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Suitable for PP, PE, PC, PVC, PA, GF
Specifications
1. Material: 38CrMoAlA
2. Treatment: Nitrided/bimetallic/WC coating
3. Customer-made/OEM
4. Design service
It is good at processing products in high temperature and high corrosion, suitable between 300~500 ° C
Application: Various high glass fiber, mineral fiber and PPA, PPS, PA6T, LCP, Vo Fire protection, ferrous powder and plastics with special characteristic, high temperature and high corrosion.
Technical specification:
Hardness after Hardening&tempering: HB280-320
Nitrided Hardness: HV850-1000
Nitrided Case Depth: 0.45-0.7mm
Nitrided Brittleness: Less than Grade 2
Surface Roughness: Ra 0.4
Screw Straightness: 0.015mm
Surface Chromium-plating's Hardness After Nitriding: ≥ 900HV
Chromium-plating Depth: 0.025~0.10mm
Alloy Hardness: HRC56-65
Alloy Depth: 0.8~2.0mm
Bimetallic Depth: 1.5mm~5mm
The hardness of the bimetallic HV950~1100
1. We could design for you for any Genneral plastic materials (such as PP, PE, ABS, AS, PS, PC, PET, PA, PVC, PMMA, TPU, PU etc. ) and Engineering plastic materials(such as ABS+PC, BMC, LCP, PPS, PAR, PA-6, PA-66, PA9T, PA4T, CPVC, PVDF, POM, Glass fiber etc. )
2. We could also design special screws such as special for PVC, PP, PE etc.
The compression ratio of the screw canbe designed according to different products and mixtures.
Bimetallic Screw and Barrel (Snail and Cylinder) for Plastic Machines
