SECORP designation (UNS NO.)
An nickel-iron-chromium solid solution alloy for use in aggressive corrosive environments. Highly resistant to chloride stress corrosion cracking. Resists both oxidizing and reducing acids, especially sulfuric & phosphoric acid solution.
 
Downhole tubulars for deep corrosive wells. pollution control, radwaste systems. Pickling tank heaters, hooks ect. Chemical handling equipment-valves, pumps and piping.