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Grade 24 Titanium vs. 319.0 Aluminum

Grade 24 titanium belongs to the titanium alloys classification, while 319.0 aluminum belongs to the aluminum alloys. There are 29 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 319.0 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
72
Elongation at Break, % 11
1.8 to 2.0
Fatigue Strength, MPa 550
76 to 80
Poisson's Ratio 0.32
0.33
Shear Modulus, GPa 40
27
Shear Strength, MPa 610
170 to 210
Tensile Strength: Ultimate (UTS), MPa 1010
190 to 240
Tensile Strength: Yield (Proof), MPa 940
110 to 180

Thermal Properties

Latent Heat of Fusion, J/g 410
480
Maximum Temperature: Mechanical, °C 340
170
Melting Completion (Liquidus), °C 1610
600
Melting Onset (Solidus), °C 1560
540
Specific Heat Capacity, J/kg-K 560
880
Thermal Conductivity, W/m-K 7.1
110
Thermal Expansion, µm/m-K 9.6
22

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.0
27
Electrical Conductivity: Equal Weight (Specific), % IACS 2.0
84

Otherwise Unclassified Properties

Density, g/cm3 4.5
2.9
Embodied Carbon, kg CO2/kg material 43
7.7
Embodied Energy, MJ/kg 710
140
Embodied Water, L/kg 310
1080

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
3.3 to 3.9
Resilience: Unit (Modulus of Resilience), kJ/m3 4160
88 to 220
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 35
48
Strength to Weight: Axial, points 63
18 to 24
Strength to Weight: Bending, points 50
25 to 30
Thermal Diffusivity, mm2/s 2.9
44
Thermal Shock Resistance, points 72
8.6 to 11

Alloy Composition


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Aluminum (Al), % 5.5 to 6.8
85.8 to 91.5
Carbon (C), % 0 to 0.080
0
Copper (Cu), % 0
3.0 to 4.0
Hydrogen (H), % 0 to 0.015
0
Iron (Fe), % 0 to 0.4
0 to 1.0
Magnesium (Mg), % 0
0 to 0.1
Manganese (Mn), % 0
0 to 0.5
Nickel (Ni), % 0
0 to 0.35
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
5.5 to 6.5
Titanium (Ti), % 87.5 to 91
0 to 0.25
Vanadium (V), % 3.5 to 4.5
0
Zinc (Zn), % 0
0 to 1.0
Residuals, % 0 to 0.4
0 to 0.5