... 304, 316, 1. Stainless Steel Precision Casting Pipe Fittings itemUnions, Elbow Unions, 90 Elbow, 45Elbow, Reducer ... 45 Street Elbow, New Execution Elbow, Tee, Reducer Tee, New Execution Tee, Y Type Tee, Cross, Barrel Nipple, Welding Nipple, Hex. ... Nipple, Reducer Hex. Nipple, Neg. Bushing, Hex. Welding Nipple, Socket banded, Reducer Socket Banded, Socket O ...