The tooth width of motor shaft is 30, and its heat treatment adopts carburizing and quenching process, The heat treatment process of the product is carburizing quenching, carburizing process is a very old process, in recent years, there is a high concentration of carburizing process.

Carburizing concentration intensifies transition:

Causes and hazards: carburizing concentration sudden transition is the surface and center of the carbon concentration change intensifies, not from high to low uniform transition, but a sudden transition.

The reason for this defect is that the effect of carburizing agent is very strong (such as the new preparation of charcoal, the old carburizing agent added very little), at the same time there are Cr, Mn, Mo and other alloy elements in the steel is to promote the formation of carbides strong, resulting in high surface concentration, low concentration in the center, and no transition layer.

This defect causes considerable internal stress in the surface and cracks or spalling phenomenon in the process of quenching or grinding.

Product specification:

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A: Automotive precision forging products.

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A: Yes, we can send you the sample to check the quality, but you need to pay all the cost of the sample.

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A: You can consult our commercial department for pricing.

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