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EP 0184891 B1 19890712 - GRAIN-ORIENTED SILICON STEEL SHEET AND PROCESS FOR PRODUCING THE SAME

Title (en)

GRAIN-ORIENTED SILICON STEEL SHEET AND PROCESS FOR PRODUCING THE SAME

Publication

EP 0184891 B1 19890712 (EN)

Application

EP 85301496 A 19850305

Priority

EP 85301496 A 19850305

Abstract (en)

[origin: EP0184891A1] Extremely low watt-loss of W17/50 </= 0.88 w/kg is provided by the combination of extremely low carbon, silicon and nitrogen contents; a thin sheet thickness of 0.15 to 0.23 mm; a high magnetic flux density B10 </= 1.89 T; and copresence of coarse and fine (2 mm or less) grains, the distance (ND) between the fine grains controlled to 2.0 to 8.0 mm.

IPC 1-7

C21D 8/12; H01F 1/16

IPC 8 full level

C21D 8/12 (2006.01); H01F 1/147 (2006.01)

CPC (source: EP)

C21D 8/1233 (2013.01); C21D 8/1266 (2013.01); H01F 1/14775 (2013.01)

Designated contracting state (EPC)

BE DE FR GB IT

DOCDB simple family (publication)

EP 0184891 A1 19860618; EP 0184891 B1 19890712; DE 3571464 D1 19890817

DOCDB simple family (application)

EP 85301496 A 19850305; DE 3571464 T 19850305