... .Steel flange OEM is available 4.ISO,PED,CE/PED. Standard stainless steel flange asme size: from 1/2''_80 ... '' standard:ASME material: stainless qualification: ISO9001 standard stainless steel flange 1/2" to 24" ASME ... , 2500Lbs, /PN6,PN10,PN16,PN20,PN25,PN40/ Class A, B, C, D, EstandardASME B16.5, ASME B16.47, ASME B16.36 ...