spiral steel pipe /tube

1.Standard:SY/T5037-2000,GB/T9711.1-1997,API 5L

2.Material :Q235,Q345.X42 to X80

3.OD:219mm-3000mm

4.WT:SCH20,SCH40,SCH60,SCH80,SCH100,SCH120,SCH160,XXS

5.Usage:Boiler use,water transport,buiding,machinery,traffic aviation oil development ,etc.

6.Surface:Black paint as rusty protect or as request

7.Techniques:ERW or SSAW

8.Packing: bundle packing

9. Payment:30%T/T in advance ,balance fax of copy of B/L or irrevocable L/C at sight is available