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Titanium 6-7 vs. 2011A Aluminum

Titanium 6-7 belongs to the titanium alloys classification, while 2011A 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 2011A aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
70
Elongation at Break, % 11
6.8 to 16
Fatigue Strength, MPa 530
75 to 100
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 45
26
Shear Strength, MPa 610
190 to 250
Tensile Strength: Ultimate (UTS), MPa 1020
310 to 410
Tensile Strength: Yield (Proof), MPa 900
140 to 310

Thermal Properties

Latent Heat of Fusion, J/g 410
390
Maximum Temperature: Mechanical, °C 300
190
Melting Completion (Liquidus), °C 1700
660
Melting Onset (Solidus), °C 1650
550
Specific Heat Capacity, J/kg-K 520
870
Thermal Expansion, µm/m-K 9.3
23

Otherwise Unclassified Properties

Base Metal Price, % relative 75
11
Density, g/cm3 5.1
3.1
Embodied Carbon, kg CO2/kg material 34
7.9
Embodied Energy, MJ/kg 540
150
Embodied Water, L/kg 190
1150

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
20 to 40
Resilience: Unit (Modulus of Resilience), kJ/m3 3460
140 to 670
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 32
44
Strength to Weight: Axial, points 56
28 to 37
Strength to Weight: Bending, points 44
33 to 40
Thermal Shock Resistance, points 66
14 to 18

Alloy Composition

Aluminum (Al), % 5.5 to 6.5
91.5 to 95.1
Bismuth (Bi), % 0
0.2 to 0.6
Carbon (C), % 0 to 0.080
0
Copper (Cu), % 0
4.5 to 6.0
Hydrogen (H), % 0 to 0.0090
0
Iron (Fe), % 0 to 0.25
0 to 0.5
Lead (Pb), % 0
0.2 to 0.6
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 to 0.4
Tantalum (Ta), % 0 to 0.5
0
Titanium (Ti), % 84.9 to 88
0
Zinc (Zn), % 0
0 to 0.3
Residuals, % 0
0 to 0.15