ASTM A234-WPC socket welded flange,ASME B16.9 SIZE: 1/2" - 48" DIMENSIONS ... PN:0.6MPa-32MPa,150Lb-2500Lb ASTM A234-WPC socket welded flange,ASME B16.9SIZE: 1/2" - 48" DIMENSIONS: ... flangeColor:black/galvanizedAPI,PED,ISO certificate,DIN,JIS,BS,GOST standardMaterial:carbon steel for high temperature,alloy steel ... buyer's requirement ASTM A234-WPC socket welded flange,API,ISO,PED certificate,ASME B16.9