Extruder screw for PVC making machinery

详情

Extruder screw for PVC making machinery

• Screw Diameter: Φ*5mm-Φ**0mm
• Material: *8CrMoAlA; 9Crl8MoV; *2 CrMoV; high quality alloy steel
• Technology: nitriding treatment,Sprey conating Bimetallic , heat-treatment
• Appliance: PP, PE, PA, PVC, PC, ABS, AS etc

Size: screw diameter: *5mm***0mm 

Maximum screw length:****0mm

Barrel inner bore diameter:ø **0mm 

 Material*8CrMoAlA
               *0CrMo
               *2CrMo
          High quality alloy steel

Technology:
Nitriding treatment
Alloy coating sparying
Heating treatment
Screw fully hardening
Specification:Depth of nitrition layer 0.**0.8mm
Nitriding treatment, surface hardness: HV≥ *******0
Fragility of nitrition:Less than grade 1
Surface roughtness: Ra 0.4um
Surface of hardness of nitrated Cr coating layer ≥ **0HV
Thickness of Cr coating layer: 0.***0.*8mm
Used for granulation, PP, PE, PA, PC, ABS, AS */* */*:*/*:*@********************ctoria*****2