... welded long radius elbow Socket welded elbows is a type of socket welded fitting that is unthreaded, but ... has large sockets at both ends of a pipe. We offer wide range of socket weld ... changing the direction in piping and are also sometimes called a quarter bend.1. Material: 304, 304L, 321, ... . Standard: ASME, MSS, HG, DIN, JIS, GB3. Type: 90° and 45° Socket Welded ElbowWe offer Sanitary Fittings, ...