Electro magnetic steels

Details Electro magnetic steels Electro magnetic steels

1980-03-24

1982-01-05

Rutledge, L. Dewayne

Metal treatment

Process of modifying or maintaining internal physical...

Magnetic materials

148 12A, 148 12F, H01F 100

Patent

active

043092284

ABSTRACT:
A method for producing a non-silicon steel for electro magnetic applications includes the steps of producing a vacuum de-gassed steel melt containing less than 0.025% by weight of carbon, between 0.1% and 1.0% of manganese, between 0.01% and 0.15% phosphorus, not more than 0.02% of sulphur, not more than 0.007% of nitrogen, with titanium within the range of 0.05% to 0.25%, the reminder being iron, except for incidental impurities, hot rolling slab derived from the melt, using a finishing temperature within the range 900.degree. C. to 950.degree. C. and coiling the resulting hot rolled strip at a temperature of not less than 700.degree. C.

REFERENCES:
patent: 3819426 (1974-06-01), Decaro et al.
patent: 3923560 (1975-12-01), Regitz
patent: 4082576 (1978-04-01), Lake et al.
patent: 4105474 (1978-08-01), Nakasugi et al.
patent: 4141761 (1979-02-01), Abraham et al.
patent: 4170468 (1979-10-01), Regitz

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