
Monel 400 ƙarfe ne na nickel na tagulla, yana da kyakkyawan juriya ga tsatsa. A cikin ruwan gishiri ko ruwan teku yana da kyakkyawan juriya ga tsatsa, ƙarfin tsatsa. Musamman juriya ga hydrofluoric acid da juriya ga hydrochloric acid. Ana amfani da shi sosai a masana'antar sinadarai, mai, da ruwa.
Ana amfani da shi sosai a fannoni da dama, kamar sassan bawul da famfo, kayan lantarki, kayan aikin sarrafa sinadarai, tankunan mai da ruwan sha, kayan aikin sarrafa mai, shafts na propeller, kayan aikin ruwa da maƙallan su, na'urorin dumama ruwan zafi da sauran na'urorin musanya zafi.
| Ni | Cu | Al | Ti | C | Mn | Fe | S | Si |
| 63.0-70.0 | 27-33 | 2.30-3.15 | .35-.85 | 0.25 mafi girma | matsakaicin 1.5 | matsakaicin 2.0 | 0.01 mafi girma | matsakaicin 0.50 |
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