ASTM A283 Carbon Steel vs. 7050 Aluminum
ASTM A283 carbon steel belongs to the iron alloys classification, while 7050 aluminum belongs to the aluminum alloys. There are 30 material properties with values for both materials. Properties with values for just one material (1, 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 ASTM A283 carbon steel and the bottom bar is 7050 aluminum.
Metric UnitsUS Customary Units
Mechanical Properties
Elastic (Young's, Tensile) Modulus, GPa | 190 | |
70 |
Elongation at Break, % | 26 to 34 | |
2.2 to 12 |
Fatigue Strength, MPa | 150 to 190 | |
130 to 210 |
Poisson's Ratio | 0.29 | |
0.32 |
Shear Modulus, GPa | 73 | |
26 |
Shear Strength, MPa | 240 to 310 | |
280 to 330 |
Tensile Strength: Ultimate (UTS), MPa | 360 to 480 | |
490 to 570 |
Tensile Strength: Yield (Proof), MPa | 180 to 260 | |
390 to 500 |
Thermal Properties
Latent Heat of Fusion, J/g | 250 | |
370 |
Maximum Temperature: Mechanical, °C | 400 | |
190 |
Melting Completion (Liquidus), °C | 1460 | |
630 |
Melting Onset (Solidus), °C | 1420 | |
490 |
Specific Heat Capacity, J/kg-K | 470 | |
860 |
Thermal Conductivity, W/m-K | 51 to 53 | |
140 |
Thermal Expansion, µm/m-K | 12 | |
24 |
Electrical Properties
Electrical Conductivity: Equal Volume, % IACS | 7.1 | |
35 |
Electrical Conductivity: Equal Weight (Specific), % IACS | 8.1 | |
100 |
Otherwise Unclassified Properties
Base Metal Price, % relative | 1.8 | |
10 |
Density, g/cm3 | 7.8 to 7.9 | |
3.1 |
Embodied Carbon, kg CO2/kg material | 1.4 | |
8.2 |
Embodied Energy, MJ/kg | 18 | |
150 |
Embodied Water, L/kg | 46 | |
1120 |
Common Calculations
Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 100 to 110 | |
10 to 55 |
Resilience: Unit (Modulus of Resilience), kJ/m3 | 91 to 180 | |
1110 to 1760 |
Stiffness to Weight: Axial, points | 13 | |
13 |
Stiffness to Weight: Bending, points | 24 | |
45 |
Strength to Weight: Axial, points | 13 to 17 | |
45 to 51 |
Strength to Weight: Bending, points | 14 to 17 | |
45 to 50 |
Thermal Diffusivity, mm2/s | 14 | |
54 |
Thermal Shock Resistance, points | 11 to 15 | |
21 to 25 |