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 so on Material: a). Carbon Steel: ASTM A234 WPB; A429; A860 and so on b). ...