Resistivity and Temperature Coefficient at 20 C

Material
Resistivity ρ
(ohm m)
Temperature
coefficient α
per degree C
Conductivity σ
x 107 /Ωm
Ref
Silver
1.59
x10-8
.0038
6.29
3
Copper
1.68
x10-8
.00386
5.95
3
Copper
1.724
x10-8
...
...
4
Copper, annealed
1.72
x10-8
.00393
5.81
2
Aluminum
2.65
x10-8
.00429
3.77
1
Tungsten
5.6
x10-8
.0045
1.79
1
Iron
9.71
x10-8
.00651
1.03
1
Platinum
10.6
x10-8
.003927
0.943
1
Manganin
48.2
x10-8
.000002
0.207
1
Lead
22
x10-8
...
0.45
1
Mercury
98
x10-8
.0009
0.10
1
Nichrome
(Ni,Fe,Cr alloy)
100
x10-8
.0004
0.10
1
Constantan
49
x10-8
...
0.20
1
Carbon*
(graphite)
3-60
x10-5
-.0005
...
1
Germanium*
1-500
x10-3
-.05
...
1
Silicon*
0.1-60
...
-.07
...
1
Glass
1-10000
x109
...
...
1
Quartz
(fused)
7.5
x1017
...
...
1
Hard rubber
1-100
x1013
...
...
1

*The resistivity of semiconductors depends strongly on the presence of impurities in the material, a fact which makes them useful in solid state electronics.

References:

1. Giancoli, Douglas C., Physics, 4th Ed, Prentice Hall, (1995).

2. CRC Handbook of Chemistry and Physics, 64th ed.

3. Wikipedia, Electrical resistivity and conductivity.

4. Engineering Toolbox

Resistivity discussion
Resistivity and conductivity of the elements
 Index

Tables

Reference
Giancoli
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