ASTM A694 F46 forgings can be made from carbon, low alloy or alloy steel. Steel should be made by open hearth, electric furnace or basic oxygen process and should be fully deoxidized. Its forged flanges and forged fittings can be easily fabricated from ingots, blooms, billets, slabs or bars. All grades of ASTM A694 F46 shall be heat treated. Heat treatment of carbon steels and high strength low alloy steels can include normalizing, normalizing and tempering, or quenching and tempering. The heat treatment of alloy steel may include normalizing and precipitation heat treatment or quenching and precipitation heat treatment.