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/Twin Screw and Barrel

Single/Twin Screw and Barrel
Product Detailed
1. good quality, price and service. 2. help to servey and design. 3. nitrogen treatment or bimetal treatment

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/Twin Screw and Barrel

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