- Plastic Processing Machinery Parts[104]
- Plastic Product Making Machinery Parts[38]
- Screws[19]
- Drums[1]
- Double-Sided PCB[2]
- Tool Parts[1]
- Shafts[1]
- Plastic Extruders[10]
- Curb & Paving Stone Forming Machinery[2]
- Resistors[6]
- Pipe Making Machinery[2]
- Plastic Granulators[2]
- FPC[1]
- Other Fasteners[1]
- Metal Processing Machinery Parts[2]
- Rubber Processing Machinery Parts[9]
- Plastic Blowing Machinery[1]
- Used Plastic Extruders[1]
- 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 extruder
Detailed Product Description
The single screw for extruder and injection moulding machine in many specifications.
The single screw Abraasion resistant and corrosion resistant
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
