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8090 Aluminum vs. ACI-ASTM CF10SMnN Steel

8090 aluminum belongs to the aluminum alloys classification, while ACI-ASTM CF10SMnN steel belongs to the iron alloys. There are 25 material properties with values for both materials. Properties with values for just one material (8, 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 8090 aluminum and the bottom bar is ACI-ASTM CF10SMnN steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 67
190
Elongation at Break, % 3.5 to 13
34
Fatigue Strength, MPa 91 to 140
260
Poisson's Ratio 0.33
0.28
Shear Modulus, GPa 25
75
Tensile Strength: Ultimate (UTS), MPa 340 to 490
660
Tensile Strength: Yield (Proof), MPa 210 to 420
330

Thermal Properties

Latent Heat of Fusion, J/g 400
340
Maximum Temperature: Mechanical, °C 190
900
Melting Completion (Liquidus), °C 660
1360
Melting Onset (Solidus), °C 600
1310
Specific Heat Capacity, J/kg-K 960
500
Thermal Expansion, µm/m-K 24
16

Otherwise Unclassified Properties

Base Metal Price, % relative 18
15
Density, g/cm3 2.7
7.5
Embodied Carbon, kg CO2/kg material 8.6
3.1
Embodied Energy, MJ/kg 170
45
Embodied Water, L/kg 1160
150

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 16 to 41
180
Resilience: Unit (Modulus of Resilience), kJ/m3 340 to 1330
280
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 50
26
Strength to Weight: Axial, points 34 to 49
24
Strength to Weight: Bending, points 39 to 50
22
Thermal Shock Resistance, points 15 to 22
15

Alloy Composition


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Aluminum (Al), % 93 to 98.4
0
Carbon (C), % 0
0 to 0.1
Chromium (Cr), % 0 to 0.1
16 to 18
Copper (Cu), % 1.0 to 1.6
0
Iron (Fe), % 0 to 0.3
59.1 to 65.4
Lithium (Li), % 2.2 to 2.7
0
Magnesium (Mg), % 0.6 to 1.3
0
Manganese (Mn), % 0 to 0.1
7.0 to 9.0
Nickel (Ni), % 0
8.0 to 9.0
Nitrogen (N), % 0
0.080 to 0.18
Phosphorus (P), % 0
0 to 0.060
Silicon (Si), % 0 to 0.2
3.5 to 4.5
Sulfur (S), % 0
0 to 0.030
Titanium (Ti), % 0 to 0.1
0
Zinc (Zn), % 0 to 0.25
0
Zirconium (Zr), % 0.040 to 0.16
0
Residuals, % 0 to 0.15
0