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Contact Us
- Contact Person : Ms. Wang Mia
- Company Name : Zhoushan Zhongyang Screw Manufacturing Co., Ltd.
- Tel : 86-574-88114868
- Fax : 86-574-88114878
- Address : Zhejiang,Ningbo,Room 408,Unit 10,Jinshuiwan Building,Changfeng,Yinzhou District
- Country/Region : China
- Zip : 315000
single screw
Product Detailed
Related Categories:Plastic Processing Machinery Parts
Detailed Product Description
The injection screw for extruder and injection molding machine in many specifications.
The single screw's Abraasion resistant and corrosion resistant
The single screw's of Material:High quality alloy steel
1)38CrMoAlA
2)42CrMo
3)Cr12MoV
4)4Cr5MoSiVL
5)CCrWMov
6)9Gr18MoV
Technics:1)Heat-treatment
2)Nitriding treatment
3)Hard-chrome electroplated
4)High-frequency quenching
5)Bimetallic-alloy coating spraying
Technical paremeter
Nitriding depth:0.50-0.80mm
Nitriding hardness:900-1000HV
Nitriding barittleness:Less than grade 1
Surface roughness:Ra0.4
Linearity of the screw:0.015mm
Hardness of the chromium plationg after nitriding :more than 950HV
Chrome plating thickness:0.025-0.085mm
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