Sell PE Screw Barrel

Description

Screw diameter  :*4mm***0****0mm
L/D = ****0
Surface Roughness :Ra0.4um
Linearity of the screw:≤0.**5mm
Linear axis limit:≤0.*2mm
Hardness after Hardening & Tempering: HB******0
Fragility of Nitration:≤Two grade
 
 
 
Treatment:
Nitriding treatment(>**0 Hours)
Depth of Nitrided Layer: 0.**0.8 mm
Hardness of Nitrided Layer: >**0Hv
Hard Chrome Plating treatment:
Thickness of Hard Chrome Plating Layer: 0.***0.*8mm
Hardness of Hard Chrome Plating Layer:≥**0HV
Nickel alloy plating.treatment:
Bimetallic Barrel Centrifugal Casting (Inlay Alloy)
Bimetallic Screw: Plasma Alloy Coating Spraying
Depth of Bimetallic Layer: >2mm
Hardness of Bimetallic Layer: HRC*5°**5°
 
Bimetallic Alloy level:  
Level A - containing Tungsten of *0%
Level B - containing tungsten of *5%
Level C - containing tungsten of 9.5%