Steel Flange 1.Size:1/2"-48" 2.Pressure:150#-2500# 3.Standard:ANSI DIN JIS UNI nonstandard 4.Type:WN SO SW BL PL LJ etc Steel Flange ItemSteel FlangeMaterialCarbon Steel/Stainless Steel/Alloy Steel.StandardGB,JIS,BS,DIN.ANSI/ASTM /API,NF,GOST,EN,ISO and Non standardSize1/2"-48"TypeSlip-on flanges, Blind flanges, Lap joint flanges, Welding neck flanges, Spectacle flanges,TG flanges,Socket welding ...