Letoto leha e le lefe la li-coil tsa aluminium tsa indasteri li na le likarolo tse ngata tsa lik'hemik'hale.Ka mohlala, zinki, chromium, silicon, tšepe, manganese, magnesium, titanium, koporo le likarolo tse ling tsa tšepe, ho eketsa likarolo tse fapaneng tsa likarolo tse fapaneng tsa tšepe, joale ts'ebetso ea motsoako oa aluminium le eona e tla fetoha.Letoto le fapaneng la alloy ea aluminium, karolo ea likarolo tse fapaneng tsa tšepe le eona e fapane, ts'ebetso ea eona le eona e tla fetoha haholo, mohlala, liprofinse tse ling li na le khanyetso e ntle ea kutu, empa matla ke a akaretsang, lintlha tse ling li na le matla a maholo, empa khanyetso ea kutu kakaretso.Tlhokahalo ea profil ea aluminium alloy tšimong ea indasteri e pharaletse haholo, 'me hoa hlokahala ho khetha profil e nepahetseng bakeng sa merero e fapaneng.