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Grade 24 Titanium vs. 4006 Aluminum

Grade 24 titanium belongs to the titanium alloys classification, while 4006 aluminum belongs to the aluminum alloys. There are 29 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 4006 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
69
Elongation at Break, % 11
3.4 to 24
Fatigue Strength, MPa 550
35 to 110
Poisson's Ratio 0.32
0.33
Shear Modulus, GPa 40
26
Shear Strength, MPa 610
70 to 91
Tensile Strength: Ultimate (UTS), MPa 1010
110 to 160
Tensile Strength: Yield (Proof), MPa 940
62 to 140

Thermal Properties

Latent Heat of Fusion, J/g 410
410
Maximum Temperature: Mechanical, °C 340
160
Melting Completion (Liquidus), °C 1610
640
Melting Onset (Solidus), °C 1560
620
Specific Heat Capacity, J/kg-K 560
900
Thermal Conductivity, W/m-K 7.1
220
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
8.1
Embodied Energy, MJ/kg 710
150
Embodied Water, L/kg 310
1180

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
5.1 to 26
Resilience: Unit (Modulus of Resilience), kJ/m3 4160
28 to 130
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 35
50
Strength to Weight: Axial, points 63
11 to 16
Strength to Weight: Bending, points 50
19 to 24
Thermal Diffusivity, mm2/s 2.9
89
Thermal Shock Resistance, points 72
4.9 to 7.0

Alloy Composition

Aluminum (Al), % 5.5 to 6.8
97.4 to 98.7
Carbon (C), % 0 to 0.080
0
Chromium (Cr), % 0
0 to 0.2
Copper (Cu), % 0
0 to 0.1
Hydrogen (H), % 0 to 0.015
0
Iron (Fe), % 0 to 0.4
0.5 to 0.8
Magnesium (Mg), % 0
0 to 0.010
Manganese (Mn), % 0
0 to 0.050
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
0.8 to 1.2
Titanium (Ti), % 87.5 to 91
0
Vanadium (V), % 3.5 to 4.5
0
Zinc (Zn), % 0
0 to 0.050
Residuals, % 0 to 0.4
0 to 0.15