Monel 400 alloy (UNS N04400 or MCu-28-1.5-1.8 or Ni68Cu28Fe) is a kind of alloy that can be used in seawater, chemical solvents, ammonia sulfur chloride, hydrogen chloride, various acidic media such as sulfuric acid, hydrofluoric acid, hydrochloric acid, phosphoric acid, organic acids , a nickel-based alloy material with good corrosion resistance in alkaline media, salt and molten salt.
Equivalent grade:
UNS N04400
DIN W. Nr. 2.4360, 2.4361