SECORP designation (UNS NO.)
Nickel-copper solid solution, moderate strength. Good general corrosion resistance, especially to deaerated hydrochloric and hydrofluoric acids. Resists corrosion by sea-water.
 
Marine fixtures, shafting, valves, pumps, fasteners. Salt evaporators, piping. HF reboilers; chlorinated solvent. Acid pickling hardware.