Price:Negotiable
Brand:HEYI
Quantity:1000

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based Material: 38CrMoAlA, SKD61 etc.
Treatment: Nitriding,Bimetallic spraying
Depth of Nitrated Layer: 0.5 - 0.8 mm
Hardness: 58 - 72 HRC
Fragility of nitration: Less than grade1
Surface roughness: Ra 0.4um
Thickness of Bimetallic layer: 2 - 4 mm

Feature of screw barrel :
1) high temperature, high temperature deformation;2) wear resistance, long life;3) resistant to corrosion, corrosive materials;4) high intensity, which can withstand high torque, high speed;5) has a good machinability;