... , 600lb,900lb, 1500lb,2500lb type specificationitem: carbon steel slip on flangesize: 1/2' to 48'standard: ANSI B16.5, B16.47pressure: 150lb ... requirement.pipe fittings: steel pipes, elbow, tee, cross, reducer, flange, cap, lap joint stub end, steel pipes, socket fittings, etc. standard carbon steel flange