Temperature coefficient of conductor material per K at 20°C Values are taken from standard IEC 60287-1-1 Ed.2.1 when available.

Values for some other elements are:

Symbol
$\alpha_{\mathrm{c}}$
Unit
1/K
Related
$M_{\mathrm{c}}$
$\Delta W_{\mathrm{0}}$
$R_{\mathrm{c}}$
Choices
MaterialValue
Cu0.00393
Al0.00403
Brz0.003
CuZn0.0019
Ni0.00587
SS0.001