1)FOB:$500--1200/ton 2)WT:2.5--30mm 3)OD:219--2540mm 4)Welcome to our factory at any time Diameter390 mm-395 mmWall thickness34.2 mm-34.6 mmTolerance±8%Tolerance±8%Length6m-12m or as per customer's requestProcess methodspiral weldedStandardsAPI 5L, API 5CT, ASTM, ANSI, ISO9001, DIN, ENApplication rangeUsed For Gas, Petroleum, Water ,Oil, Structure And SewageMain markeEurope, America, Southeast ...