... :ASTM,ASME,DIN,JIS Certificate:API,ISO,CCS STD steel seamless pipe ProductionSteel pipeTypeSeamless and ERWSize1/2" To 24 ... JIS, BS, ISO, GB, SH, AND HG etc MaterialCarbon Steel: ASTM A53/A106,ASTM A179,API 5L X42/52/60Surface ... ,3PE coating, epoxy coating.PackingPlastic pipe cap, plastic bag, steel strips bundledApplicationsPetroleum,chemical,power,gas,metallurgy, shipbuilding, construction, etcMin ...