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Ningbo Zhenghai Jinyi Mechanical and Electrical Co., Ltd
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Ningbo Zhenghai Jinyi Mechanical and Electrical Co., Ltd
Ningbo Zhenghai Jinyi Mechanical and Electrical Co., Ltd
China

  • Products Catalog

    screw barrel
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    screw barrel

    Quantity Order:
    Origin:
    China
    Payment Method:
    Telegraphic Transfer (T/T)
    Pack. & Delivery:
    1 set/wooden box

    Specification :

    Technical Index
    Depth of Nitrated Layer: 0.5-0.8mm
    Hardness of nitration: 900-1020Hv
    Fragility of nitration: Less than grade 1
    Surface roughness: Ra 0.4um
    Hardness of Cr-coating Layer: > = 950Hv
    Hardness of Bimetallic Layer: HRC55-72
    Thickness of Cr-coated Layer: 0.03-0.08mm
    Depth of Bimetallic Layer: > 2mm

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