1.seamless steel pipe 2.material:material:ST37,ST35.8,ST44,ST45 ... and guide the development of product technolog orientation.Seamless Pipe Typeseamless steel pipeSize1/2"-36"Wall thicknessSch5-Sch160XXSStandardDIN1626,1629,1630 ... 2391,2448MaterialST37,ST35.8,ST44,ST45,ST52Packagingpainting black, pipe cap, steel strips bundled.Applications range petroleum, construction ,shipbuilding,smelting, aviation ...