Elbow,tee,Union,cross,Coupling,Cap,Bush,Plug,Swage nipple,Welding Boss, ... nipple,Weldolets,Sockolets,Threadolets Pipe FittingsSTAINLESS STEEL PIPE FITTINGS. Elbow,tee,Union,cross,Coupling,Cap,Bush,Plug,Swage nipple,Welding Boss ... 6100-67,AS4087Structure Type: Forged Screwed and Socket-weld fittings in shape of Elbow,tee,Union,cross,Coupling,Cap,Bush,Plug,Swage nipple ...