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Titanium 6-7 vs. 2017A Aluminum

Titanium 6-7 belongs to the titanium alloys classification, while 2017A aluminum belongs to the aluminum alloys. There are 26 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is titanium 6-7 and the bottom bar is 2017A aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
71
Elongation at Break, % 11
2.2 to 14
Fatigue Strength, MPa 530
92 to 130
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 45
27
Shear Strength, MPa 610
120 to 270
Tensile Strength: Ultimate (UTS), MPa 1020
200 to 460
Tensile Strength: Yield (Proof), MPa 900
110 to 290

Thermal Properties

Latent Heat of Fusion, J/g 410
390
Maximum Temperature: Mechanical, °C 300
220
Melting Completion (Liquidus), °C 1700
650
Melting Onset (Solidus), °C 1650
510
Specific Heat Capacity, J/kg-K 520
880
Thermal Expansion, µm/m-K 9.3
23

Otherwise Unclassified Properties

Base Metal Price, % relative 75
11
Density, g/cm3 5.1
3.0
Embodied Carbon, kg CO2/kg material 34
8.2
Embodied Energy, MJ/kg 540
150
Embodied Water, L/kg 190
1140

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
6.7 to 53
Resilience: Unit (Modulus of Resilience), kJ/m3 3460
90 to 570
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 32
46
Strength to Weight: Axial, points 56
19 to 42
Strength to Weight: Bending, points 44
26 to 44
Thermal Shock Resistance, points 66
8.9 to 20

Alloy Composition

Aluminum (Al), % 5.5 to 6.5
91.3 to 95.5
Carbon (C), % 0 to 0.080
0
Chromium (Cr), % 0
0 to 0.1
Copper (Cu), % 0
3.5 to 4.5
Hydrogen (H), % 0 to 0.0090
0
Iron (Fe), % 0 to 0.25
0 to 0.7
Magnesium (Mg), % 0
0.4 to 1.0
Manganese (Mn), % 0
0.4 to 1.0
Molybdenum (Mo), % 6.5 to 7.5
0
Niobium (Nb), % 6.5 to 7.5
0
Nitrogen (N), % 0 to 0.050
0
Oxygen (O), % 0 to 0.2
0
Silicon (Si), % 0
0.2 to 0.8
Tantalum (Ta), % 0 to 0.5
0
Titanium (Ti), % 84.9 to 88
0 to 0.25
Zinc (Zn), % 0
0 to 0.25
Zirconium (Zr), % 0
0 to 0.25
Residuals, % 0
0 to 0.15