Nitrided screw barrel high antiseptic
Specification
- Screw diameter: Ø15-300MM L/D:15-45
- Barrel diameter: Ø25-500MM Length:300-1000MM
Material
Parameter
Feature
- High anti-wear,high antiseptic,etc.
- Suit for PVC,SPVC,HPVC,PE,PP,XPS,ABS,PA,PC,POM,PMMA,PPO etc
38CrMoAlA(JIS SACM645)
42CrMo(AISI 4140)
9Cr18MoV,etc
Nitriding treatment(120 Hours)
Depth of Nitrided Layer: 0.5-0.8 mm
Hardness of Nitrided Layer: 900-1020Hv (HRC56°-65°)
Roughness of the surface:Ra0.4um
Linearity of the screw: ≤0.015mm
Linear axis limit: ≤0.02mm
Hardness after Hardening & Tempering: HB240-280
Grade | Material | Process |
Standard grade | 38CrMoAlA | Nitriding 96 hours |
Bimetallic grade | 38CrMoAlA | HP/HVOF |
TC-A grade | Tungsten carbide 40% | Centrifugal casting |
TC-B grade | Tungsten carbide 25% | Centrifugal casting |
TC-C grade | Tungsten carbide 10% | Centrifugal casting |