Abstract The sections in this article are Introduction Test Methods Nickel‐Based Alloys Commercial Nickel General Corrosion of Commercial Nickel Localized Corrosion of Commercial Nickel Nickel–Copper Alloys General Corrosion of Nickel–Copper Alloys Localized Corrosion of Nickel–Copper Alloys Nickel–Molybdenum Alloys General Corrosion of Ni–Mo Alloys Localized Corrosion of Ni Mo Alloys Nickel–Chromium–Molybdenum Alloys General Corrosion of Ni Cr Mo Alloys Localized Corrosion of Ni Cr Mo Alloys Nickel–Chromium–Iron Alloys General Corrosion of Ni Cr Fe Alloys Localized Corrosion of Ni Cr Fe Alloys Cast Nickel‐Based Alloys Cobalt‐Based Alloys General Corrosion of Cobalt‐Based Alloys Localized Corrosion of Cobalt‐Based Alloys Pitting and Crevice Corrosion Stress‐Corrosion Cracking of Cobalt‐Based Alloys Copper‐Based Alloys Coppers and High‐Copper Alloys Brasses Bronzes Copper Nickels Other Non‐Ferrous Metals Zirconium Titanium General Corrosion of Titanium Localized Corrosion of Titanium Tantalum and Niobium Summary Trade Names