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7010 Aluminum vs. SAE-AISI D4 Steel

7010 aluminum belongs to the aluminum alloys classification, while SAE-AISI D4 steel belongs to the iron alloys. There are 28 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 7010 aluminum and the bottom bar is SAE-AISI D4 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 70
190
Elongation at Break, % 3.9 to 6.8
8.4 to 15
Fatigue Strength, MPa 160 to 190
310 to 920
Poisson's Ratio 0.32
0.28
Shear Modulus, GPa 26
74
Shear Strength, MPa 300 to 340
460 to 1210
Tensile Strength: Ultimate (UTS), MPa 520 to 590
760 to 2060
Tensile Strength: Yield (Proof), MPa 410 to 540
470 to 1540

Thermal Properties

Latent Heat of Fusion, J/g 380
270
Melting Completion (Liquidus), °C 630
1430
Melting Onset (Solidus), °C 480
1380
Specific Heat Capacity, J/kg-K 860
480
Thermal Conductivity, W/m-K 150
31
Thermal Expansion, µm/m-K 24
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 40
4.2
Electrical Conductivity: Equal Weight (Specific), % IACS 120
5.0

Otherwise Unclassified Properties

Base Metal Price, % relative 10
8.0
Density, g/cm3 3.0
7.7
Embodied Carbon, kg CO2/kg material 8.3
3.3
Embodied Energy, MJ/kg 150
49
Embodied Water, L/kg 1120
100

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 22 to 33
100 to 160
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 45
25
Strength to Weight: Axial, points 47 to 54
27 to 75
Strength to Weight: Bending, points 47 to 52
24 to 47
Thermal Diffusivity, mm2/s 58
8.3
Thermal Shock Resistance, points 22 to 26
23 to 63

Alloy Composition

Aluminum (Al), % 87.9 to 90.6
0
Carbon (C), % 0
2.1 to 2.4
Chromium (Cr), % 0 to 0.050
11 to 13
Copper (Cu), % 1.5 to 2.0
0 to 0.25
Iron (Fe), % 0 to 0.15
80.6 to 86.3
Magnesium (Mg), % 2.1 to 2.6
0
Manganese (Mn), % 0 to 0.1
0 to 0.6
Molybdenum (Mo), % 0
0.7 to 1.2
Nickel (Ni), % 0 to 0.050
0 to 0.3
Phosphorus (P), % 0
0 to 0.030
Silicon (Si), % 0 to 0.12
0 to 0.6
Sulfur (S), % 0
0 to 0.030
Titanium (Ti), % 0 to 0.060
0
Vanadium (V), % 0
0 to 1.0
Zinc (Zn), % 5.7 to 6.7
0
Zirconium (Zr), % 0.1 to 0.16
0
Residuals, % 0 to 0.15
0