incoloy 825 steel flange As expected of the specification a tension test, as well as a nondestructive ultrasonic test, is performed on each specimen, in this case, the ASTM B564 UNS N08825 Slip On Flange. Often, the Incoloy 825 Flanges are valued for their impressive set of properties which enable them to be used in industries such as chemical and petrochemical, ore processing, petroleum refining, nuclear, offshore oil and gas production, food processing, air pollution control, steel pickling as well as waste disposal industries.