... ASTM A234-WPC socket welded flange,ASME B16.9 SIZE: 1/2" - 48" DIMENSIONS: ASME B16.9/B16.28 PN:0 ... ASTM A234-WPC socket welded flange,ASME B16.9SIZE: 1/2" - 48" DIMENSIONS: ASME B16.9/B16.28 PN:0 ... ISO certificate,DIN,JIS,BS,GOST standardMaterial:carbon steel for high temperature,alloy steel etc.Packaging:wooden box or ... 's requirement ASTM A234-WPC socket welded flange,API,ISO,PED certificate,ASME B16.9