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        Home >>PRODUCTS >>SCREW BARREL
        Conical twin screw barrel

        Steel Material38CrMoALA,  42CrMo,  SKD61,  SKD11,  DC53 etc.image.png
        Heat treatmentThemorefining,  Tempering
        Surface treatmentPlasma nitriding,  Chrome coating,  PTA/HVOF
        Specification45/110, 65/132, 80/156, 92/188 etc.


        For nitrided layer
        Surface hardness58-62 HRC
        Layer thickness0.5--0.8 mm
        Nitriding period96 hours


        For Bimetallic layer
        Hardness56-68 HRC
        Thickness2--4 mm
        Alloy optionalNi-based alloy, Tungsten alloy,  Co-Based alloy


         
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