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Grade 5 Titanium vs. 2014 Aluminum

Grade 5 titanium belongs to the titanium alloys classification, while 2014 aluminum belongs to the aluminum alloys. There are 30 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is grade 5 titanium and the bottom bar is 2014 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
72
Elongation at Break, % 8.6 to 11
1.5 to 16
Fatigue Strength, MPa 530 to 630
90 to 160
Poisson's Ratio 0.32
0.33
Shear Modulus, GPa 40
27
Shear Strength, MPa 600 to 710
130 to 290
Tensile Strength: Ultimate (UTS), MPa 1000 to 1190
190 to 500
Tensile Strength: Yield (Proof), MPa 910 to 1110
100 to 440

Thermal Properties

Latent Heat of Fusion, J/g 410
400
Maximum Temperature: Mechanical, °C 330
210
Melting Completion (Liquidus), °C 1610
630
Melting Onset (Solidus), °C 1650
510
Specific Heat Capacity, J/kg-K 560
870
Thermal Conductivity, W/m-K 6.8
150
Thermal Expansion, µm/m-K 8.9
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.0
40
Electrical Conductivity: Equal Weight (Specific), % IACS 2.0
120

Otherwise Unclassified Properties

Base Metal Price, % relative 36
11
Density, g/cm3 4.4
3.0
Embodied Carbon, kg CO2/kg material 38
8.1
Embodied Energy, MJ/kg 610
150
Embodied Water, L/kg 200
1130

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 100 to 110
6.6 to 56
Resilience: Unit (Modulus of Resilience), kJ/m3 3980 to 5880
76 to 1330
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 35
46
Strength to Weight: Axial, points 62 to 75
18 to 46
Strength to Weight: Bending, points 50 to 56
25 to 46
Thermal Diffusivity, mm2/s 2.7
58
Thermal Shock Resistance, points 76 to 91
8.4 to 22

Alloy Composition

Aluminum (Al), % 5.5 to 6.8
90.4 to 95
Carbon (C), % 0 to 0.080
0
Chromium (Cr), % 0
0 to 0.1
Copper (Cu), % 0
3.9 to 5.0
Hydrogen (H), % 0 to 0.015
0
Iron (Fe), % 0 to 0.4
0 to 0.7
Magnesium (Mg), % 0
0.2 to 0.8
Manganese (Mn), % 0
0.4 to 1.2
Nitrogen (N), % 0 to 0.050
0
Oxygen (O), % 0 to 0.2
0
Silicon (Si), % 0
0.5 to 1.2
Titanium (Ti), % 87.4 to 91
0 to 0.15
Vanadium (V), % 3.5 to 4.5
0
Yttrium (Y), % 0 to 0.0050
0
Zinc (Zn), % 0
0 to 0.25
Zirconium (Zr), % 0
0 to 0.2
Residuals, % 0
0 to 0.15

Comparable Variants