WhatsApp/Wechat/Tel:
008613905808474
E-mail: cxj.job@gmail.com
Add: No. 57, Tianyangchen, Yancang Street, Dinghai District, Zhoushan City, Zhejiang Province
High Precision Screw Barrel for Plastic Extrusion Machine
Application:
PVC profile(Door & window) / WPC(PVC,PE) / PVC foam board / PVC pipe / PVC compound etc
Material:High quality 38CrMoAlA
Process:Advanced nitriding & bimetallic process
Hardness After Hardening & Tempering:HB280-320
Nitrided Hardness:HV900-1000
Nitrided Case Depth:0.45-0.8mm
Nitrided Brittleness:Less than Grade 2
Surface Roughness:Ra 0.4
Screw Straightness:0.015mm
Alloy Hardness:HRC 50-65
Alloy Depth:0.8-2.0mm
