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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
conical twin-screw
Product Detailed
Related Categories:Plastic Processing Machinery Parts
Detailed Product Description
Abrasion -resistant and corrosion -resistant
Material:High quality alloy steel
1)38CrMoALA
2)9gR18MoV
Technics :
1)Heat treatment
2)Nitriding treatment
3)Spray coating Bimetallic-alloy
Technical data :
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 chrome plating after nitriding More than 950HV
Chrome plating thickness :0.025-0.085mm
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