METHOD OF PRODUCTION OF COLD-ROLLED ELECTRICAL ISOTROPIC STEEL Russian patent published in 2004 - IPC

Abstract RU 2228374 C2

FIELD: ferrous metallurgy; methods of production of cold-rolled electrical isotropic steels. SUBSTANCE: proposed method includes melting, hot rolling, pickling, cold rolling and decarburizing recrystallization annealing. Chemical composition of steel is as follows, mass-%: silicon, 0.9-2.6; phosphorus, 0.08-0.25; aluminum, no more than 1.0; carbon, no more than 0.04; manganese, no more than 1.0; sulfur, no more than 0.01; the remainder being iron. Unavoidable admixtures are not higher than AC₃, depending on content of silicon and phosphorus. EFFECT: enhanced strength characteristics and degree of isotropy by specific magnetic losses of cold-rolled electrical isotropic steel. 2 tbl, 2 ex

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RU 2 228 374 C2

Authors

Nastich V.P.

Mindlin B.I.

Kukartsev V.M.

Cheglov A.E.

Barybin V.A.

Dates

2004-05-10—Published

2002-08-12—Filed