1.carbon steel bend with ISO CE certificates 2.18-610mm 3.ISO9001,ISO14001,CE 4.carbon steel 5.high quality.competitive carbon steel bend with ISO CE certificatesItemCatalogDescription1ProductsFlange,Elbow,Tee,Reducer,Cap,Cross,bend2Size1/2''--72''(Seamless :1/2''--24'',Butt Welding:26''--72'')3MaterialCarbon steel,Stainless steel,Alloy Steel4Material GradesA234 WPB,A106,A53,API 5L,A105,A333Cr6, ...