... UNS S31803, UNS S32750, UNS S32760 STANDARDSANSI, ISO, JIS, DIN, BS,GB, SH, HG,QOST,ETC.CE and certification: ... & HIC Fittings. FLANGESProduction NameSlip-on welding flange;welding nece flange;socket welding flange;threaded flange;lapped flange;blind ;spectacle blind,etc.Size RangeFrom ½” ... F53/UNS S32F50, F55/UNS S32F60 STANDARDSANSI, ISO, JIS, DIN, BS,GB, SH, HG,QOST,ETC.CE and certification:ISO9001 ...