Aluminum 4.29E-3 Brass 1.0E-3 Copper 3.86E-3 Gold 3.4E-3 Iron 6.51E-3 Manganin 0.002E-3 Mercury 0.9E-3 Platinum 3.927E-3 Silver 3.8E-3 Tungsten 4.5E-3 Zinc 3.6E-3