1. Main use: Widely used in making jacks, autocycle, shock absorber, cylinders, automotive industry machine structures and hydraulic pressure machinery
2. Features: Precision in sizes and good, smooth and bright for inner and outer surface
4. Steel grade: 10#, 20#, 35#, 45#, 40Cr, 37Mn5, 20Cr
5. Outer diameter: ??5.00mm-??400.00mm

6. Thickness: 0.5mm-10.00mm
7. Length: As per customers' requirements
8. Packing: In bundle with strip