Gnee Steel (Tianjin) Co., Ltd. is one of the most reliable manufacturers and suppliers of cold rolled grain oriented electrical silicon steel in China. Welcome to wholesale customized cold rolled grain oriented electrical silicon steel at low price from our factory. If you have any enquiry about free sample and cheap products, please feel free to email us.
GNEE is pleased to offer you high quality silicon steel, we are one of the leading steel manufacturers in China, we promise our customers reliable quality, frequent delivery and excellent after-sales service.
| Product Name | Silicon Steel coil |
| Type: | oriented Silicon Steel |
|---|---|
| Standard: | GB, AISI, ASTM |
| Technique: | Cold Rolled |
| Shape: | coil and sheet |
| Package: | Standard Seaworth Packing |
|
Thickness |
0.2- 0.8 mm |
|
Width |
900-1230 mm |
|
Origin |
China |
The silicon content affects the performance of silicon steel sheets. Silicon is a good deoxidizer for steel. It combines with oxygen to convert oxygen into stable SiO2 that is not reduced by carbon, avoiding iron lattice distortion due to oxygen atom doping. After silicon becomes a solid solution in α-iron, the resistivity increases sharply, and at the same time it helps to separate harmful impurities carbon.
Therefore, generally adding silicon to iron containing impurities can increase the magnetic permeability and reduce coercive force and iron loss. However, the increase in silicon content will make the material hard and brittle, and the thermal conductivity and toughness will decrease, which is detrimental to heat dissipation and mechanical processing. , so the silicon content of general silicon steel sheets does not exceed 4.5%.
Carbon, sulfur, and oxygen are considered to be the three hazards in silicon steel sheets. These elements will increase the coercive force of soft magnetic materials and increase the hysteresis loss of silicon steel sheets. In addition, too much nitrogen will also hinder the growth of crystal grains, resulting in increased hysteresis loss and coercive force. Silicon steel sheets containing too much aluminum (more than 0.5%) are too brittle and difficult to process. Therefore, these impurity elements that have adverse effects on silicon steel sheets should be eliminated.
Cold rolled grain oriented steel, often abbreviated to CRGO, is used in the cores of power and distribution transformers.
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