B50A400 electrical Steel

 

World production of silicon steel sheet accounts for about 1% of total steel.Electrical Steel is mainly used to make the cores of various transformers, motors and generators.

The main requirements for the performance of silicon steel are: ① low iron loss, which is the most important indicator of the quality of silicon steel sheet. Countries are divided into grades according to the value of iron loss, the lower the iron loss, the higher the grade. ②High magnetic induction strength (magnetic inductance) under a strong magnetic field, which reduces the volume and weight of the core of motors and transformers, saving silicon steel sheet, copper wire and insulation materials. ③Smooth surface, flat and uniform thickness, which can improve the filling factor of the core. ④Good sheet punching property, which is more important for manufacturing micro and small motors. ⑤ Good adhesion and weldability of surface insulating film can prevent corrosion and improve punchability.

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