Process for producing nonoriented silicon sheet steel having exc

Details Process for producing nonoriented silicon sheet steel having exc Process for producing nonoriented silicon sheet steel having exc

1976-04-15

1977-09-06

Satterfield, Walter A.

Metal treatment

Process of modifying or maintaining internal physical...

Magnetic materials

148 3155, 148112, 75123L, H01F 104

Patent

active

040466027

ABSTRACT:
A process for producing a fully processed nonoriented silicon sheet steel having excellent magnetic properties in the rolling direction wherein a steel containing 2.0 to 3.5% silicon and 0.30 to 0.45% aluminum is hot rolled to hot band gage, pickled, and cold rolled with a two-step cold roll with an intermediate anneal such that the second cold roll effects a thickness reduction to 50 to 60%. The cold rolled steel is then decarburized annealed and final annealed according to conventional practices.

REFERENCES:
patent: 3203839 (1965-08-01), Takahashi
patent: 3764407 (1973-10-01), Hirano et al.
patent: 3770517 (1973-11-01), Gray et al.
patent: 3834952 (1974-09-01), Matsushita et al.

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