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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
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