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Contact SupplierWe are offering extruder screw barrel.
production scope:
screw diameter: î¦ 20- î¦ 500
maximum screw length: 10000mm
barrel inner bore diameter: î¦ 500
production classfication:
aiming at different plastic products the screw can be chosen from:
general type, pin type, barrier type, separation type, and gas-exhausting type, etc
technical parameter
depth of nitrated layer: 0.5-0.8mm
hardness of nitration: 900-1020hv
fragility of nitration: less than grade 1
surface roughness: ra 0.4um
hardness of cr-coating layer: �950hv
thickness of cr-coated layer: 0.03-0.08m
hardness of bimetallic layer: hrc55-72
depth of bimetallic layer: >2mm
we have diffirent designs of screw and barrel for extruder or unjection to meet customer's demand.
If there is any need, plese contact us freely.