... ,Hexagon nipple,Weldolets,Sockolets,Threadolets Pipe FittingsSTAINLESS STEEL PIPE FITTINGS. Elbow,tee,Union,cross,Coupling,Cap,Bush,Plug,Swage nipple, ... :1500-2500LB or PN100-PN250 or 10K-40KMaterial:Carbon steel,stainless steel,alloy steel etcDesign & Manufacture Std.:ASME B16.5,API 605, ... and Socket-weld fittings in shape of Elbow,tee,Union,cross,Coupling,Cap,Bush,Plug,Swage nipple,Welding Boss, ...