2015年4月28日星期二

What are the characteristics of the DIN 1.2738 Tool Steel

    DIN 1.2738 Tool Steel with high hardenability, and good polishing performance, the electric spark machining properties and processing properties of dermatoglyphics. Has been pre hard, don't need to be hardened, suitable for electric spark machining and mirror polishing, good comprehensive mechanical property, its hardness can be increased again to >40HRC.
    1.2738 steel can also be used nitriding, boronizing and other chemical heat treatment, the hardness of the surface after treatment can be increased from 370 ~420HV to 1000HV, the wear resistance and corrosion resistance was significantly improved, the mold may be chrome plated. Die local damage can be used welding method to repair, welding quality is good, can be processed. In the pre-hard state to use, to prevent heat distortion.

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