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Extrusion Plastic Machine
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Screw for Extruder
2013-01-15 16:5529
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Depth of Nitration Layer: 0.5-0.8mmHardness of Nitration: 950-1020HvFragility of Nitration: Less than grade 1Surface Roughness: Ra 0.4 umStreightness of Screw: 0.015mmSurface Hardness of Nitrated Cr coating Layer: >=950HvThe Thickness of Cr Coating Layer: HRC55-62Depth of Alloys Layer: >2mm
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