Conical Twin Screw and Barrel

Short Description:


  • Min.Order Quantity: 1 Set
  • Supply Ability: 150 Set per Month
  • Port: Ningbo or Shanghai
  • Payment Terms: T/T
  • Product Detail

    Specification: Ø45/90, Ø45/100, Ø50/105, Ø51/105, Ø55/110, Ø55/120, Ø58/124, Ø60/125, Ø65/120, Ø65/132, Ø68/143, Ø70/135, Ø70/140, Ø75/150, Ø80/143, Ø80/156, Ø92/188
    The above are standard specifications, we can customize according to customers’ requirements.

    Technical parameter:
    Hardness after hardening and tempering: HB280-320
    Nitriding hardness: 950-1100HV
    Nitrided layer depth: 0.5-0.8mm
    Nitrided brittleness: Less than grade 2
    Surface roughness: Ra0.4
    Linearity of screw: 0.015mm/m
    Bimetallic layer depth: ≥3mm
    Bimetallic hardness: HRC60-72
    Hard-chrome plating hardness after nitriding: ≥950HV
    Chrome-plating layer depth: 0.025~0.10mm

    Material:
    High-quality alloy steel
    38CrMoAlA (JIS SACM645)
    9Cr18MoV

    Treatment:
    Nitriding
    Alloy powder spray welding


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