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Oriented silicon steel cold rolled coil is mainly used to manufacture transformer core. The magnetic properties of oriented silicon steel are strongly directional and have superior characteristics of high permeability and low loss in the easily magnetized rolling direction. The iron loss of the oriented steel strip in the rolling direction is only 1/3 of the transverse, the permeability ratio is 6:1, the iron loss is about 1/2 of the hot rolled strip, and the permeability is 2.5 times of the latter. The common thickness of cold rolled coil of oriented silicon steel is 0.20, 0.30, 0.35, 0.50mm, and the silicon content is generally high |
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