ACI-ASTM CN7MS Steel vs. 5154 Aluminum
ACI-ASTM CN7MS steel belongs to the iron alloys classification, while 5154 aluminum belongs to the aluminum alloys. There are 27 material properties with values for both materials. Properties with values for just one material (7, 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 ACI-ASTM CN7MS steel and the bottom bar is 5154 aluminum.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 200 | |
| 68 |
| Elongation at Break, % | 39 | |
| 3.4 to 20 |
| Fatigue Strength, MPa | 200 | |
| 100 to 160 |
| Poisson's Ratio | 0.28 | |
| 0.33 |
| Shear Modulus, GPa | 77 | |
| 26 |
| Tensile Strength: Ultimate (UTS), MPa | 540 | |
| 240 to 360 |
| Tensile Strength: Yield (Proof), MPa | 230 | |
| 94 to 270 |
Thermal Properties
| Latent Heat of Fusion, J/g | 340 | |
| 400 |
| Maximum Temperature: Mechanical, °C | 1040 | |
| 190 |
| Melting Completion (Liquidus), °C | 1400 | |
| 640 |
| Melting Onset (Solidus), °C | 1350 | |
| 590 |
| Specific Heat Capacity, J/kg-K | 480 | |
| 900 |
| Thermal Conductivity, W/m-K | 12 | |
| 130 |
| Thermal Expansion, µm/m-K | 16 | |
| 24 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 28 | |
| 9.5 |
| Density, g/cm3 | 7.9 | |
| 2.7 |
| Embodied Carbon, kg CO2/kg material | 5.1 | |
| 8.8 |
| Embodied Energy, MJ/kg | 71 | |
| 150 |
| Embodied Water, L/kg | 180 | |
| 1180 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 170 | |
| 11 to 39 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 140 | |
| 64 to 540 |
| Stiffness to Weight: Axial, points | 14 | |
| 14 |
| Stiffness to Weight: Bending, points | 25 | |
| 51 |
| Strength to Weight: Axial, points | 19 | |
| 25 to 37 |
| Strength to Weight: Bending, points | 19 | |
| 32 to 42 |
| Thermal Diffusivity, mm2/s | 3.2 | |
| 52 |
| Thermal Shock Resistance, points | 13 | |
| 10 to 16 |
Alloy Composition
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| Aluminum (Al), % | 0 | |
| 94.4 to 96.8 |
| Carbon (C), % | 0 to 0.070 | |
| 0 |
| Chromium (Cr), % | 18 to 20 | |
| 0.15 to 0.35 |
| Copper (Cu), % | 1.5 to 2.0 | |
| 0 to 0.1 |
| Iron (Fe), % | 45.4 to 53.5 | |
| 0 to 0.4 |
| Magnesium (Mg), % | 0 | |
| 3.1 to 3.9 |
| Manganese (Mn), % | 0 to 1.0 | |
| 0 to 0.1 |
| Molybdenum (Mo), % | 2.5 to 3.0 | |
| 0 |
| Nickel (Ni), % | 22 to 25 | |
| 0 |
| Phosphorus (P), % | 0 to 0.040 | |
| 0 |
| Silicon (Si), % | 2.5 to 3.5 | |
| 0 to 0.25 |
| Sulfur (S), % | 0 to 0.030 | |
| 0 |
| Titanium (Ti), % | 0 | |
| 0 to 0.2 |
| Zinc (Zn), % | 0 | |
| 0 to 0.2 |
| Residuals, % | 0 | |
| 0 to 0.15 |