... :sch5s-XS,XXS Standard:ASTM,ASME,DIN,JIS Certificate:API,ISO,CCS SCH 40 steel seamless pipe ProductionSteel pipeTypeSeamless and ... ERWSize1/2" To 24"Wall thicknessSch5S-Sch160, XS,XXSStandardsANSI, ASTM,API,DIN, ... ISO, GB, SH, AND HG etc MaterialCarbon Steel: ASTM A53/A106,ASTM A179,API 5L X42/52/60Surface treatmentBlack painting, anti ...