Method of producing grain oriented silicon steel sheets having i

Details Method of producing grain oriented silicon steel sheets having i Method of producing grain oriented silicon steel sheets having i

1991-10-03

1992-09-01

Wyszomierski, George

Metal treatment

Process of modifying or maintaining internal physical...

Magnetic materials

148112, 72 40, B21B 4506

Patent

active

051435616

ABSTRACT:
This invention effectively smoothens the steel sheet surface after final cold rolling by removing oxidation scale produced on the steel sheet surface in the production steps of grain oriented silicon steel sheets, particularly after intermediate annealing and at a stage before the final cold rolling, or further forming grooves onto the steel sheet surface along the rolling direction, and hence can utilize high speed tandem rolling for the final cold rolling, whereby the production of grain oriented silicon steel sheets having excellent magnetic properties is realized in a high productivity.

REFERENCES:
patent: 3947296 (1976-03-01), Kumazawa
patent: 4123298 (1978-10-01), Kohler et al.
patent: 4773948 (1988-09-01), Nakaoka et al.
patent: 4872245 (1989-10-01), Kawasaki et al.
patent: 5028279 (1991-07-01), Wada et al.

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