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Grade 24 Titanium vs. 1100 Aluminum

Grade 24 titanium belongs to the titanium alloys classification, while 1100 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 1100 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
69
Elongation at Break, % 11
1.1 to 32
Fatigue Strength, MPa 550
32 to 71
Poisson's Ratio 0.32
0.33
Shear Modulus, GPa 40
26
Shear Strength, MPa 610
54 to 95
Tensile Strength: Ultimate (UTS), MPa 1010
86 to 170
Tensile Strength: Yield (Proof), MPa 940
28 to 150

Thermal Properties

Latent Heat of Fusion, J/g 410
400
Maximum Temperature: Mechanical, °C 340
180
Melting Completion (Liquidus), °C 1610
660
Melting Onset (Solidus), °C 1560
640
Specific Heat Capacity, J/kg-K 560
900
Thermal Conductivity, W/m-K 7.1
220
Thermal Expansion, µm/m-K 9.6
24

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.0
59
Electrical Conductivity: Equal Weight (Specific), % IACS 2.0
190

Otherwise Unclassified Properties

Density, g/cm3 4.5
2.7
Embodied Carbon, kg CO2/kg material 43
8.2
Embodied Energy, MJ/kg 710
150
Embodied Water, L/kg 310
1190

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
0.76 to 52
Resilience: Unit (Modulus of Resilience), kJ/m3 4160
5.7 to 170
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 35
50
Strength to Weight: Axial, points 63
8.7 to 17
Strength to Weight: Bending, points 50
16 to 25
Thermal Diffusivity, mm2/s 2.9
90
Thermal Shock Resistance, points 72
3.7 to 7.4

Alloy Composition

Aluminum (Al), % 5.5 to 6.8
99 to 99.95
Carbon (C), % 0 to 0.080
0
Copper (Cu), % 0
0.050 to 0.2
Hydrogen (H), % 0 to 0.015
0
Iron (Fe), % 0 to 0.4
0 to 1.0
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 to 1.0
Titanium (Ti), % 87.5 to 91
0
Vanadium (V), % 3.5 to 4.5
0
Zinc (Zn), % 0
0 to 0.1
Residuals, % 0 to 0.4
0 to 0.15