elements screws mixers segment cylinders PVC/PP/PE extrusion screw barrel
USD $50 - $500 /Piece
Min.Order:1 Piece
Zhejiang Zhongyang Screw Manufacturing Co., Ltd.
1.every piece of screw elements is replaceable
2.offers considerate after-sales service
3.ISO 9001:2008 approved
Screw Elements/Segment screws barrels
Parallel twin screw diameter :D18-D177mm
Material:
1.W6Mo5Cr4V2
2.38CrMoAIA(JIS SACM645)
3.42CrMo(AISI4140)
4.S45C
Technics:
1.Heat treatment
2.Nitriding treatment
3.Vacuum quenching
Technical parameter:
D/d ratio:1.55
Nitrided layer depth:>0.4mm
Nitrided hardness:900-1000HV