Screw barrel for injection machine
1. Material: 38CrMoALA, high quality alloy steel, etc
2. Technology: Heat-treatment applied, nitriding treatment
3. Application: PVC pipes & profiles&granulation
4. Specification: Φ 35-Φ 180, L/D ratio: 16-35
5. Guarantee: Common Nitried: More than 2years
6. Technical parameters:
1) Depth of nitriding layer: 0.5-0.8 mm
2) Hardness of nitriation: 900-1020HV
3) Fragility of nitriation: Less than Grade one
4) Surface roughness: Ra 0.4μ M