PHYSICAL CHARACTERISTICS OF STEEL
SUS410 | SUS405 | SUS444 | SUS304 | SUS316 | Mild Steel | ||
Density (g/cm3) | 7.75 | 7.75 | 7.75 | 7.93 | 7.98 | 7.85 | |
Electric resistance (mΩ.cm) | 57 | 61 | 60 | 72 | 74 | 16 | |
Magnetism (Annealed material) | Yes | Yes | Yes | Yes | Yes | Yes | |
Specific heat (J/kg˚C) | 460 | 502 | 460 | 502 | 502 | 460 | |
Thermal conductivity (W/m.˚C) |
100˚C | 24.9 | 25.1 | 25.9 | 16.3 | 16.3 | 57.7 |
500˚C | 28.7 | - | - | 21.5 | 21.5 | 41.0 | |
Thermal expansion coefficient (x10-6/˚C) |
0 ~ 100˚C | 9.9 | 11.0 | 10.6 | 17.3 | 16.0 | 11.7 |
0 ~ 650˚C | 11.7 | 13.5 | 11.5 | 18.9 | 18.5 | 14.6 | |
Young's modulus x 103 (kgf/mm2) | 20.4 | 20.4 | 20.4 | 19.7 | 19.7 | 21.0 | |
Yield strength (kgf/mm2) | 40 | 40 | 37 | 26 | 27 | 32 | |
Tensile strength (kgf/mm2) | 62 | 56 | 53 | 57 | 57 | 47 | |
Elongation (%) | 25 | 31 | 35 | 58 | 57 | 31 | |
Hardness (HB) | 175 | 156 | 160 | 153 | 148 | 141 |