- Contact Person : Ms. Wang Mia
- Company Name : Zhejiang Zhongyang Screw Manufacturing Co., Ltd.
- Tel : 86-580-8055067
- Fax : 86-580-8055069
- Address : Zhejiang,Zhoushan,Xihou industrial park,Jintang town,Dinghai district,Zhoushan,Zhejiang,China
- Country/Region : China
- Zip : 316032
parallel twin screw and barrel
Related Product Searches:parallel twin screw and barrel,High Quality screw and barrel,screw and barrel Dia35-200mm
ZHONGYANG offers parallel twin screw and barrel for extruders in full specifications.We can make any design according to customers' requirements.
Material:High quality alloy steel
1)38CrMoAlA
2)Nickel based alloy powder
Technics:1)Heat-treatment
2)Nitriding treatment
3)Hard-chrome electroplating
4)Bimetallic-alloy coating spraying
Technical parameter
Nitriding depth:0.50-0.80mm
Chrome depth:0.025-0.085mm
Bimetallic depth:3mm
Nitriding hardness:900-1000HV
Nitriding brittleness:Less than grade 1
Surface roughness:Ra0.4
Linearity of the screw:0.015mm
Hardness of the chromium plating after nitriding:More than 950HV
Chrome plating thickness:0.025-0.085mm
Terms and Conditions:Payment Terms:T/T,L/C or othersPacking: Wooden Case (Export standard)Lead Time: 30 days after receiving the paymentMOQ.:1 PairWarranty: 1 Year
