... Swage nipple,Welding Boss,Hexagon nipple,Weldolets,Sockolets,Threadolets Pipe FittingsSTAINLESS STEEL PIPE FITTINGS. Elbow,tee,Union,cross,Coupling,Cap,Bush, ... ,alloy steel etcDesign & Manufacture Std.:ASME B16.5,API 605,MSS SP-44,API 6A,JIS B2220,DIN 2527-2576,UNI 2229 ... sealing without leakage under the pressure test6)We forged pipe fittings wide selection of materials,applicable for various mediums ...