705.0 Aluminum vs. AISI 310S Stainless Steel
705.0 aluminum belongs to the aluminum alloys classification, while AISI 310S stainless steel belongs to the iron alloys. There are 30 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown. Please note that the two materials have significantly dissimilar densities. This means that additional care is required when interpreting the data, because some material properties are based on units of mass, while others are based on units of area or volume.
For each property being compared, the top bar is 705.0 aluminum and the bottom bar is AISI 310S stainless steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Brinell Hardness | 62 to 65 | |
| 170 to 210 |
| Elastic (Young's, Tensile) Modulus, GPa | 69 | |
| 200 |
| Elongation at Break, % | 8.4 to 10 | |
| 34 to 44 |
| Fatigue Strength, MPa | 63 to 98 | |
| 250 to 280 |
| Poisson's Ratio | 0.33 | |
| 0.27 |
| Shear Modulus, GPa | 26 | |
| 79 |
| Tensile Strength: Ultimate (UTS), MPa | 240 to 260 | |
| 600 to 710 |
| Tensile Strength: Yield (Proof), MPa | 130 | |
| 270 to 350 |
Thermal Properties
| Latent Heat of Fusion, J/g | 390 | |
| 310 |
| Maximum Temperature: Mechanical, °C | 180 | |
| 1100 |
| Melting Completion (Liquidus), °C | 640 | |
| 1450 |
| Melting Onset (Solidus), °C | 610 | |
| 1400 |
| Specific Heat Capacity, J/kg-K | 890 | |
| 480 |
| Thermal Conductivity, W/m-K | 140 | |
| 16 |
| Thermal Expansion, µm/m-K | 24 | |
| 16 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 34 | |
| 2.0 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 110 | |
| 2.3 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 9.5 | |
| 25 |
| Density, g/cm3 | 2.8 | |
| 7.9 |
| Embodied Carbon, kg CO2/kg material | 8.4 | |
| 4.3 |
| Embodied Energy, MJ/kg | 150 | |
| 61 |
| Embodied Water, L/kg | 1170 | |
| 190 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 18 to 20 | |
| 200 to 220 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 120 to 130 | |
| 190 to 310 |
| Stiffness to Weight: Axial, points | 14 | |
| 14 |
| Stiffness to Weight: Bending, points | 49 | |
| 25 |
| Strength to Weight: Axial, points | 24 to 26 | |
| 21 to 25 |
| Strength to Weight: Bending, points | 31 to 32 | |
| 20 to 22 |
| Thermal Diffusivity, mm2/s | 55 | |
| 4.1 |
| Thermal Shock Resistance, points | 11 | |
| 14 to 16 |
Alloy Composition
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| Aluminum (Al), % | 92.3 to 98.6 | |
| 0 |
| Carbon (C), % | 0 | |
| 0 to 0.080 |
| Chromium (Cr), % | 0 to 0.4 | |
| 24 to 26 |
| Copper (Cu), % | 0 to 0.2 | |
| 0 |
| Iron (Fe), % | 0 to 0.8 | |
| 48.3 to 57 |
| Magnesium (Mg), % | 1.4 to 1.8 | |
| 0 |
| Manganese (Mn), % | 0 to 0.6 | |
| 0 to 2.0 |
| Nickel (Ni), % | 0 | |
| 19 to 22 |
| Phosphorus (P), % | 0 | |
| 0 to 0.045 |
| Silicon (Si), % | 0 to 0.2 | |
| 0 to 1.5 |
| Sulfur (S), % | 0 | |
| 0 to 0.030 |
| Titanium (Ti), % | 0 to 0.25 | |
| 0 |
| Zinc (Zn), % | 0 to 3.3 | |
| 0 |
| Residuals, % | 0 to 0.15 | |
| 0 |