By adding a high amount of metals such as chromium and molybdenum to the 2507 Material, Dúplex 2507 Spectacle Bind Spacer Ring becomes extremely resistant to uniform corrosion or General Corrosion, when exposed to environments that contain organic acids like acetic and acetic formic acid. Further, ANSI B16.5 UNS S32750 Flange exhibits excellent resistance to inorganic acids as well, especially in the presence of media that could contain chlorides. Although the ASTM A182 F53 Pipe Flange can be used in dilute hydrochloric acid, exposure to concentrated hydrochloric acid must be avoided. Due to the low carbon content of Duplex Flange, there is a low risk or minimal risk of the occurrence of carbide precipitation at the grain boundaries during heat treatment.