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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:twin conical screw barrel, bimetallic screw barrel, extruder screw barrel The conical twin barrel Abrasion resistant and corrosion resistant Technics:1)Heat-treatment 2)Nitriding treatment 3)Bimetallic-alloy coating spraying Technical parameter Nitriding depth:0.***0.*0mm Nitriding hardness:*******0HV Nitriding brittleness:Less tha 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
