Electrical Steel B50A290 is up to 0.8% -4.8% silicon electrical steel, after hot and cold rolled steel. Usually the thickness of 1mm or less.

Electrical Steel B35A550 steel low iron loss and high magnetic flux density, good punching surface of the insulating film adhesion and good weldability.

Electrical Steel B50A230 steel low iron loss and high magnetic flux density, good punching surface of the insulating film adhesion and good weldability.