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Grade 33 Titanium vs. 5110A Aluminum

Grade 33 titanium belongs to the titanium alloys classification, while 5110A aluminum belongs to the aluminum alloys. There are 30 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.

For each property being compared, the top bar is grade 33 titanium and the bottom bar is 5110A aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
68
Elongation at Break, % 23
4.5 to 28
Fatigue Strength, MPa 250
37 to 77
Poisson's Ratio 0.32
0.33
Shear Modulus, GPa 41
26
Shear Strength, MPa 240
66 to 110
Tensile Strength: Ultimate (UTS), MPa 390
100 to 190
Tensile Strength: Yield (Proof), MPa 350
32 to 170

Thermal Properties

Latent Heat of Fusion, J/g 420
400
Maximum Temperature: Mechanical, °C 320
180
Melting Completion (Liquidus), °C 1660
640
Melting Onset (Solidus), °C 1610
640
Specific Heat Capacity, J/kg-K 540
900
Thermal Conductivity, W/m-K 21
220
Thermal Expansion, µm/m-K 8.7
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.4
57
Electrical Conductivity: Equal Weight (Specific), % IACS 6.9
190

Otherwise Unclassified Properties

Base Metal Price, % relative 55
9.5
Density, g/cm3 4.5
2.7
Embodied Carbon, kg CO2/kg material 33
8.3
Embodied Energy, MJ/kg 530
150
Embodied Water, L/kg 200
1190

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 86
6.8 to 22
Resilience: Unit (Modulus of Resilience), kJ/m3 590
7.6 to 200
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 35
50
Strength to Weight: Axial, points 24
10 to 19
Strength to Weight: Bending, points 26
18 to 27
Thermal Diffusivity, mm2/s 8.7
91
Thermal Shock Resistance, points 30
4.5 to 8.4

Alloy Composition

Aluminum (Al), % 0
98.5 to 99.8
Carbon (C), % 0 to 0.080
0
Chromium (Cr), % 0.1 to 0.2
0
Copper (Cu), % 0
0 to 0.2
Hydrogen (H), % 0 to 0.015
0
Iron (Fe), % 0 to 0.3
0 to 0.25
Magnesium (Mg), % 0
0.2 to 0.6
Manganese (Mn), % 0
0 to 0.2
Nickel (Ni), % 0.35 to 0.55
0
Nitrogen (N), % 0 to 0.030
0
Oxygen (O), % 0 to 0.25
0
Palladium (Pd), % 0.010 to 0.020
0
Ruthenium (Ru), % 0.020 to 0.040
0
Silicon (Si), % 0
0 to 0.15
Titanium (Ti), % 98.1 to 99.52
0
Zinc (Zn), % 0
0 to 0.030
Residuals, % 0
0 to 0.1