... 80mm Certificate ISO and API Bevel PE BE Big diameter steel pipe(LSAW)StandardsGB/T3091-2008,GB/T9711.1, API5L ... , ASTM A53GrB,L245, X42-X70,API5L GrB, etc.ApplicationsStructural pipe, liquid transportation, conveyance of oil and gas, petroleum transportation ... standard can be marked on the pipeProcess techniqueJCOE mold.Surface:black painting, PE coating, galvanized etcPackage:Standard export package ...