Stub End 1.Size 1/4-48" 2.Type: SMLS or Welded 3.Matetial: Carbon Steel, Stainless Steel, Cast Iron Pipe Fitting: Stub ... EndType:a). Forged Fitting (Socket Weld & Threaded): Tee, Elbow, Reducer, Cap, ... Coupling/Socket, Plug, Nipple and so onb). Butt Welded Fitting: Tee, Elbow, Reducer, Cap, Coupling/Socket, Plug, Nipple and ...