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Extruder Screw and Barrel:
Material: 38CrMoAl A Nitridized
Case hardness of screw: HV≥750-940
Case hardness of barrel: HV≥940-1100
0.5-0.8mm Depth of nitridized layer
Nitriding brittleness: Grade 1, surface roughness: Ra 0.4μm
Our company mainly produces nitridized screws and barrels as follows:
Standards of injector cylinders and screw & accessories
Single screw & Barrel extruder
Twin parallel different direction Double screws & barrel
Conical twin screws & barrel
With the increasing use of engineering plastics in daily life and in industries, there are more and more varieties of engineering plastics, such as PC, PVDF and modified plastics with calcium carbonate and silicon dioxide, or with glass fibre, carbon fiber, and boron fiber.
Extruder Screw and Barrel
