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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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