Patent ID: 6340399
Filing Date: 2002-01-22
Classification: C21D,C22C,H01F,H02K,Y02P

Abstract:
A non-oriented electrical steel sheet of 0.1 to 0.4 mm in thickness with the following chemical composition and characteristics:the chemical composition on a mass-% basis: C: 0.01% or less, Si: 2.5% or less, Mn: 2% or less, Al: 1 to 5%, Si+Al+0.5Ã—Mn: 2.5 to 5%, Sb: 0.3% or less, Sn: 0.3% or less, B: 0.01% or less, the balance: Fe and impurities, the characteristics: Average grain diameter: 50 to 180 &mgr;m, and Vickers hardness: 130 to 210.