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Grade 24 Titanium vs. 8011A Aluminum

Grade 24 titanium belongs to the titanium alloys classification, while 8011A 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 8011A aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
69
Elongation at Break, % 11
1.7 to 28
Fatigue Strength, MPa 550
33 to 76
Poisson's Ratio 0.32
0.33
Shear Modulus, GPa 40
26
Tensile Strength: Ultimate (UTS), MPa 1010
100 to 180
Tensile Strength: Yield (Proof), MPa 940
34 to 170

Thermal Properties

Latent Heat of Fusion, J/g 410
400
Maximum Temperature: Mechanical, °C 340
170
Melting Completion (Liquidus), °C 1610
650
Melting Onset (Solidus), °C 1560
630
Specific Heat Capacity, J/kg-K 560
900
Thermal Conductivity, W/m-K 7.1
210
Thermal Expansion, µm/m-K 9.6
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.0
56
Electrical Conductivity: Equal Weight (Specific), % IACS 2.0
180

Otherwise Unclassified Properties

Density, g/cm3 4.5
2.7
Embodied Carbon, kg CO2/kg material 43
8.2
Embodied Energy, MJ/kg 710
150
Embodied Water, L/kg 310
1180

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
3.0 to 22
Resilience: Unit (Modulus of Resilience), kJ/m3 4160
8.2 to 200
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 35
50
Strength to Weight: Axial, points 63
11 to 18
Strength to Weight: Bending, points 50
18 to 26
Thermal Diffusivity, mm2/s 2.9
86
Thermal Shock Resistance, points 72
4.6 to 8.1

Alloy Composition

Aluminum (Al), % 5.5 to 6.8
97.5 to 99.1
Carbon (C), % 0 to 0.080
0
Chromium (Cr), % 0
0 to 0.1
Copper (Cu), % 0
0 to 0.1
Hydrogen (H), % 0 to 0.015
0
Iron (Fe), % 0 to 0.4
0.5 to 1.0
Magnesium (Mg), % 0
0 to 0.1
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
0.4 to 0.8
Titanium (Ti), % 87.5 to 91
0 to 0.050
Vanadium (V), % 3.5 to 4.5
0
Zinc (Zn), % 0
0 to 0.1
Residuals, % 0 to 0.4
0 to 0.15