Performance comparison among common metal materials
Performance comparison of common metal materialsendurance quality
| Material of metal envelope panel | Coated steel plateG300 | Aluminium-magnesium-manganese alloy3004, H44 | Austenitic stainless steel304 | Ferritic stainless steelB445R | Zinc alloy plate(Titanium-zinc plates) |
| Yield strength, N/mm2 | 300 | 170 | 205 | 325 | 120 |
| Tensile strength, N/mm2 | 380 | 220 | 515 | 500 | 150 |
| Elongation at break, Lo=80mm, % | 18 | 4 | 40 | 30 | |
| Mass density, kg/m3 | 7850 | 2700 | 7930 | 7690 | 7180 |
| Linear expansion coefficient (calculated per ℃) | 1.20x10-5 | 2.35x10-5 | 1.73x10-5 | 1.01x10-5 | 2.20x10-5 |
| Heat conductivity, w/(m.k) | 45 | 210 | 16.2 | 22.5 | 110 |
| Melting point, ℃ | 1600 | 660 | 1450 | 1500 | 418 |
| Relative reference service life, Yr | 20 | 45 | 80 | 80 | 100 |