welded steel tube: 1) ISO 9001:2008,PED 2)OD:10-219.08mm WT:5S-40S 3)Export widely to USA,Canada,EU,Japan,TW,HK,MID-East, Quick Details Standard: JIS, AISI, ASTM, GB, DIN, ENPlace of Origin: PENGLAI SHANDONG CHINA (Mainland)Brand Name: JINCHUANGModel Number: 13Type: WeldedSteel Grade: 300 SeriesApplication: industrial,Certification: ISOWelding Line Type: ERWThickness: SCH5S-SCH40SOuter Diameter: ...