Resistivities for common metals
The following table shows the resistivities of several materials. The values are correct at 20 degrees Celsius.
Element
|
Resistivity at 20 °C (Ω.m)
|
Aluminum
|
2.82 x 10-8
|
Carbon (Graphite)
|
3.5 x 10-5
|
Constantan
|
4.9 x 10-7
|
Copper
|
1.7 x 10-8
|
Germanium
|
4.6 x 10-1
|
Glass
|
1010 to 1014
|
Gold
|
2.44 x 10-8
|
Iron
|
1.0 x 10-7
|
Lead
|
2.2 x 10-7
|
Manganin
|
4.82 x 10-7
|
Mercury
|
9.8 x 10-7
|
Platinum
|
1.1 x 10-7
|
Quartz (fused)
|
7.5 x 1017
|
Silicon
|
6.40 x 102
|
Silver
|
1.59 x 10-8
|
Tungsten
|
5.6 x 10-8
|
References:
http://en.wikipedia.org/wiki/Resistivity
http://hyperphysics.phy-astr.gsu.edu/hbase/Tables/rstiv.html