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Grade 24 Titanium vs. EN AC-44000 Aluminum

Grade 24 titanium belongs to the titanium alloys classification, while EN AC-44000 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 EN AC-44000 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
71
Elongation at Break, % 11
7.3
Fatigue Strength, MPa 550
64
Poisson's Ratio 0.32
0.33
Shear Modulus, GPa 40
27
Tensile Strength: Ultimate (UTS), MPa 1010
180
Tensile Strength: Yield (Proof), MPa 940
86

Thermal Properties

Latent Heat of Fusion, J/g 410
560
Maximum Temperature: Mechanical, °C 340
170
Melting Completion (Liquidus), °C 1610
590
Melting Onset (Solidus), °C 1560
590
Specific Heat Capacity, J/kg-K 560
910
Thermal Conductivity, W/m-K 7.1
140
Thermal Expansion, µm/m-K 9.6
21

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.0
36
Electrical Conductivity: Equal Weight (Specific), % IACS 2.0
130

Otherwise Unclassified Properties

Density, g/cm3 4.5
2.5
Embodied Carbon, kg CO2/kg material 43
7.8
Embodied Energy, MJ/kg 710
150
Embodied Water, L/kg 310
1070

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
11
Resilience: Unit (Modulus of Resilience), kJ/m3 4160
51
Stiffness to Weight: Axial, points 13
16
Stiffness to Weight: Bending, points 35
55
Strength to Weight: Axial, points 63
20
Strength to Weight: Bending, points 50
28
Thermal Diffusivity, mm2/s 2.9
61
Thermal Shock Resistance, points 72
8.4

Alloy Composition

Aluminum (Al), % 5.5 to 6.8
87.1 to 90
Carbon (C), % 0 to 0.080
0
Copper (Cu), % 0
0 to 0.050
Hydrogen (H), % 0 to 0.015
0
Iron (Fe), % 0 to 0.4
0 to 0.19
Magnesium (Mg), % 0
0 to 0.45
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
10 to 11.8
Titanium (Ti), % 87.5 to 91
0 to 0.15
Vanadium (V), % 3.5 to 4.5
0
Zinc (Zn), % 0
0 to 0.070
Residuals, % 0 to 0.4
0 to 0.1