- Contact Person : Mr. Chen Micheal
- Company Name : Zhoushan Zhuorong Plastic Machinery Co., Ltd.
- Tel : 86-580-8083566
- Fax : 86-580-8083565
- Address : Zhejiang,Zhoushan,No.58 , SanJiang Avenue, Ma Ao , Dinghai, Zhoushan
- Country/Region : China
- Zip : 316015
Bimetallic extrusion screw barrel vented screws
Bimetallic extrusion screw barrel vented screws
Bimetallic screw and barrel for extruder screw extruder screw and barrel for plastic extrusion machinery
size: screw diameter:Φ20-Φ500mm
Maximum screw length:10000mm
Barrel inner bore diameter:Φ500mm
Material: 38CrMoAlA
40CrMo
42CrMo
high quality alloy steel
Technology: nitriding treatment,
alloy coating spraying,
heating treatment,
screw fully hardening,
Depth of nitrition layer: 0.5-0.8mm
Nitriding treatment, surface hardness: HV≥900-1000
Fragility of nitrition: less than grade 1
Surface roughness: Ra 0.4um
Streightness of screw: 0.015mm
Surface of hardness of nitrated Cr coating layer: ≥950HV
Hardness of Cr coating layer: HRC55-62
Thickness of alloy plating: 0.03-0.08mm
Depth of alloy layer:2mm
Used for granulation,PP, PE, PA, PC, ABS,AS etc
We can manufacture various kinds of screw barrels according to the customers requirement
Bimetallic extrusion screw barrel vented screws
