METHOD OF MAKING ISOTROPIC ELECTRICAL-SHEET STEEL Russian patent published in 1994 - IPC

Abstract RU 2020164 C1

FIELD: manufacturing transformer cores. SUBSTANCE: isotropic electrical-sheet steel is obtained in the form of thin-sheet workpiece by hardening from melt and using two rolls. The hot thin-sheet material is rolled into coil to be then cooled in the air. Then the sheet is cold-rolled followed by high-temperature firing in vacuum. EFFECT: enhanced efficiency of the method.

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RU 2 020 164 C1

Authors

Мalinina R.I.

Аnisimova М.V.

Labed L.I.

Рoljak Е.I.

Nuzhdin G.А.

Dates

1994-09-30—Published

1991-04-03—Filed