... ,JID,GB,GOST 2.SIZE:1/2"-48" 3.type: forged CARBON STEEL PIPE FITTINGS-FLANGEStandard: ANSI B16.5 Material: A105 ... Size:1/2"-40"Professional manufacturer of kinds of carbon steel,such as DIN flange,JIS flange.,ANSI flange,UNI ... ,SS400,SF440A,A105 2. Size:1/2"-40" 3. Type:plate,slip-on,welding neck,threaded,socket weld ... transparent/Yellow/Black anti-rust paint,tranparent oil CARBON STEEL FITTINGS-FLANGES