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Grade 24 Titanium vs. 771.0 Aluminum

Grade 24 titanium belongs to the titanium alloys classification, while 771.0 aluminum belongs to the aluminum alloys. There are 28 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is grade 24 titanium and the bottom bar is 771.0 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
70
Elongation at Break, % 11
1.7 to 6.5
Fatigue Strength, MPa 550
92 to 180
Poisson's Ratio 0.32
0.32
Shear Modulus, GPa 40
26
Tensile Strength: Ultimate (UTS), MPa 1010
250 to 370
Tensile Strength: Yield (Proof), MPa 940
210 to 350

Thermal Properties

Latent Heat of Fusion, J/g 410
380
Maximum Temperature: Mechanical, °C 340
180
Melting Completion (Liquidus), °C 1610
630
Melting Onset (Solidus), °C 1560
620
Specific Heat Capacity, J/kg-K 560
870
Thermal Conductivity, W/m-K 7.1
140 to 150
Thermal Expansion, µm/m-K 9.6
24

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.0
27
Electrical Conductivity: Equal Weight (Specific), % IACS 2.0
82

Otherwise Unclassified Properties

Density, g/cm3 4.5
3.0
Embodied Carbon, kg CO2/kg material 43
8.0
Embodied Energy, MJ/kg 710
150
Embodied Water, L/kg 310
1130

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
4.4 to 20
Resilience: Unit (Modulus of Resilience), kJ/m3 4160
310 to 900
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 35
46
Strength to Weight: Axial, points 63
23 to 35
Strength to Weight: Bending, points 50
29 to 39
Thermal Diffusivity, mm2/s 2.9
54 to 58
Thermal Shock Resistance, points 72
11 to 16

Alloy Composition

Aluminum (Al), % 5.5 to 6.8
90.5 to 92.5
Carbon (C), % 0 to 0.080
0
Chromium (Cr), % 0
0.060 to 0.2
Copper (Cu), % 0
0 to 0.1
Hydrogen (H), % 0 to 0.015
0
Iron (Fe), % 0 to 0.4
0 to 0.15
Magnesium (Mg), % 0
0.8 to 1.0
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 to 0.15
Titanium (Ti), % 87.5 to 91
0.1 to 0.2
Vanadium (V), % 3.5 to 4.5
0
Zinc (Zn), % 0
6.5 to 7.5
Residuals, % 0 to 0.4
0 to 0.15