Conductivity of Materials

The following table shows the approximate conductivity of various materials at 20°C.

Metal σ - Siemens per meter (S/m) at 20°C
Aluminum 3.50x107
Copper 5.98x107
Gold 4.52x107
Lead 4.87x106
Iron 1.04x107
Silver 6.30x107
Tin 8.70x107
Uranium 3.48x106
Vandium 3.83x106
Zinc 1.69x107

Note: The conductivity values are approximate values only.