... 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 B16.526"to 80" ... ,F70, A182 F12,F11,F22,F5,F9,F91,F1ECT)qualificationISO9001 API CEapplicationPetroleum, chemical, machinery, electric power, shipbuilding, papermaking, construction, ...