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Material properties comparison table

Physical properties of some of the most commonly used metals and plastics

  Al Fe Cu Zn Nylon
(polyamided 6.6)
Delrin
(polyacetal)
Density, g/cm3 2.7 7.9 8.9 7.1 1.1 1.4
Melting point, °C 658 1540 1083 419 255 175
Thermal capacity, J/kg, °C 900 450 390 390 1680 1470
Thermal conductivity, W/m,°C 230 75 390 110 0.23 0.23
Coeff. of linear expansion, x 10 -6 /°C 24 12 16 26 70-100 80-90
El. conductivity, % I.A.C.S. 2) 60 16 100 30 - -
El. resistance, x 10 -9 Ωm 70 105 17 58 - -
Modulus of elasticity, GPa 70 220 120 93 3 3