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الشخص الذي يمكن الاتصال به Mr. Charlie
Tongcun,Tangxizhen,Yinzhou, Ningbo, Zhejiang
The conical twin barrel for extruder in many specifications. Keywords : conical twin screw barrel, bimetallic screw barrel, extruder screw barrel. The conical twin barrel Abrasion resistant and corrosion resistant. Techniques : 1)Heat-treatment 2)Nitriding treatment 3)Bimetallic-alloy coating spraying Technical parameter: Nitriding depth : 0.***0.*0mm. Nitriding hardness : *******0HV. Nitriding brittleness : Less the grade 1. Surface roughness : Ra0.4. Linearity of the screw : 0.**5mm. Hardness of the chromium plating after nitriding :more than **0HV. Chrome plating thickness : 0.****0.**5.
