Stainless steel sanitary weld 180 degree u bends are used on permanent installations where process piping and equipment can be cleaned in place (CIP) and removal from the system is not required. Shaw Stainless offers weld fittings 316L stainless in a variety of sizes. Types: Adapters Caps Crosses Elbows - Laterals Reducers Stub Ends Tees True Wyes U-Bends Grades: 304 316L