From standard IEC 60287-1-1 Ed.2.1 at 20°C.

Symbol
$\rho_{\mathrm{ar}}$
Unit
Ω.m
Related
$a_{\mathrm{constr}}$
Used in
$R_{\mathrm{A_{\mathrm{1}}}}$
$R_{\mathrm{A_{\mathrm{2}}}}$
Choices
ConstructionValue
SWR1.38e-07
SWF1.38e-07
ST1.38e-07
SSR7e-07
SSF7e-07
CuWR1.7241e-08
CuWF1.7241e-08
BrzWR3.5e-08
BrsWR3.9e-08
AlWR2.8264e-08
TECK2.8264e-08