screw barrel

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screw barrel
Posting date : Feb 20, 2011
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84-
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Specifications:D10-300mm, can be matched with corresponded screw assembly parts according to customer's requirement Depth of Nitrated Layer: 0.5-0.8mm Hardness of nitration:52-72 HRC Fragility of nitration: Less than grade 1 Surface roughness: Ra 0.4um Hardness of Bimetallic Layer: HRC55°-72° Depth of Bimetallic Layer :2mm -4mm Surface Hardness of Cr coating Layer:≥950Hv Thickness of Cr-coating Layer: 0.03-0.08mm

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