CRGO Cold Rolled Grain Oriented Electrical Steel

Henan GNEE Electric Co., Ltd. is one of the leading manufacturers and suppliers of crgo cold rolled grain oriented electrical steel in China, also supports customized service with low price. Welcome to buy discount crgo cold rolled grain oriented electrical steel for sale here from our factory. If you have any enquiry about pricelist, please feel free to email us.

Grain-oriented electrical steel usually has a silicon level of 3% (Si:11Fe). It is processed in such a way that the optimal properties are developed in the rolling direction, due to a tight control (proposed by Norman P. Goss) of the crystal orientation relative to the sheet. The magnetic flux density is increased by 30% in the coil rolling direction, although its magnetic saturation is decreased by 5%. It is used for the cores of power and distribution transformers, cold-rolled grain-oriented steels is often abbreviated to CRGO.

Cold Rolled Grain Oriented Steels

Excellent magnetic properties: cold-rolled grain-oriented electrical steels has the characteristics of high saturation magnetic induction strength and low hysteresis loop loss. This makes it widely used in electric power equipment such as motors, transformers and generators.

Excellent electrical performance: This steel has low eddy current loss and high resistivity, which can reduce energy loss and heat generation, and improve the efficiency of the equipment.

Highly consistent orientation: cold-rolled grain orientation Electrical steels in the production process by controlling the orientation of the grain distribution, so that the steel has a high degree of consistent orientation. This consistency improves the stability and reliability of the product.

Good processing performance: Cold-rolled grain-oriented electrical steels has good cold processing performance, can be cold rolling, cutting and stamping processing operations, easy to manufacture a variety of shapes and sizes of motor and transformer chips.

CRGO grade steel mainly finds applications as core material for power transformers and distribution transformers. This can be explained as below

• High magnetic permeability leads to low excitation currents and lower inductions.
• Low hysteresis and eddy current losses.
• Excellent lamination factor leads to better and compact designs and hence low material required.
• High knee saturation characteristics.
• Very low level of magnetostriction leads to noise reduction.
• Enhances ease of winding and improves productivity.

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