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A380.0 Aluminum vs. Grade 24 Titanium

A380.0 aluminum belongs to the aluminum alloys classification, while grade 24 titanium belongs to the titanium alloys. There are 29 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 A380.0 aluminum and the bottom bar is grade 24 titanium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 73
110
Elongation at Break, % 3.3
11
Fatigue Strength, MPa 140
550
Poisson's Ratio 0.33
0.32
Shear Modulus, GPa 27
40
Shear Strength, MPa 190
610
Tensile Strength: Ultimate (UTS), MPa 290
1010
Tensile Strength: Yield (Proof), MPa 160
940

Thermal Properties

Latent Heat of Fusion, J/g 510
410
Maximum Temperature: Mechanical, °C 170
340
Melting Completion (Liquidus), °C 590
1610
Melting Onset (Solidus), °C 550
1560
Specific Heat Capacity, J/kg-K 870
560
Thermal Conductivity, W/m-K 96
7.1
Thermal Expansion, µm/m-K 22
9.6

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 25
1.0
Electrical Conductivity: Equal Weight (Specific), % IACS 78
2.0

Otherwise Unclassified Properties

Density, g/cm3 2.9
4.5
Embodied Carbon, kg CO2/kg material 7.5
43
Embodied Energy, MJ/kg 140
710
Embodied Water, L/kg 1040
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 8.3
110
Resilience: Unit (Modulus of Resilience), kJ/m3 180
4160
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 48
35
Strength to Weight: Axial, points 28
63
Strength to Weight: Bending, points 34
50
Thermal Diffusivity, mm2/s 38
2.9
Thermal Shock Resistance, points 13
72

Alloy Composition

Aluminum (Al), % 80.3 to 89.5
5.5 to 6.8
Carbon (C), % 0
0 to 0.080
Copper (Cu), % 3.0 to 4.0
0
Hydrogen (H), % 0
0 to 0.015
Iron (Fe), % 0 to 1.3
0 to 0.4
Magnesium (Mg), % 0 to 0.1
0
Manganese (Mn), % 0 to 0.5
0
Nickel (Ni), % 0 to 0.5
0
Nitrogen (N), % 0
0 to 0.050
Oxygen (O), % 0
0 to 0.2
Palladium (Pd), % 0
0.040 to 0.080
Silicon (Si), % 7.5 to 9.5
0
Tin (Sn), % 0 to 0.35
0
Titanium (Ti), % 0
87.5 to 91
Vanadium (V), % 0
3.5 to 4.5
Zinc (Zn), % 0 to 3.0
0
Residuals, % 0
0 to 0.4