EN 1.4525 Stainless Steel vs. 7010 Aluminum
EN 1.4525 stainless steel belongs to the iron alloys classification, while 7010 aluminum belongs to the aluminum alloys. There are 29 material properties with values for both materials. Properties with values for just one material (3, 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 1.4525 stainless steel and the bottom bar is 7010 aluminum.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 190 | |
| 70 |
| Elongation at Break, % | 5.6 to 13 | |
| 3.9 to 6.8 |
| Fatigue Strength, MPa | 480 to 540 | |
| 160 to 190 |
| Poisson's Ratio | 0.28 | |
| 0.32 |
| Shear Modulus, GPa | 76 | |
| 26 |
| Tensile Strength: Ultimate (UTS), MPa | 1030 to 1250 | |
| 520 to 590 |
| Tensile Strength: Yield (Proof), MPa | 840 to 1120 | |
| 410 to 540 |
Thermal Properties
| Latent Heat of Fusion, J/g | 280 | |
| 380 |
| Maximum Temperature: Mechanical, °C | 860 | |
| 200 |
| Melting Completion (Liquidus), °C | 1430 | |
| 630 |
| Melting Onset (Solidus), °C | 1390 | |
| 480 |
| Specific Heat Capacity, J/kg-K | 480 | |
| 860 |
| Thermal Conductivity, W/m-K | 18 | |
| 150 |
| Thermal Expansion, µm/m-K | 11 | |
| 24 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 2.2 | |
| 40 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 2.6 | |
| 120 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 13 | |
| 10 |
| Density, g/cm3 | 7.8 | |
| 3.0 |
| Embodied Carbon, kg CO2/kg material | 2.8 | |
| 8.3 |
| Embodied Energy, MJ/kg | 39 | |
| 150 |
| Embodied Water, L/kg | 130 | |
| 1120 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 68 to 130 | |
| 22 to 33 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 1820 to 3230 | |
| 1230 to 2130 |
| Stiffness to Weight: Axial, points | 14 | |
| 13 |
| Stiffness to Weight: Bending, points | 25 | |
| 45 |
| Strength to Weight: Axial, points | 36 to 45 | |
| 47 to 54 |
| Strength to Weight: Bending, points | 29 to 33 | |
| 47 to 52 |
| Thermal Diffusivity, mm2/s | 4.7 | |
| 58 |
| Thermal Shock Resistance, points | 34 to 41 | |
| 22 to 26 |
Alloy Composition
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| Aluminum (Al), % | 0 | |
| 87.9 to 90.6 |
| Carbon (C), % | 0 to 0.070 | |
| 0 |
| Chromium (Cr), % | 15 to 17 | |
| 0 to 0.050 |
| Copper (Cu), % | 2.5 to 4.0 | |
| 1.5 to 2.0 |
| Iron (Fe), % | 70.4 to 79 | |
| 0 to 0.15 |
| Magnesium (Mg), % | 0 | |
| 2.1 to 2.6 |
| Manganese (Mn), % | 0 to 1.0 | |
| 0 to 0.1 |
| Molybdenum (Mo), % | 0 to 0.8 | |
| 0 |
| Nickel (Ni), % | 3.5 to 5.5 | |
| 0 to 0.050 |
| Niobium (Nb), % | 0 to 0.35 | |
| 0 |
| Nitrogen (N), % | 0 to 0.050 | |
| 0 |
| Phosphorus (P), % | 0 to 0.035 | |
| 0 |
| Silicon (Si), % | 0 to 0.8 | |
| 0 to 0.12 |
| Sulfur (S), % | 0 to 0.025 | |
| 0 |
| Titanium (Ti), % | 0 | |
| 0 to 0.060 |
| Zinc (Zn), % | 0 | |
| 5.7 to 6.7 |
| Zirconium (Zr), % | 0 | |
| 0.1 to 0.16 |
| Residuals, % | 0 | |
| 0 to 0.15 |