I-Monel 400 iyi-alloy ye-nickel-Copper, eyakhiwa kakhulu i-nickel (cishe ama-63%) ne-copper (cishe 28-34%), futhi futhi iqukethe amanani amancane ensimbi, futhi futhi aqukethe amanani amancane ensimbi, futhi aqukethe ama-silicon amancane. Le alloy isetshenziswa kabanzi ezinkundleni ezahlukahlukene zezimboni ngenxa yokumelana kwayo okuhle kakhulu kanye nezakhiwo zemishini.