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screw and barrel of rubber machine
Materials:
Alloy-steel of high quality
1)38CrMoAlA(JIS SACM 645)
2)9Cr18MoV
Nitrided hardness:HV 900-1000
Nitrided Case Depth:0.50mm-0.80mm
Alloy hardness:HRC50-65
Alloy depth:0.8mm-2.0mm
Advanced nitriding process
Corrosion and Abrasion resistance bimetal spraying process
PINNED SCREW AND BARREL SPECIFICATIONS:75mm-250mm
COLD/HOT-FEED SCREW AND BARREL SPECIFICATION:30mm-250mm
screw and barrel of rubber machine