1.A105 ASME B16.9 carbon steel flange 2.1/2'' to 60'' 3. ... carbon steel flange 5.API,CE,ISO A105 ASME B16.9 carbon steel flange 1.Products Items:Slip-on welding flange ... UNS S32750, UNS S32760 STANDARDSANSI, ISO, JIS, DIN, BS,GB, SH, HG,QOST,ETC.CE and certification:ISO9001:2000 , API , BV ... , F55/UNS S32F60 STANDARDSANSI, ISO, JIS, DIN, BS,GB, SH, HG,QOST,ETC.CE and certification:ISO9001:2000 , API , BV ...