Nichtorientiertes Elektrostahlblech und Verfahren zur Herstellung davon

Details

Veröffentlichungs-Nr.

EP4826005

Anmeldetag

13. Dezember 2024

Veröffentlichung

19. Juni 2025

Rechtsraum

EP

Abstract

Provided is a non-oriented electrical steel sheet including a base metal having a chemical composition containing, by mass%, C: 0.0050% or less, Si: more than 3.50% and 4.50% or less, Mn: less than 0.60%, Al: 0.25 to 0.65%, P: 0.030% or less, S: 0.0020% or less, N: 0.0040% or less, Ti: less than 0.0040%, Nb: less than 0.0040%, Zr: less than 0.0040%, V: less than 0.0040%, Cu: less than 0.200%, Ni: less than 0.500%, and Sn and/or Sb: in a total amount of 0.030% or less, with the balance being Fe and impurities; and satisfying [4.3≤Si+Al+0.5xMn≤5.0], wherein an average crystal grain size of the base metal is more than 40 µm and 140 µm or less, an integration degree of the {111} orientation is 3.0 or more, an integration degree of the {110} orientation is 0.15 or less; and a sheet thickness is 0.10 to 0.30 mm.

Anmelder

Firma

Nippon Steel Corporation

Land

🇯🇵 Japan