... Steel A105 FlangeCertificate: ISO9001:2008Size: 1/2"-48"Product: SO Flange, WN Flange, Blind, RF Flange,etcPiplded neck flange, slip on neck flange and ... blind flange2) Standard: ASME, AISI, JIS, DIN , GB,BS3) Size:1/2604) Material: A234 ... ) Use: widely used in oil, chemical industry, electric power, shipping industry and other pipe projects Carbon Steel A105 Flange 1/2"-48"