Global Patent Index - EP 0057983 A2

EP 0057983 A2 19820818 - Method for producing coated grain oriented silicon steel.

Title (en)

Method for producing coated grain oriented silicon steel.

Title (de)

Verfahren zur Herstellung von beschichtetem kornorientierten Siliziumstahl.

Title (fr)

Procédé de fabrication d'acier au silicium à grains orientés revêtus.

Publication

EP 0057983 A2 19820818 (EN)

Application

EP 82300236 A 19820118

Priority

US 23234181 A 19810206

Abstract (en)

A method for coating grain oriented silicon steel to improve its magnetic properties; the method including the steps of preparing a melt of said silicon steel, casting said steel, hot rolling said steel, cold rolling said steel and decarburizing said steel, and being characterised by applying to the surface of said steel a coating of Mg(OH)2 and SiO2 and thereafter final texture annealing said steel in the conventional manner with said coating thereon.

IPC 1-7

C25D 9/10; C25D 5/50; C21D 8/12

IPC 8 full level

C21D 1/70 (2006.01); C21D 8/12 (2006.01); C21D 9/46 (2006.01); C22C 38/02 (2006.01); C23C 22/00 (2006.01); C25D 5/50 (2006.01); C25D 9/10 (2006.01)

CPC (source: EP)

C21D 1/70 (2013.01); C21D 8/1283 (2013.01); C25D 5/50 (2013.01); C25D 9/10 (2013.01); C21D 8/1272 (2013.01)

Designated contracting state (EPC)

BE DE FR GB IT SE

DOCDB simple family (publication)

EP 0057983 A2 19820818; EP 0057983 A3 19830112; CA 1197757 A 19851210; JP S57145935 A 19820909; KR 830009247 A 19831219; PL 234964 A1 19820913; RO 84030 A 19840512; RO 84030 B 19840630

DOCDB simple family (application)

EP 82300236 A 19820118; CA 393646 A 19820106; JP 1471282 A 19820201; KR 820000200 A 19820119; PL 23496482 A 19820205; RO 10644582 A 19820126