Hollow Piston Rods-Internal Without Honed / External Hard Chromium Plated Tube.Suitable for Elevator Cylinder, Telescope Cylinder, Scaling Ladder, Agriculture Machines, Earthwork Machines, etc.
Products Specification:
External Diameter Accuracy: f8
External Surface Roughness:Ra0.2~0.4um
Hard Chrome Plated Thickness:20 Micron+/-10%
Material :JIS STKM 13C / DIN ST 52.3 BK+S / JIS STKM 13A / SAE A106
Other Specification and requirement can be customers make.
Features:
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.