Galvanized iron pipe material: Q195,Q235,Q345,20#,45# etc ... 5-12.0mm length: as your demaned CommodityGalvanized iron pipeMaterialQ195-Q345, GR.B,20#,45# etc.SpecificationERWLength3 ... -17m or as your demandTreatmentgalvanized,oiled, painted black or as per customers' requestCertificatesGB3091-2001, ASTM A53 ... /MonthContactName: Dan LvMobile :86-13920276850Galvanized iron pipe