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Grade 24 Titanium vs. 8090 Aluminum

Grade 24 titanium belongs to the titanium alloys classification, while 8090 aluminum belongs to the aluminum alloys. There are 28 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is grade 24 titanium and the bottom bar is 8090 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
67
Elongation at Break, % 11
3.5 to 13
Fatigue Strength, MPa 550
91 to 140
Poisson's Ratio 0.32
0.33
Shear Modulus, GPa 40
25
Tensile Strength: Ultimate (UTS), MPa 1010
340 to 490
Tensile Strength: Yield (Proof), MPa 940
210 to 420

Thermal Properties

Latent Heat of Fusion, J/g 410
400
Maximum Temperature: Mechanical, °C 340
190
Melting Completion (Liquidus), °C 1610
660
Melting Onset (Solidus), °C 1560
600
Specific Heat Capacity, J/kg-K 560
960
Thermal Conductivity, W/m-K 7.1
95 to 160
Thermal Expansion, µm/m-K 9.6
24

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.0
20
Electrical Conductivity: Equal Weight (Specific), % IACS 2.0
66

Otherwise Unclassified Properties

Density, g/cm3 4.5
2.7
Embodied Carbon, kg CO2/kg material 43
8.6
Embodied Energy, MJ/kg 710
170
Embodied Water, L/kg 310
1160

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
16 to 41
Resilience: Unit (Modulus of Resilience), kJ/m3 4160
340 to 1330
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 35
50
Strength to Weight: Axial, points 63
34 to 49
Strength to Weight: Bending, points 50
39 to 50
Thermal Diffusivity, mm2/s 2.9
36 to 60
Thermal Shock Resistance, points 72
15 to 22

Alloy Composition

Aluminum (Al), % 5.5 to 6.8
93 to 98.4
Carbon (C), % 0 to 0.080
0
Chromium (Cr), % 0
0 to 0.1
Copper (Cu), % 0
1.0 to 1.6
Hydrogen (H), % 0 to 0.015
0
Iron (Fe), % 0 to 0.4
0 to 0.3
Lithium (Li), % 0
2.2 to 2.7
Magnesium (Mg), % 0
0.6 to 1.3
Manganese (Mn), % 0
0 to 0.1
Nitrogen (N), % 0 to 0.050
0
Oxygen (O), % 0 to 0.2
0
Palladium (Pd), % 0.040 to 0.080
0
Silicon (Si), % 0
0 to 0.2
Titanium (Ti), % 87.5 to 91
0 to 0.1
Vanadium (V), % 3.5 to 4.5
0
Zinc (Zn), % 0
0 to 0.25
Zirconium (Zr), % 0
0.040 to 0.16
Residuals, % 0 to 0.4
0 to 0.15