1. Size: 1/8"~4" 2. Standard: ASME B16.11 MSS SP 79/83/95/97, EN10241 3. Certification: ISO 9001:2008/CE Product Name Female male NPT Threaded hexagon bush Material Carbon steel A105/Stainless Steel 304/304L/316/316L Color Raw color/Back Painting Standard ASME B16.11 MSS SP 79/83/95/97, EN10241 Product Category ELBOW,TEE,COUPLING,HALCOUPLING,CAP,PLUG,BUSHING,UNION, OUTLET,SWAGE NIPPLE,BULL PLUG,REDUCER INSERT AND HEX NIPPLE,STREET ELBOWS,BOSS...ETC FORGED PIPE FITTINGS. Pressure 2000/3000/6000/ LBS Connection Threaded BSPP/BSPT/NPT and Socket-weld(SW) or butt-weld Used Gas/Petroleum/Power/Connect Pipes