Hard Chrome Hollow Bar
- External Diameter Accuracy: f8
- External Surface Roughness:Ra0.2~0.4um
- Hard Chrome Plated Thickness:20 Micron+/-10%
- Material : CK45, SAE1045, 4140, 4340, JIS45C, 40Cr, 20MnV6, 42CrMo,SAE1518,SAE4145, SS431, SS430, Stainless Steel 304/316/2205
- Other Specification and requirement can be customers make.
- A higher Yield Strength, with good weld-ability.
- Easy for mechanical property and the Low Temperature Enduring Assault Performance better that generally tubes
- The external hard chrome plated after precise grinding, that tolerance meet with international standards.
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