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7010 Aluminum vs. ACI-ASTM CE30 Steel

7010 aluminum belongs to the aluminum alloys classification, while ACI-ASTM CE30 steel belongs to the iron 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 7010 aluminum and the bottom bar is ACI-ASTM CE30 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 70
200
Elongation at Break, % 3.9 to 6.8
11
Fatigue Strength, MPa 160 to 190
170
Poisson's Ratio 0.32
0.27
Shear Modulus, GPa 26
79
Tensile Strength: Ultimate (UTS), MPa 520 to 590
630
Tensile Strength: Yield (Proof), MPa 410 to 540
310

Thermal Properties

Latent Heat of Fusion, J/g 380
310
Maximum Temperature: Mechanical, °C 200
1100
Melting Completion (Liquidus), °C 630
1410
Melting Onset (Solidus), °C 480
1360
Specific Heat Capacity, J/kg-K 860
490
Thermal Conductivity, W/m-K 150
14
Thermal Expansion, µm/m-K 24
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 40
2.1
Electrical Conductivity: Equal Weight (Specific), % IACS 120
2.4

Otherwise Unclassified Properties

Base Metal Price, % relative 10
19
Density, g/cm3 3.0
7.7
Embodied Carbon, kg CO2/kg material 8.3
3.4
Embodied Energy, MJ/kg 150
49
Embodied Water, L/kg 1120
180

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 22 to 33
59
Resilience: Unit (Modulus of Resilience), kJ/m3 1230 to 2130
240
Stiffness to Weight: Axial, points 13
15
Stiffness to Weight: Bending, points 45
25
Strength to Weight: Axial, points 47 to 54
23
Strength to Weight: Bending, points 47 to 52
21
Thermal Diffusivity, mm2/s 58
3.6
Thermal Shock Resistance, points 22 to 26
13

Alloy Composition

Aluminum (Al), % 87.9 to 90.6
0
Carbon (C), % 0
0 to 0.3
Chromium (Cr), % 0 to 0.050
26 to 30
Copper (Cu), % 1.5 to 2.0
0
Iron (Fe), % 0 to 0.15
55.1 to 66
Magnesium (Mg), % 2.1 to 2.6
0
Manganese (Mn), % 0 to 0.1
0 to 1.5
Nickel (Ni), % 0 to 0.050
8.0 to 11
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 0 to 0.12
0 to 2.0
Sulfur (S), % 0
0 to 0.040
Titanium (Ti), % 0 to 0.060
0
Zinc (Zn), % 5.7 to 6.7
0
Zirconium (Zr), % 0.1 to 0.16
0
Residuals, % 0 to 0.15
0