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Ningbo Zhenhai Jinyi Mechanical & Electrical Co.,Ltd - Ningbo, China

Website
www.jinyiscrew.com.cn

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 Thickness Of Cr-coated Layer: 0.03-0.08 ...Read More





 599

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 Thickness Of Cr-coated Layer: 0.03-0.08 ...Read More





 566

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 Thickness Of Cr-coated Layer: 0.03-0.08 ...Read More





 498

There Is An Armouring Layer On The Top Of Screw Thread, Or On The Surface Of All Over The Screw Working Surface. It Has A Minimum Contact Wear Ratio Then It Is Running On The Inside Of Cylinder. The Base Material Is One Kind Of High-strength And Weld ...Read More





 580

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 Thickness Of Cr-coated Layer: 0.03-0.08 ...Read More





 534

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 Thickness Of Cr-coated Layer: 0.03-0.08 ...Read More





 508