... carbon steel flange 5.API,CE,ISO A105 ASME B16.9 carbon steel flange 1.Products Items: ... S32750, UNS S32760 STANDARDSANSI, ISO, JIS, DIN, BS,GB, SH, HG,QOST,ETC.CE and certification:ISO9001:2000 , ... F55/UNS S32F60 STANDARDSANSI, ISO, JIS, DIN, BS,GB, SH, HG,QOST,ETC.CE and certification:ISO9001:2000 , ... F321, F347, ANSI, ISO, JIS, DIN, BS,GB, SH, HG,QOST,ETC. ASME B16.11ISO9001:2000 , API , BV , SGS, ...