- Contact Person : Ms. yu Jackie
- Company Name : Ruian Yumin Machine Screw Co., Ltd.
- Tel : 86-577-65518000
- Fax : 86-577-65518333
- Address : Zhejiang,wenzhou ruian,jiu an east road 30 shang wang street committee
- Country/Region : China
- Zip : 325200
injection molder machine screw
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injection molder screw and barrel 38CrMoAlA
Size: screw diameter:Φ20-Φ500mm
maximum screw length:10000mm
Barrel inner bore diameter:Φ500mm
Material: 38CrMoAlA
high quality alloy steel
Technology: nitriding treatment,
alloy coating spraying,
heating treatment,
screw fully hardening,
specifications:
30g-25000g screw
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
Surface of hardness of nitrated Cr coating layer: ≥950HV
Thickness of Cr coationg layer: 0.03-0.08mm
Used for granulation,PP, PE, PA, PC, ABS,AS etc
We can manufacture various kinds of screw barrels according to the customers requirement
