carbon steel slip-on flange 1.We have our own factory 2.Size:15~ ... special design ProductFlange ,Steel flange,Carbon steel,carbon steel slip-on flangeSize15mm~600mmMaterialCarbon steel(20#,35#,45# etc),Stainless steel,Alloy ... steel,etcTypeslip-on flange Pressure150lb~3000lbStandardANSI,BS,DIN,GB,ISOPackingWooden case;wooden pallet ...