Relative permeability sheath material

The relative magnetic permeability is very close to 1 for many common non-ferrous conductors.

Symbol
$\mu_{sh}$
Unit
g/cm$^3$
Related
Choices
MaterialValueReference
Cu1.0slightly diamagnetic (0.999994)
Al1.0slightly paramagnetic (1.000022)
Pb1.0very weak magnetic response
Brz1.0commonly non-magnetizable
CuZn1.0commonly non-magnetizable
S4000.0wide range, typical value for electrical steel
SS1.0highly grade/work dependent
Zn1.0weakly diamagnetic, typically slightly below 1