Machinery for Plastic & Rubber
Description
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
Straightness of screw:0.015mm
Surface Hardness of Nitrated Cr coating Layer:>950Hv
Hardness of Bimetallic Layer: HRC55?72?
The Thickness of Cr-coating Layer: 0.03-0.08mm
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injection molding screw barrel...
Ningbo Zhenhai Jinyi Mechanical and Electrical Co.,Ltd
screw
Address: No.158,Qiancheng Road,Jiaochuan Industrial Zone,Zhenghai,Ningbo,Zhejiang,China,
Ningbo, Zhejiang
China, 315200
Tel: 86-0574-86365885
Fax: 86-0574-86365885