Steel tubes - ASME/ASTM Flange - ASME/ASTM Forged Fittings - ASME/ASTM Fittings, Butt-Weld Fittings (ASME/ASTM) Types ElbowsAngles 45° - 90° - 180°Elbows and Reducing Elbows Long Radius (LR)Elbows Short Radius (SR) ReducersConcentric reducersEccentric reducers TeesEqual TeesReducing TeesLateral Tees and Reducing Tees 45°Barred Tees End caps / plugsCrosses Norms ASME B16.9ASME B16.28 Wall Thicknesses Available in all wall thicknesses Dimensions 1/2″ - 60″