B35A550 is up to 0.8% -4.8% silicon electrical steel, after hot and cold rolled steel. Usually the thickness of 1mm or less.

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

B50A250 steel low iron loss and high magnetic flux density, good punching surface of the insulating film adhesion and good weldability.

B50A270 is up to 0.8% -4.8% silicon electrical steel, after hot and cold rolled steel. Usually the thickness of 1mm or less.

B50A290 steel low iron loss and high magnetic flux density, good punching surface of the insulating film adhesion and good weldability.

B35A210 is up to 0.8% -4.8% silicon electrical steel, after hot and cold rolled steel. Usually the thickness of 1mm or less