East Ai Machinery founded in 2006, our factory located in beautiful Wuxi city. We make Custom Hydraulic Cylinder, Pneumatic Cylinder, Honed Tube, Skived tube, Chrome Plated Rod, Hollow Chrome Bar, etc.

Honed Tube for Hydraulic Cylinder

1. Steel grade: ST52, CK45, 20#, 45#, 4140, 16Mn, 42CrMo, Q345B, Q345D, Stainless Steel 304/316, Duplex 2205, Alloy Steel etc.

2. ID: 20mm-1500mm

3. Length: max 13m

4. Straightness: 0.5/1000

5. Roughness(Ra): 0.2-0.4u 

6. Tolerance EXT: DIN2391

7. Tolerance INT: ISO H8

8. Type: seamless, cold drawing, cold rolling, honed

9. Conservation: anti rust oiled inside and outside surface, plastic caps in both ends.

10.  Package: bundle with steel strip and knitting strip, or wooden case.