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Alloy screw

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Alloy screw

Alloy screw

  • Specifications:
     
    Screw diameter: 15-300 mm
     
    Maximum length: 8000mm
     
    Inner diameter of barrel: 15-300 mm
     
    Maximum length: 4000 mm
     
     
     
    Different alloy materials can be selected according to different raw materials
     
     
     
    Substrate material:
     
    1)38CrMoAlA(JIS SACM645)
     
    Alloy material:
     
    1) Nickel base alloy + tungsten carbide
     
     
     
     
     
    Treatment process:
     
    heat treatment
     
    Nitriding treatment
     
    Spraying bimetallic alloy
     
    Centrifugal casting of bimetallic alloy
     
     
     
    Technical parameters:
     
    Nitriding depth: 0.50mm-0.80mm
     
    Nitriding hardness: 58-62hrc
     
    Surface roughness: RA 0.4
     
    Screw straightness: 0.015mm
     
    Double alloy depth: 3mm