Conical Twin Screw & Barrel

1.Material: 38CrMoAl A Nitriding treatment, Surface hardness: HV≥900 Nitriding depth: 0.5-0.8mm

2.Base material: 38CrMoAI A, Special alloy is welded on the flight of screw , prolong life of screw.

3.Easy wearing parts of barrel made from anti-wear alloy can be improved abrasion performance