Extruder screw barrel for PVC plastic machine

Location:China
Business Type:Manufacturer, Exporter
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  • Material: 38CrMoAlA, 42CrMo(JIS SCM440), SKD11,61
    Diameter: Φ15mm-350mm
    Application: Suit for cable , sheet , pipe , profile
    Nitride Case Depth: 0.5mm-0.8mm
    Nitride Hardness: 1000-1100HV
    Nitride Brittleness: ≤Grade One
    Surface Roughness: Ra0.4um
    Screw Straightness: 0.015mm
    Alloy Hardness: HRC68-72
    Designing: Screw structure and compression ratio can be designed according to different products & different output re quirement.
    For what plastic machine: extruder/extrusion machine


    Technology:
    1) Longer time Gas Nitriding treatment
    2) Special corrosion & abrasion alloy (bimetallic)
    3) Tungsten carbide
    4) Cobalt base alloy
    5) Stainless steel
    6) GH113 nickel based alloy


    The finished product processing requirements
    Nitriding treatment, Alloy steel, Bimetallic of the inner hole centrifugal casting, High temperature alloy;300-1400degree