... ASME,DIN,JIS Certificate:API,ISO,CCS SCH 40 steel tube ProductionSteel pipeTypeSeamless and ERWSize1/2" To 24"Wall ... 3PE coating, epoxy coating.PackingPlastic pipe cap, plastic bag, steel strips bundledApplicationsPetroleum,chemical,power,gas,metallurgy, shipbuilding, construction, ... and ISO9001:2000Productivity200000 ton per yearKeywords: SCH 40 steel tube,carbon steel tube,seamless tube