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Relative Conductivity of Different Metals

(Thermal and Electric)
Base copper=100
Metal Relative Conductivity
Thermal Electric
Aluminium 56 62
Brass 28 25
Bronze (Phosphor) 28 38
Copper 100 100
Gold 76 71
Iron 17 17
Lead 9 8
Mercury 2 2
Nickel 20 25
Platinum 18 16
Silver 108 105
Steel 13-17 15
Tin 17 15
Zinc 29 30