Monel 400 shine nickel-tagulla alloy, galibi sun haɗa da nickel (kimanin 63%), kuma ya ƙunshi ƙananan ƙarfe, manganese, carbon da silicon. Ana amfani da wannan alloy sosai a cikin filayen masana'antu daban-daban saboda ingantattun m juriya da kayan masarufi.
