CARBON STEEL BLIND FLANGE 1.size:1/2"~60" 2.standard:DIN,ANSI,JIS,GB 3.material: ... Carbon steel,A105,Q235B,Q345B, CARBON STEEL BLIND FLANGE Size 1/2"~60" (DN15-DN2000) Wall thickness SCH5-SCH60,XS,SCH80 ... Welding Standard DIN,JIS,BS,ANSI,GN,GOST Min order quantity 1 piece or according to customers' requirement Applications range such as ...