ACI-ASTM CN7M Steel vs. 6110A Aluminum
ACI-ASTM CN7M steel belongs to the iron alloys classification, while 6110A aluminum belongs to the aluminum alloys. There are 29 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 ACI-ASTM CN7M steel and the bottom bar is 6110A aluminum.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 200 | |
| 70 |
| Elongation at Break, % | 44 | |
| 11 to 18 |
| Fatigue Strength, MPa | 190 | |
| 140 to 210 |
| Poisson's Ratio | 0.28 | |
| 0.33 |
| Shear Modulus, GPa | 77 | |
| 26 |
| Tensile Strength: Ultimate (UTS), MPa | 480 | |
| 360 to 470 |
| Tensile Strength: Yield (Proof), MPa | 200 | |
| 250 to 430 |
Thermal Properties
| Latent Heat of Fusion, J/g | 310 | |
| 410 |
| Maximum Temperature: Mechanical, °C | 1100 | |
| 190 |
| Melting Completion (Liquidus), °C | 1410 | |
| 650 |
| Melting Onset (Solidus), °C | 1450 | |
| 600 |
| Specific Heat Capacity, J/kg-K | 470 | |
| 900 |
| Thermal Conductivity, W/m-K | 21 | |
| 160 |
| Thermal Expansion, µm/m-K | 15 | |
| 23 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 1.6 | |
| 42 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 1.8 | |
| 140 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 32 | |
| 9.5 |
| Density, g/cm3 | 8.1 | |
| 2.8 |
| Embodied Carbon, kg CO2/kg material | 5.6 | |
| 8.4 |
| Embodied Energy, MJ/kg | 78 | |
| 150 |
| Embodied Water, L/kg | 210 | |
| 1170 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 170 | |
| 47 to 58 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 110 | |
| 450 to 1300 |
| Stiffness to Weight: Axial, points | 14 | |
| 14 |
| Stiffness to Weight: Bending, points | 24 | |
| 50 |
| Strength to Weight: Axial, points | 17 | |
| 36 to 47 |
| Strength to Weight: Bending, points | 17 | |
| 41 to 48 |
| Thermal Diffusivity, mm2/s | 5.6 | |
| 65 |
| Thermal Shock Resistance, points | 12 | |
| 16 to 21 |
Alloy Composition
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| Aluminum (Al), % | 0 | |
| 94.8 to 98 |
| Carbon (C), % | 0 to 0.070 | |
| 0 |
| Chromium (Cr), % | 19 to 22 | |
| 0.050 to 0.25 |
| Copper (Cu), % | 3.0 to 4.0 | |
| 0.3 to 0.8 |
| Iron (Fe), % | 37.4 to 48.5 | |
| 0 to 0.5 |
| Magnesium (Mg), % | 0 | |
| 0.7 to 1.1 |
| Manganese (Mn), % | 0 to 1.5 | |
| 0.3 to 0.9 |
| Molybdenum (Mo), % | 2.0 to 3.0 | |
| 0 |
| Nickel (Ni), % | 27.5 to 30.5 | |
| 0 |
| Phosphorus (P), % | 0 to 0.040 | |
| 0 |
| Silicon (Si), % | 0 to 1.5 | |
| 0.7 to 1.1 |
| Sulfur (S), % | 0 to 0.040 | |
| 0 |
| Titanium (Ti), % | 0 | |
| 0 to 0.2 |
| Zinc (Zn), % | 0 | |
| 0 to 0.2 |
| Zirconium (Zr), % | 0 | |
| 0 to 0.2 |
| Residuals, % | 0 | |
| 0 to 0.15 |