... Size:DN400 SCH120 5.Certificate:ISO 1.product name:structural steel tube 2.Material:15CrMo 3.Country of origin:LuBao 4. ... ),Tee,Reudcer,Caps,Pipe Bend, Threadolet, Weldolet,Flanges,steel pipe,Tube,API pipe,Oil line pipe and so on2Out Diameter1/8 ... and so on6Place of OriginShangHai(Bao),HengYang,YangZhou(ChengDe),Tianjin(TPCO),ShangDong and so on7Surface treatmentPolishing,sand blast,painting8MarkingAs ...