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8011A Aluminum vs. ACI-ASTM CB30 Steel

8011A aluminum belongs to the aluminum alloys classification, while ACI-ASTM CB30 steel belongs to the iron alloys. There are 27 material properties with values for both materials. Properties with values for just one material (5, 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 CB30 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 25 to 50
210
Elastic (Young's, Tensile) Modulus, GPa 69
200
Poisson's Ratio 0.33
0.28
Shear Modulus, GPa 26
77
Tensile Strength: Ultimate (UTS), MPa 100 to 180
500
Tensile Strength: Yield (Proof), MPa 34 to 170
230

Thermal Properties

Latent Heat of Fusion, J/g 400
290
Maximum Temperature: Mechanical, °C 170
940
Melting Completion (Liquidus), °C 650
1430
Melting Onset (Solidus), °C 630
1380
Specific Heat Capacity, J/kg-K 900
480
Thermal Conductivity, W/m-K 210
21
Thermal Expansion, µm/m-K 23
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 56
2.5
Electrical Conductivity: Equal Weight (Specific), % IACS 180
3.0

Otherwise Unclassified Properties

Base Metal Price, % relative 9.0
10
Density, g/cm3 2.7
7.7
Embodied Carbon, kg CO2/kg material 8.2
2.3
Embodied Energy, MJ/kg 150
33
Embodied Water, L/kg 1180
130

Common Calculations

Resilience: Unit (Modulus of Resilience), kJ/m3 8.2 to 200
140
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 50
25
Strength to Weight: Axial, points 11 to 18
18
Strength to Weight: Bending, points 18 to 26
18
Thermal Diffusivity, mm2/s 86
5.6
Thermal Shock Resistance, points 4.6 to 8.1
17

Alloy Composition

Aluminum (Al), % 97.5 to 99.1
0
Carbon (C), % 0
0 to 0.3
Chromium (Cr), % 0 to 0.1
18 to 21
Copper (Cu), % 0 to 0.1
0 to 1.2
Iron (Fe), % 0.5 to 1.0
72.9 to 82
Magnesium (Mg), % 0 to 0.1
0
Manganese (Mn), % 0 to 0.1
0 to 1.0
Nickel (Ni), % 0
0 to 2.0
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 0.4 to 0.8
0 to 1.5
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