High strength non-oriented electrical steel sheet and method of

Details High strength non-oriented electrical steel sheet and method of High strength non-oriented electrical steel sheet and method of

1989-09-21

1992-01-28

Sheehan, John P.

Metal treatment

Process of modifying or maintaining internal physical...

Magnetic materials

H01F 104

Patent

active

050841122

ABSTRACT:
A high strength non-oriented electrical steel sheet with good magnetic properties having a yield strength of .gtoreq.60 kg-f/mm.sup.2 and a yield point elongation of YP-El.gtoreq.0.3% comprising, by weight percent: up to 0.04% carbon; from 2.0% to less than 4.0% silicon; from zero percent to 2.0% aluminum; up to 0.2% phosphorus, and including one or more elements selected from manganese and nickel in an amount within the range 0.3%.ltoreq.Mn+Ni<10%, with the remainder of iron and unavoidable impurities, and a method of manufacturing the steel.

REFERENCES:
patent: 4204890 (1980-05-01), Irie et al.
patent: 4666534 (1987-05-01), Miyoshi et al.
patent: 4938806 (1990-07-01), Honda et al.

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