip acts first as a cathode and thereafter as an anode. The current density applied to the steel strip acting as a cathode in the electrolytic pickling bath is regulated so as to control the amount of hydrogen developed on the strip surface and, concurrently, to control the quenching speed of said steel strip.

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patent: 3877684 (1975-04-01), Kurihara et al.
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patent: 4242154 (1980-12-01), Pilling
patent: 4363709 (1982-12-01), Zaremski
patent: 4389254 (1983-06-01), Tusset et al.
patent: 4395022 (1983-07-01), Paulus et al.
patent: 4417720 (1983-11-01), Paulus
patent: 4422623 (1983-12-01), Kuroda et al.

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