Blog

I. Basic Concept of Low-Grade Silicon Steel

As the name suggests, low-grade silicon steel refers to silicon steel products with low silicon content. Silicon steel is a special type of electrical steel mainly used to fabricate cores for electrical equipment such as motors and transformers. The silicon content of low-grade silicon steel generally ranges from 1% to 2.5%. Compared with high-grade silicon steel, it delivers lower magnetic permeability and electrical resistivity yet comes with a relatively lower cost.

II. Applications and Grade Selection of Low-Grade Silicon Steel

Thanks to its cost advantage, low-grade silicon steel is widely adopted in scenarios with moderate magnetic performance requirements, including small motors and household appliances. The following factors shall be taken into account during material selection:

1. Magnetic performance: Select appropriate magnetic permeability and core loss values in accordance with equipment operating demands
2. Cost control: Prioritize economic efficiency on the premise that performance requirements are fully met
3. Machinability: Low-grade silicon steel generally features superior stamping and cutting performance

III. Precautions and Maintenance for Usage

The following guidelines should be followed when applying low-grade silicon steel:

1. Avoid overload operation: Low-grade silicon steel has a low magnetic saturation point, so equipment overload must be prevented
2. Regular inspection: Monitor temperature rise of the core to avoid performance degradation caused by overheating
3. Storage conditions: Keep the storage area dry to prevent rust from impairing magnetic properties