Rare earth metal treated cold rolled, non-oriented silicon steel

Details Rare earth metal treated cold rolled, non-oriented silicon steel Rare earth metal treated cold rolled, non-oriented silicon steel

1975-06-19

1976-06-01

Satterfield, Walter R.

Metal treatment

Process of modifying or maintaining internal physical...

Magnetic materials

148 3155, 148110, 148112, 75123E, 75123L, 75129, H01F 104

Patent

active

039606163

ABSTRACT:
A melt for cold rolled, non-oriented silicon steel is deoxidized and thereafter treated with mischmetal or a mischmetal alloy to desulfurize the melt to 0.012% by weight sulfur or less without the formation of a polluting smoke. The deoxidation is carried out to the extent that, and the mischmetal is added in an amount such that, the melt composition, has a total cerium content of up to about 400 ppm. and preferably from about 75 to about 250 ppm.

REFERENCES:
patent: 3305354 (1967-02-01), Boni et al.
patent: 3666452 (1972-05-01), Korchynsky et al.
patent: 3867211 (1975-02-01), Easton

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