Forged steel flange  Key Specifications/Special Features: Types: welding neck, slip-on, threaded, lap-joint, socket welding and blind Manufacturing standards: API, ANSI, BS, JIS, UNI, MSS and SP Size range: from 1/2-inch to 56-inch (DN 15 to DN 1,400mm) Pressure: from ANSI class 150 to 2,500 Materials: A105, LF2, F304, F304L, F316, F316L and Q235 steel