ACI-ASTM CF3MN Steel vs. 204.0 Aluminum
ACI-ASTM CF3MN steel belongs to the iron alloys classification, while 204.0 aluminum belongs to the aluminum alloys. There are 30 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 ACI-ASTM CF3MN steel and the bottom bar is 204.0 aluminum.
Metric UnitsUS Customary Units
Mechanical Properties
| Brinell Hardness | 170 | |
| 90 to 120 |
| Elastic (Young's, Tensile) Modulus, GPa | 200 | |
| 71 |
| Elongation at Break, % | 39 | |
| 5.7 to 7.8 |
| Fatigue Strength, MPa | 250 | |
| 63 to 77 |
| Poisson's Ratio | 0.28 | |
| 0.33 |
| Shear Modulus, GPa | 78 | |
| 27 |
| Tensile Strength: Ultimate (UTS), MPa | 580 | |
| 230 to 340 |
| Tensile Strength: Yield (Proof), MPa | 290 | |
| 180 to 220 |
Thermal Properties
| Latent Heat of Fusion, J/g | 300 | |
| 390 |
| Maximum Temperature: Mechanical, °C | 1010 | |
| 170 |
| Melting Completion (Liquidus), °C | 1440 | |
| 650 |
| Melting Onset (Solidus), °C | 1390 | |
| 580 |
| Specific Heat Capacity, J/kg-K | 480 | |
| 880 |
| Thermal Conductivity, W/m-K | 15 | |
| 120 |
| Thermal Expansion, µm/m-K | 16 | |
| 19 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 2.1 | |
| 29 to 34 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 2.4 | |
| 87 to 100 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 19 | |
| 11 |
| Density, g/cm3 | 7.8 | |
| 3.0 |
| Embodied Carbon, kg CO2/kg material | 3.9 | |
| 8.0 |
| Embodied Energy, MJ/kg | 53 | |
| 150 |
| Embodied Water, L/kg | 160 | |
| 1150 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 190 | |
| 12 to 23 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 210 | |
| 220 to 350 |
| Stiffness to Weight: Axial, points | 14 | |
| 13 |
| Stiffness to Weight: Bending, points | 25 | |
| 46 |
| Strength to Weight: Axial, points | 20 | |
| 21 to 31 |
| Strength to Weight: Bending, points | 20 | |
| 28 to 36 |
| Thermal Diffusivity, mm2/s | 4.1 | |
| 46 |
| Thermal Shock Resistance, points | 13 | |
| 12 to 18 |
Alloy Composition
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| Aluminum (Al), % | 0 | |
| 93.4 to 95.5 |
| Carbon (C), % | 0 to 0.030 | |
| 0 |
| Chromium (Cr), % | 17 to 22 | |
| 0 |
| Copper (Cu), % | 0 | |
| 4.2 to 5.0 |
| Iron (Fe), % | 58.7 to 71.9 | |
| 0 to 0.35 |
| Magnesium (Mg), % | 0 | |
| 0.15 to 0.35 |
| Manganese (Mn), % | 0 to 1.5 | |
| 0 to 0.1 |
| Molybdenum (Mo), % | 2.0 to 3.0 | |
| 0 |
| Nickel (Ni), % | 9.0 to 13 | |
| 0 to 0.050 |
| Nitrogen (N), % | 0.1 to 0.2 | |
| 0 |
| Phosphorus (P), % | 0 to 0.040 | |
| 0 |
| Silicon (Si), % | 0 to 1.5 | |
| 0 to 0.2 |
| Sulfur (S), % | 0 to 0.040 | |
| 0 |
| Tin (Sn), % | 0 | |
| 0 to 0.050 |
| Titanium (Ti), % | 0 | |
| 0.15 to 0.3 |
| Zinc (Zn), % | 0 | |
| 0 to 0.1 |
| Residuals, % | 0 | |
| 0 to 0.15 |