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Grade 24 Titanium vs. A201.0 Aluminum

Grade 24 titanium belongs to the titanium alloys classification, while A201.0 aluminum belongs to the aluminum alloys. There are 28 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is grade 24 titanium and the bottom bar is A201.0 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
71
Elongation at Break, % 11
4.7
Fatigue Strength, MPa 550
97
Poisson's Ratio 0.32
0.33
Shear Modulus, GPa 40
27
Tensile Strength: Ultimate (UTS), MPa 1010
480
Tensile Strength: Yield (Proof), MPa 940
420

Thermal Properties

Latent Heat of Fusion, J/g 410
390
Maximum Temperature: Mechanical, °C 340
170
Melting Completion (Liquidus), °C 1610
650
Melting Onset (Solidus), °C 1560
570
Specific Heat Capacity, J/kg-K 560
880
Thermal Conductivity, W/m-K 7.1
120
Thermal Expansion, µm/m-K 9.6
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.0
30
Electrical Conductivity: Equal Weight (Specific), % IACS 2.0
90

Otherwise Unclassified Properties

Density, g/cm3 4.5
3.0
Embodied Carbon, kg CO2/kg material 43
8.1
Embodied Energy, MJ/kg 710
150
Embodied Water, L/kg 310
1150

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
22
Resilience: Unit (Modulus of Resilience), kJ/m3 4160
1250
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 35
46
Strength to Weight: Axial, points 63
44
Strength to Weight: Bending, points 50
45
Thermal Diffusivity, mm2/s 2.9
46
Thermal Shock Resistance, points 72
21

Alloy Composition


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Aluminum (Al), % 5.5 to 6.8
93.7 to 95.5
Carbon (C), % 0 to 0.080
0
Copper (Cu), % 0
4.0 to 5.0
Hydrogen (H), % 0 to 0.015
0
Iron (Fe), % 0 to 0.4
0 to 0.1
Magnesium (Mg), % 0
0.15 to 0.35
Manganese (Mn), % 0
0.2 to 0.4
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 0.050
Titanium (Ti), % 87.5 to 91
0.15 to 0.35
Vanadium (V), % 3.5 to 4.5
0
Residuals, % 0 to 0.4
0 to 0.1