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ACI-ASTM CE30 Steel vs. 2011 Aluminum

ACI-ASTM CE30 steel belongs to the iron alloys classification, while 2011 aluminum belongs to the aluminum alloys. There are 29 material properties with values for both materials. Properties with values for just one material (4, 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 CE30 steel and the bottom bar is 2011 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
71
Elongation at Break, % 11
8.5 to 18
Fatigue Strength, MPa 170
74 to 120
Poisson's Ratio 0.27
0.33
Shear Modulus, GPa 79
27
Tensile Strength: Ultimate (UTS), MPa 630
310 to 420
Tensile Strength: Yield (Proof), MPa 310
140 to 310

Thermal Properties

Latent Heat of Fusion, J/g 310
390
Maximum Temperature: Mechanical, °C 1100
190
Melting Completion (Liquidus), °C 1410
640
Melting Onset (Solidus), °C 1360
540
Specific Heat Capacity, J/kg-K 490
870
Thermal Conductivity, W/m-K 14
140 to 170
Thermal Expansion, µm/m-K 17
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.1
35 to 45
Electrical Conductivity: Equal Weight (Specific), % IACS 2.4
100 to 130

Otherwise Unclassified Properties

Base Metal Price, % relative 19
11
Density, g/cm3 7.7
3.1
Embodied Carbon, kg CO2/kg material 3.4
7.9
Embodied Energy, MJ/kg 49
150
Embodied Water, L/kg 180
1150

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 59
29 to 52
Resilience: Unit (Modulus of Resilience), kJ/m3 240
140 to 680
Stiffness to Weight: Axial, points 15
13
Stiffness to Weight: Bending, points 25
44
Strength to Weight: Axial, points 23
27 to 37
Strength to Weight: Bending, points 21
32 to 40
Thermal Diffusivity, mm2/s 3.6
51 to 64
Thermal Shock Resistance, points 13
14 to 19

Alloy Composition

Aluminum (Al), % 0
91.3 to 94.6
Bismuth (Bi), % 0
0.2 to 0.6
Carbon (C), % 0 to 0.3
0
Chromium (Cr), % 26 to 30
0
Copper (Cu), % 0
5.0 to 6.0
Iron (Fe), % 55.1 to 66
0 to 0.7
Lead (Pb), % 0
0.2 to 0.6
Manganese (Mn), % 0 to 1.5
0
Nickel (Ni), % 8.0 to 11
0
Phosphorus (P), % 0 to 0.040
0
Silicon (Si), % 0 to 2.0
0 to 0.4
Sulfur (S), % 0 to 0.040
0
Zinc (Zn), % 0
0 to 0.3
Residuals, % 0
0 to 0.15