Cissco Trading Co., Ltd.
Main products:PP PET strapping winder,PP PET strapping band extrusion line,plastic pipe/extrusion line,XPS co2 foam Board Extrusion line,Pelletizing line
Contact Us
  • Contact Person : Mr. liu louies
  • Company Name : Cissco Trading Co., Ltd.
  • Tel : 0086-21-38726828
  • Fax : 0086-21-38726390
  • Address : Shanghai,shanghai,30B, No.58, New Jinqiao Road, Pudong District
  • Country/Region : China
  • Zip : 201206

Single Screw and Barrel, Twin Screw and Barrel

Single Screw and Barrel, Twin Screw and Barrel
Product Detailed
Screw and Barrel 1.38 CrMoALA Material 2.Nitriding Depth:0.5~0.7mm 3.High Quliaty, precision and rigidity

1. We can manufacture all types of screws and barrels according to clients' requirement.


screw diameter:Φ20-Φ500mmMaximum screw length:10000mmBarrel inner bore diameter:Φ500mm

2.Technology:nitriding treatment ,alloy coating spraying, heat-treatment applied

3. Technical parameter:


Material38CrMoAIA,42CrMo,alloy powder
Nitride depth0.7mm
Surface hardnessHV950 - HV1,020
Fragility of nitritionless than grade 1
Screw straight tolerance0.015 mm/m
Surface roughnessRa 0.4μm
Linearity of the screw0.015mm
Depth of double alloys > 2ram
Bimetallic layer depth3mm

Single Screw and Barrel, Twin Screw and Barrel

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