Material comparison
The table values below are for commercially pure metals.
| |
Al |
Fe |
Cu |
Zn |
Nylon®
(Polyamide 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 |
100% I.A.C.S. (International Annealed Copper Standard) is the conductivity that, at 20°C,
corresponds to 58 m/Ω, mm².
