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7076 Aluminum vs. SAE-AISI F2 Steel

7076 aluminum belongs to the aluminum alloys classification, while SAE-AISI F2 steel belongs to the iron alloys. There are 23 material properties with values for both materials. Properties with values for just one material (9, 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 7076 aluminum and the bottom bar is SAE-AISI F2 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 70
190
Poisson's Ratio 0.32
0.29
Shear Modulus, GPa 27
73
Tensile Strength: Ultimate (UTS), MPa 530
710 to 2360

Thermal Properties

Latent Heat of Fusion, J/g 380
250
Melting Completion (Liquidus), °C 630
1520
Melting Onset (Solidus), °C 460
1470
Specific Heat Capacity, J/kg-K 860
460
Thermal Conductivity, W/m-K 140
42
Thermal Expansion, µm/m-K 24
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 35
7.7
Electrical Conductivity: Equal Weight (Specific), % IACS 100
8.5

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
10
Density, g/cm3 3.0
8.1
Embodied Carbon, kg CO2/kg material 8.0
2.3
Embodied Energy, MJ/kg 150
32
Embodied Water, L/kg 1110
50

Common Calculations

Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 45
24
Strength to Weight: Axial, points 49
24 to 81
Strength to Weight: Bending, points 48
22 to 49
Thermal Diffusivity, mm2/s 54
11
Thermal Shock Resistance, points 23
21 to 71

Alloy Composition

Aluminum (Al), % 86.9 to 91.2
0
Carbon (C), % 0
1.2 to 1.4
Chromium (Cr), % 0
0.2 to 0.4
Copper (Cu), % 0.3 to 1.0
0
Iron (Fe), % 0 to 0.6
92.6 to 95.4
Magnesium (Mg), % 1.2 to 2.0
0
Manganese (Mn), % 0.3 to 0.8
0.1 to 0.5
Phosphorus (P), % 0
0 to 0.030
Silicon (Si), % 0 to 0.4
0.1 to 0.5
Sulfur (S), % 0
0 to 0.030
Titanium (Ti), % 0 to 0.2
0
Tungsten (W), % 0
3.0 to 4.5
Zinc (Zn), % 7.0 to 8.0
0
Residuals, % 0 to 0.15
0