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Titanium 6-5-0.5 vs. 2117 Aluminum

Titanium 6-5-0.5 belongs to the titanium alloys classification, while 2117 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 titanium 6-5-0.5 and the bottom bar is 2117 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
71
Elongation at Break, % 6.7
26
Fatigue Strength, MPa 530
95
Poisson's Ratio 0.32
0.33
Shear Modulus, GPa 40
27
Shear Strength, MPa 630
200
Tensile Strength: Ultimate (UTS), MPa 1080
300
Tensile Strength: Yield (Proof), MPa 990
170

Thermal Properties

Latent Heat of Fusion, J/g 410
400
Maximum Temperature: Mechanical, °C 300
220
Melting Completion (Liquidus), °C 1610
650
Melting Onset (Solidus), °C 1560
550
Specific Heat Capacity, J/kg-K 550
880
Thermal Conductivity, W/m-K 4.2
150
Thermal Expansion, µm/m-K 9.4
24

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.0
40
Electrical Conductivity: Equal Weight (Specific), % IACS 2.1
120

Otherwise Unclassified Properties

Base Metal Price, % relative 41
10
Density, g/cm3 4.5
3.0
Embodied Carbon, kg CO2/kg material 33
8.2
Embodied Energy, MJ/kg 540
150
Embodied Water, L/kg 180
1150

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 71
64
Resilience: Unit (Modulus of Resilience), kJ/m3 4630
190
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 35
47
Strength to Weight: Axial, points 67
28
Strength to Weight: Bending, points 52
33
Thermal Diffusivity, mm2/s 1.7
59
Thermal Shock Resistance, points 79
12

Alloy Composition


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Aluminum (Al), % 5.7 to 6.3
91 to 97.6
Carbon (C), % 0 to 0.080
0
Chromium (Cr), % 0
0 to 0.1
Copper (Cu), % 0
2.2 to 4.5
Hydrogen (H), % 0 to 0.015
0
Iron (Fe), % 0 to 0.2
0 to 0.7
Magnesium (Mg), % 0
0.2 to 1.0
Manganese (Mn), % 0
0.4 to 1.0
Molybdenum (Mo), % 0.25 to 0.75
0
Nitrogen (N), % 0 to 0.050
0
Oxygen (O), % 0 to 0.19
0
Silicon (Si), % 0 to 0.4
0.2 to 0.8
Titanium (Ti), % 85.6 to 90.1
0 to 0.25
Zinc (Zn), % 0
0 to 0.25
Zirconium (Zr), % 4.0 to 6.0
0 to 0.25
Residuals, % 0 to 0.4
0 to 0.15