... 60" 2.standard:DIN,ANSI,JIS,GB 3.material:Carbon steel,A105,Q235B,Q345B, CARBON STEEL BLIND FLANGE Size 1/2 ... Carbon steel,Stainless steel,alloy steel Rating ANSI 150LBS - 2500LBS, DIN PN6 - PN160, JIS 5K -30K, HG PN0.25 - ... PN25 PN2.0 - PN42.0 Connection Welding Standard DIN,JIS,BS,ANSI,GN,GOST Min order quantity 1 piece ... Tianjin seaport,China. The process flow diagram: CARBON STEEL BLIND FLANGE