... )Standard: AMSE.DIN 4)Material:A106B,AP15L,X52.X57 Carbon steel pipe Size1/2"-48"Wall thicknessSch10-Sch160,XXS,XS,STDStandardAPI, ASME ... / Q345/ A335/ ST37/ ST52.PackagingWith pipe cap, steel strips bundled.Surface treatmentBlack painting, black varnish, transparent oil, hot galvanized, 3PE,epoxy coatingApplications rangePetroleum ...