... typeSO(Slip On) flangeThis flange is slipped over the pipe and then fillet welded. Slip-on flanges are easy to use ... fabricated applications.Size1/2"-48" DN15--DN3000MaterialCarbon steel, stainless steel and alloy steel( A105,,F316, F304, F316L, F304L, F5, F11, F22 ... City,Hebei Province,China Factory Certificate Test Equipment Production Equipment For sale PN 1.0 slip on carbon steel flange