Carbon Steel Pipe Flange 1.Size:1/2" to 64" 2.Pressure:Class150 ... PN64 3.Material:Carbon steel,Stainless steel Carbon Steel Pipe Flange1), Name:Pipe Flange2), Sizes: 1/2"- 64",15mm - 1600mm3), Material: Carbon ... -on, blind etc.Class150,300,600,900,1500 Carbon Steel Pipe Flange