Resistivity of Common Conductors

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Resistivity of Common Conductors at 20C

Material

Resistivity

mW-cm

W-m

Aluminum

2.62

2.62E-8

Beryllium

35

35E-8

Bismuth

115

115E-8

Brass (66Cu,34Zn)

3.9

3.9E-8

Chromium

2.6

2.6E-8

Copper

1.72

1.72E-8

Graphite (typical)

1400

1400E-8

Gold

2.44

2.44E-8

Indium

9

9E-8

Iron

9.71

9.71E-8

Lead 

21.9

21.9E-8

Magnesium 

4.46E-8

4.46E-8

Nichrome (65Ni,12Cr,23Fe) 

100

100E-8

Nickel

6.9

6.9E-8

Silicon 

85000

85000E-8

Silver 

1.62

1.62E-8

Stainless Steel

90

90E-8

Steel (low, 0.5%C) 

13

13E-8

Steel (high, 0.5%C) 

22

22E-8

Tantalum

13.1

13.1E-8

Tin

11.4

11.4E-8

Titanium

47.8

47.8E-8

Tungsten

5.48

5.48E-8