Seamless Honed Tube By Changzhou Chengxin Metal Products Co.,ltd

We are instrumental in providing to our valuable customers excellent quality Seamless Honed Tube which is available with following specification:-
1. Commodity: Seamless honed tube
2. Standard&material: GB/T8713 10#, 20#, 45#, 16Mn, EN10305-4 E215, E235, E355,
DIN2391-2, DIN2445-2 ST35.4, ST52.4,
3. Size range: 30mm(ID)*3mm(W. T) - 400mm(ID) * 40mm(W. T)
4. Manufacture process: Cold-drawn
5. Delivery condition: Cold-drawn/hard, cold-drawn/soft. Heat-treated tubes can be negotiated for production&supply.
6. Roughness of internal surface: 0.125um - 4um.
7. Straightness: 0.3/1000, 1.0/1000, 1.5/1000
8. Size tolerance: (see table)
9. Packing: To be confirmed.
10. Standard packing: In bundles tied with steel strips.
11. Marking, oil-coating, varnish, black painting, end-protection to be confirmed.