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Salt bath nitriding

Material: SUM24L
Surface hardness > 450HV
The composite layer > 8um
Nitrification of the steel surface infiltrates to form nitrogen-rich catalytic nitriding layer of chemical treatment, also known as nitridation, nitridation, salt bath nitridation.

Nitrogen seeps into the steel surface to form a layer of nitrogen-rich chemical treatment hardening layer, called nitridation, also known as nitridation, nitridation, salt bath nitridation.

Nitriding heat treatment of steel has the following advantages:

1. Nitrided steel carburized parts have high surface hardness and wear resistance, the surface hardness can reach 950-1200hv, equivalent to hrc65-72. And the high hardness and high wear resistance can be keep in the 560-600 ℃ degradation, and has good thermal stability;

2. Carburized steel has high fatigue strength ratio and low notch sensitivity due to the formation of nitride on the surface with large residual stress due to volume expansion;

The dense nitride layer is a nitride film with good corrosion resistance and occlusion resistance;

4. Due to the low nitriding temperature, no longer heat treatment nitriding, so carburizing treatment;


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