SHEETS OF ISOTROPIC ELECTROTECHNICAL STEEL AND METHOD FOR THEIR MANUFACTURING Russian patent published in 1997 - IPC

Abstract RU 2092605 C1

FIELD: manufacturing of sheets of isotropic electrotechnical steel; may be used as material for strands of electrochemical machines and devices. SUBSTANCE: sheet is manufactured of isotropic electrotechnical steel which comprises, mas.%: carbon, less than 0.02; silicium, 1.0-3.5; manganese, less than 1.0; phosphorous, less than 0.1; sulfur, less than 0.01; nitrogen, less that 0.008; aluminium, less than 0.7; nickel, 0.05-1.0; copper, 0.02-0.5; tin and/or antimony, 0.02-0.2; ferrum, the balance. Four variants for choice of steel composition and six variants for choice of procedure for manufacturing of steel sheets are also proposed here. EFFECT: improved magnetic properties, decreased losses. 17 cl, 20 tbl

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RU 2 092 605 C1

Authors

Bjung Kjun Bae[Kr]

Sang Jun Cha[Kr]

Jong Su Vu[Kr]

Jong Kjun Kim[Kr]

Jong Ku Kim[Kr]

Dates

1997-10-10Published

1992-10-22Filed