... , 600lb,900lb, 1500lb,2500lb type specificationitem: carbon steel slip on flangesize: 1/2' to 48 ... types of flange: WN flange, blind flange, plate flange, socket weld flange, threaded flange, ring joint flange, etc. OEM to special requirement.pipe fittings: steel ... pipes, elbow, tee, cross, reducer, flange, cap, lap joint stub end, steel pipes, socket fittings, etc. standard carbon steel flange ...