Nikroma drato/Nikela kroma drato/Nikela kroma dratoMateriala konsisto
1. FeCrAl-drata strio inkluzivas: OCr13Al4, OCr19Al3, OCr21Al4, OCr20Al5, OCr25Al5, OCr21Al6, OCr21Al6Nb, OCr27Al7Mo2.
2. Nikela kroma drata strio inkluzivas: Cr25Ni20, Cr20Ni35, Cr15Ni60, Cr20Ni80.
3. Kupro-nikela drata strio inkluzivas:
CuNi1,CuNi2,CuNi5,CuNi8,CuNi10,CuNi14,CuNi19,CuNi23,CuNi30,CuNi34,CuNi44.
4. Konstantana drato inkluzivas: 6J40,4J42,4J32.
5.Manganina drato:6J8,6J12,6J13.