EN AC-43500 Aluminum vs. S17600 Stainless Steel
EN AC-43500 aluminum belongs to the aluminum alloys classification, while S17600 stainless steel belongs to the iron alloys. There are 30 material properties with values for both materials. Properties with values for just one material (5, 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 EN AC-43500 aluminum and the bottom bar is S17600 stainless steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Brinell Hardness | 68 to 91 | |
| 270 to 410 |
| Elastic (Young's, Tensile) Modulus, GPa | 72 | |
| 200 |
| Elongation at Break, % | 4.5 to 13 | |
| 8.6 to 11 |
| Fatigue Strength, MPa | 62 to 100 | |
| 300 to 680 |
| Poisson's Ratio | 0.33 | |
| 0.28 |
| Shear Modulus, GPa | 27 | |
| 76 |
| Tensile Strength: Ultimate (UTS), MPa | 220 to 300 | |
| 940 to 1490 |
| Tensile Strength: Yield (Proof), MPa | 140 to 170 | |
| 580 to 1310 |
Thermal Properties
| Latent Heat of Fusion, J/g | 550 | |
| 290 |
| Maximum Temperature: Mechanical, °C | 170 | |
| 890 |
| Melting Completion (Liquidus), °C | 600 | |
| 1430 |
| Melting Onset (Solidus), °C | 590 | |
| 1390 |
| Specific Heat Capacity, J/kg-K | 900 | |
| 480 |
| Thermal Conductivity, W/m-K | 140 | |
| 15 |
| Thermal Expansion, µm/m-K | 22 | |
| 11 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 38 | |
| 2.3 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 130 | |
| 2.7 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 9.5 | |
| 13 |
| Density, g/cm3 | 2.6 | |
| 7.8 |
| Embodied Carbon, kg CO2/kg material | 7.8 | |
| 2.9 |
| Embodied Energy, MJ/kg | 150 | |
| 42 |
| Embodied Water, L/kg | 1070 | |
| 130 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 12 to 26 | |
| 70 to 150 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 130 to 200 | |
| 850 to 4390 |
| Stiffness to Weight: Axial, points | 16 | |
| 14 |
| Stiffness to Weight: Bending, points | 54 | |
| 25 |
| Strength to Weight: Axial, points | 24 to 33 | |
| 34 to 54 |
| Strength to Weight: Bending, points | 32 to 39 | |
| 28 to 37 |
| Thermal Diffusivity, mm2/s | 60 | |
| 4.1 |
| Thermal Shock Resistance, points | 10 to 14 | |
| 31 to 50 |
Alloy Composition
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| Aluminum (Al), % | 86.4 to 90.5 | |
| 0 to 0.4 |
| Carbon (C), % | 0 | |
| 0 to 0.080 |
| Chromium (Cr), % | 0 | |
| 16 to 17.5 |
| Copper (Cu), % | 0 to 0.050 | |
| 0 |
| Iron (Fe), % | 0 to 0.25 | |
| 71.3 to 77.6 |
| Magnesium (Mg), % | 0.1 to 0.6 | |
| 0 |
| Manganese (Mn), % | 0.4 to 0.8 | |
| 0 to 1.0 |
| Nickel (Ni), % | 0 | |
| 6.0 to 7.5 |
| Phosphorus (P), % | 0 | |
| 0 to 0.040 |
| Silicon (Si), % | 9.0 to 11.5 | |
| 0 to 1.0 |
| Sulfur (S), % | 0 | |
| 0 to 0.030 |
| Titanium (Ti), % | 0 to 0.2 | |
| 0.4 to 1.2 |
| Zinc (Zn), % | 0 to 0.070 | |
| 0 |
| Residuals, % | 0 to 0.15 | |
| 0 |