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Grade 24 Titanium vs. 4007 Aluminum

Grade 24 titanium belongs to the titanium alloys classification, while 4007 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 4007 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
71
Elongation at Break, % 11
5.1 to 23
Fatigue Strength, MPa 550
46 to 88
Poisson's Ratio 0.32
0.33
Shear Modulus, GPa 40
27
Shear Strength, MPa 610
80 to 90
Tensile Strength: Ultimate (UTS), MPa 1010
130 to 160
Tensile Strength: Yield (Proof), MPa 940
50 to 120

Thermal Properties

Latent Heat of Fusion, J/g 410
410
Maximum Temperature: Mechanical, °C 340
170
Melting Completion (Liquidus), °C 1610
650
Melting Onset (Solidus), °C 1560
590
Specific Heat Capacity, J/kg-K 560
890
Thermal Conductivity, W/m-K 7.1
170
Thermal Expansion, µm/m-K 9.6
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.0
42
Electrical Conductivity: Equal Weight (Specific), % IACS 2.0
140

Otherwise Unclassified Properties

Density, g/cm3 4.5
2.8
Embodied Carbon, kg CO2/kg material 43
8.1
Embodied Energy, MJ/kg 710
150
Embodied Water, L/kg 310
1160

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
7.4 to 23
Resilience: Unit (Modulus of Resilience), kJ/m3 4160
18 to 110
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 35
49
Strength to Weight: Axial, points 63
12 to 15
Strength to Weight: Bending, points 50
20 to 23
Thermal Diffusivity, mm2/s 2.9
67
Thermal Shock Resistance, points 72
5.5 to 6.7

Alloy Composition

Aluminum (Al), % 5.5 to 6.8
94.1 to 97.6
Carbon (C), % 0 to 0.080
0
Chromium (Cr), % 0
0.050 to 0.25
Cobalt (Co), % 0
0 to 0.050
Copper (Cu), % 0
0 to 0.2
Hydrogen (H), % 0 to 0.015
0
Iron (Fe), % 0 to 0.4
0.4 to 1.0
Magnesium (Mg), % 0
0 to 0.2
Manganese (Mn), % 0
0.8 to 1.5
Nickel (Ni), % 0
0.15 to 0.7
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
1.0 to 1.7
Titanium (Ti), % 87.5 to 91
0 to 0.1
Vanadium (V), % 3.5 to 4.5
0
Zinc (Zn), % 0
0 to 0.1
Residuals, % 0 to 0.4
0 to 0.15