Filum Nichromum/Filum Nickel-Chromium/Filum Nickel-Chromium Compositio Materiae
1. Lamina filorum FeCrAl haec comprehendit: OCr13Al4, OCr19Al3, OCr21Al4, OCr20Al5, OCr25Al5, OCr21Al6, OCr21Al6Nb, OCr27Al7Mo2.
2. Vectis filorum chromaticorum niccoli continet: Cr25Ni20, Cr20Ni35, Cr15Ni60, Cr20Ni80.
3. Stria filorum cupreorum niccoli continet:
CuNi1,CuNi2,CuNi5,CuNi8,CuNi10,CuNi14,CuNi19,CuNi23,CuNi30,CuNi34,CuNi44.
4. Filum Constantanum includit: 6J40, 4J42, 4J32.
5.Manganin filum:6J8,6J12,6J13.