C355.0 Aluminum vs. SAE-AISI 1074 Steel
C355.0 aluminum belongs to the aluminum alloys classification, while SAE-AISI 1074 steel belongs to the iron 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 C355.0 aluminum and the bottom bar is SAE-AISI 1074 steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Brinell Hardness | 86 to 90 | |
| 220 to 250 |
| Elastic (Young's, Tensile) Modulus, GPa | 70 | |
| 190 |
| Elongation at Break, % | 2.7 to 3.8 | |
| 11 to 14 |
| Fatigue Strength, MPa | 76 to 84 | |
| 290 to 350 |
| Poisson's Ratio | 0.33 | |
| 0.29 |
| Shear Modulus, GPa | 26 | |
| 72 |
| Tensile Strength: Ultimate (UTS), MPa | 290 to 310 | |
| 740 to 820 |
| Tensile Strength: Yield (Proof), MPa | 200 to 230 | |
| 450 to 570 |
Thermal Properties
| Latent Heat of Fusion, J/g | 470 | |
| 250 |
| Maximum Temperature: Mechanical, °C | 170 | |
| 400 |
| Melting Completion (Liquidus), °C | 620 | |
| 1460 |
| Melting Onset (Solidus), °C | 570 | |
| 1420 |
| Specific Heat Capacity, J/kg-K | 900 | |
| 470 |
| Thermal Conductivity, W/m-K | 150 | |
| 50 |
| Thermal Expansion, µm/m-K | 22 | |
| 12 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 39 | |
| 7.1 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 130 | |
| 8.1 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 9.5 | |
| 1.8 |
| Density, g/cm3 | 2.7 | |
| 7.8 |
| Embodied Carbon, kg CO2/kg material | 8.0 | |
| 1.4 |
| Embodied Energy, MJ/kg | 150 | |
| 19 |
| Embodied Water, L/kg | 1120 | |
| 46 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 7.5 to 9.8 | |
| 77 to 94 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 290 to 380 | |
| 550 to 860 |
| Stiffness to Weight: Axial, points | 14 | |
| 13 |
| Stiffness to Weight: Bending, points | 51 | |
| 24 |
| Strength to Weight: Axial, points | 30 to 32 | |
| 26 to 29 |
| Strength to Weight: Bending, points | 36 to 37 | |
| 23 to 25 |
| Thermal Diffusivity, mm2/s | 60 | |
| 14 |
| Thermal Shock Resistance, points | 13 to 14 | |
| 24 to 26 |
Alloy Composition
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| Aluminum (Al), % | 91.7 to 94.1 | |
| 0 |
| Carbon (C), % | 0 | |
| 0.7 to 0.8 |
| Copper (Cu), % | 1.0 to 1.5 | |
| 0 |
| Iron (Fe), % | 0 to 0.2 | |
| 98.3 to 98.8 |
| Magnesium (Mg), % | 0.4 to 0.6 | |
| 0 |
| Manganese (Mn), % | 0 to 0.1 | |
| 0.5 to 0.8 |
| Phosphorus (P), % | 0 | |
| 0 to 0.040 |
| Silicon (Si), % | 4.5 to 5.5 | |
| 0 |
| Sulfur (S), % | 0 | |
| 0 to 0.050 |
| Titanium (Ti), % | 0 to 0.2 | |
| 0 |
| Zinc (Zn), % | 0 to 0.1 | |
| 0 |
| Residuals, % | 0 to 0.15 | |
| 0 |