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8090 Aluminum vs. Grade 350 Maraging Steel

8090 aluminum belongs to the aluminum alloys classification, while grade 350 maraging steel belongs to the iron alloys. There are 22 material properties with values for both materials. Properties with values for just one material (12, 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 grade 350 maraging steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 67
190
Elongation at Break, % 3.5 to 13
4.1 to 18
Poisson's Ratio 0.33
0.3
Shear Modulus, GPa 25
75
Tensile Strength: Ultimate (UTS), MPa 340 to 490
1140 to 2420
Tensile Strength: Yield (Proof), MPa 210 to 420
830 to 2300

Thermal Properties

Latent Heat of Fusion, J/g 400
270
Melting Completion (Liquidus), °C 660
1470
Melting Onset (Solidus), °C 600
1420
Specific Heat Capacity, J/kg-K 960
450
Thermal Expansion, µm/m-K 24
12

Otherwise Unclassified Properties

Base Metal Price, % relative 18
39
Density, g/cm3 2.7
8.2
Embodied Carbon, kg CO2/kg material 8.6
5.6
Embodied Energy, MJ/kg 170
74
Embodied Water, L/kg 1160
160

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 16 to 41
98 to 190
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 50
23
Strength to Weight: Axial, points 34 to 49
38 to 82
Strength to Weight: Bending, points 39 to 50
29 to 49
Thermal Shock Resistance, points 15 to 22
35 to 74

Alloy Composition


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Aluminum (Al), % 93 to 98.4
0.050 to 0.15
Boron (B), % 0
0 to 0.0030
Calcium (Ca), % 0
0 to 0.050
Carbon (C), % 0
0 to 0.030
Chromium (Cr), % 0 to 0.1
0
Cobalt (Co), % 0
11.5 to 12.5
Copper (Cu), % 1.0 to 1.6
0
Iron (Fe), % 0 to 0.3
61.2 to 64.6
Lithium (Li), % 2.2 to 2.7
0
Magnesium (Mg), % 0.6 to 1.3
0
Manganese (Mn), % 0 to 0.1
0 to 0.1
Molybdenum (Mo), % 0
4.6 to 5.2
Nickel (Ni), % 0
18 to 19
Phosphorus (P), % 0
0 to 0.010
Silicon (Si), % 0 to 0.2
0 to 0.1
Sulfur (S), % 0
0 to 0.010
Titanium (Ti), % 0 to 0.1
1.3 to 1.6
Zinc (Zn), % 0 to 0.25
0
Zirconium (Zr), % 0.040 to 0.16
0 to 0.020
Residuals, % 0 to 0.15
0