Slip on flange (SO flange)Forge steel Specifications:1) Sizes: 1/2 - 24" 2) Pressure Rating: 150 - 1, 500lbs 3) Material: F316, F304, F316L, F304L, A105, F5, F11, F22, 15CrMo, 12CrMoV, Q235, 16Mn, 20# ,Rst 37.2,C22.8 etc.4) Standard: ANSI B16.55
