| Al | Fe |
Density r [kg/dm³] | 2.7 | 7.87 |
Cristal lattice | cfo | cro |
Young’s modulus [N/mm²] | ≈71*10³ | ≈210*10³ |
Tensile strength Rm [N/mm²] | ≈50 | ≈200 |
Melting point [˚C] | 660 | 1539 |
Specific heat [J/kg˚C] | ≈896 | ≈460 |
Electrical conductivity λth [m/Ωmm²] | 36 | 8.3 |
Thermal expansion coefficient [1/˚C] | 24*10−6 | 12*10−6 |
Oxides | Al2O3 | FeO Fe2O3 Fe3O4 |
Melting point of the oxides [˚C] | ≈2050 | ≈1400 ≈1455 ≈1600 |
Thermal conductivity [W/mK] | 235 | 78 |