Ningbo Zhenhai Jinyi Mechanical and Electrical Co.,Ltd
screw barrel, screw, twin screw, extruder screw barrel, extrusion screw, Manufacturer and Supplier - China(CN)
screw barrel for rubber machine (99)
Diameter:15mm up to 300mm Max. Length:? 10000mm
1)material: 38CrMoAl A Nitriding treatment, Surface hardness: HV?900 Nitriding depth:0.5-0.8mm
2)Material of barrel inside layer: Tungsten alloy. Surface spraying, prolong life of screw.