... )Standard: AMSE.DIN 4)Material:A106B,AP15L,X52.X57 Carbon steel pipe Size1/2"-48"Wall thicknessSch10-Sch160,XXS,XS,STDStandardAPI ... , steel strips bundled.Surface treatmentBlack painting, black varnish, transparent oil, hot galvanized, 3PE,epoxy coatingApplications rangePetroleum, chemical, power, gas, metallurgy, shipbuilding, construction ...