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8011A Aluminum vs. ACI-ASTM CD4MCuN Steel

8011A aluminum belongs to the aluminum alloys classification, while ACI-ASTM CD4MCuN steel belongs to the iron alloys. There are 29 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 8011A aluminum and the bottom bar is ACI-ASTM CD4MCuN steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 69
200
Elongation at Break, % 1.7 to 28
18
Fatigue Strength, MPa 33 to 76
340
Poisson's Ratio 0.33
0.27
Shear Modulus, GPa 26
79
Tensile Strength: Ultimate (UTS), MPa 100 to 180
770
Tensile Strength: Yield (Proof), MPa 34 to 170
550

Thermal Properties

Latent Heat of Fusion, J/g 400
300
Maximum Temperature: Mechanical, °C 170
1100
Melting Completion (Liquidus), °C 650
1420
Melting Onset (Solidus), °C 630
1380
Specific Heat Capacity, J/kg-K 900
480
Thermal Conductivity, W/m-K 210
17
Thermal Expansion, µm/m-K 23
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 56
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 180
2.5

Otherwise Unclassified Properties

Base Metal Price, % relative 9.0
18
Density, g/cm3 2.7
7.8
Embodied Carbon, kg CO2/kg material 8.2
3.5
Embodied Energy, MJ/kg 150
49
Embodied Water, L/kg 1180
180

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 3.0 to 22
130
Resilience: Unit (Modulus of Resilience), kJ/m3 8.2 to 200
760
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 50
25
Strength to Weight: Axial, points 11 to 18
28
Strength to Weight: Bending, points 18 to 26
24
Thermal Diffusivity, mm2/s 86
4.5
Thermal Shock Resistance, points 4.6 to 8.1
21

Alloy Composition

Aluminum (Al), % 97.5 to 99.1
0
Carbon (C), % 0
0 to 0.040
Chromium (Cr), % 0 to 0.1
24.5 to 26.5
Copper (Cu), % 0 to 0.1
2.7 to 3.3
Iron (Fe), % 0.5 to 1.0
59.5 to 66.3
Magnesium (Mg), % 0 to 0.1
0
Manganese (Mn), % 0 to 0.1
0 to 1.0
Molybdenum (Mo), % 0
1.7 to 2.3
Nickel (Ni), % 0
4.7 to 6.0
Nitrogen (N), % 0
0.1 to 0.25
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 0.4 to 0.8
0 to 1.0
Sulfur (S), % 0
0 to 0.040
Titanium (Ti), % 0 to 0.050
0
Zinc (Zn), % 0 to 0.1
0
Residuals, % 0 to 0.15
0