Kawat resistansi: kawat resistansi paduan nikel-kromium, kawat resistansi paduan aluminium besi-kromium
Bahan: Nichrome: Cr20Ni80 Cr15Ni60 Cr20Ni35 Cr20Ni30 Cr25Ni20
Paduan besi-kromium-aluminium: 0Cr25Al5 0Cr21Al6 0Cr21Al6Nb 0Cr23AL5 1Cr13AL4 1Cr21AL4 0Cr27Al7Mo2
