1.Seamless tube 2.material:Astm a 53/106/ API 5LA/B, ... way and guide the development of product technolog orientation. Seamless PipeTypeseamless tubeSize1/2"-36"Wall thicknessSch5-Sch160XXSStandardASME B36.10M-1996 ... CT /Q345/A335/ST37/ST52Packagingpainting black, pipe cap, steel strips bundled.Applications range petroleum, construction ,shipbuilding,smelting, aviation, power, foodstuff, papermaking, ...