CARBON STEEL BLIND FLANGE 1.size:1/2"~60" 2.standard:DIN,ANSI,JIS,GB 3.material:Carbon steel,A105,Q235B, ... , HG PN0.25 - PN25 PN2.0 - PN42.0 Connection Welding Standard DIN,JIS,BS,ANSI,GN,GOST Min order quantity 1 ... or as customer's requirment Port Tianjin seaport,China. The process flow diagram: CARBON STEEL BLIND FLANGE