Grain-oriented silicon steel sheet and process for producing the

Details Grain-oriented silicon steel sheet and process for producing the Grain-oriented silicon steel sheet and process for producing the

1985-03-07

1986-06-17

Sheehan, John P.

Metal treatment

Compositions

Heat treating

148 315, 148111, 75123L, C04B 3500

Patent

active

045954267

ABSTRACT:
Extremely low watt-loss of W.sub.17/50 .ltoreq.0.88 w/kg is provided by the combination of extremely low carbon, silicon and nitrogen contents; a thin sheet thickness of 0.15 to 0.23 mm; a high magnetic flux density B.sub.10 .gtoreq.1.89 T; and copresence of coarse and fine (2 mm or less) grains, the distance (ND) between the fine grains controlled to 2.0 to 8.0 mm.

REFERENCES:
patent: 2242234 (1941-05-01), Carpenter
patent: 3855020 (1974-12-01), Salsgiver et al.
patent: 3954521 (1976-05-01), Malagari
patent: 3959033 (1976-05-01), Barisoni et al.
patent: 4014717 (1977-03-01), Barisoni et al.
patent: 4108694 (1978-08-01), Shiozaki et al.

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