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Grade 24 Titanium vs. A380.0 Aluminum

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

Metric UnitsUS Customary Units

Mechanical Properties

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

Thermal Properties

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

Electrical Properties

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

Otherwise Unclassified Properties

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

Common Calculations

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

Alloy Composition

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