Forged Fittings are utilized for connecting pipes, valves, pumps and other pipeline equipments during the piping industry with a diameter: 2″-4″. They are two kinds of Forged Fittings :Socket weld Fittings and Threaded Fittings. Socket weld fittings are available in class 3000, 6000 and 9000. Threaded fittings are available in class 2000, 3000 and 6000.