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Titanium 6-7 vs. 7049A Aluminum

Titanium 6-7 belongs to the titanium alloys classification, while 7049A 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 7049A aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
71
Elongation at Break, % 11
5.0 to 5.7
Fatigue Strength, MPa 530
180
Poisson's Ratio 0.33
0.32
Shear Modulus, GPa 45
27
Shear Strength, MPa 610
340 to 350
Tensile Strength: Ultimate (UTS), MPa 1020
580 to 590
Tensile Strength: Yield (Proof), MPa 900
500 to 530

Thermal Properties

Latent Heat of Fusion, J/g 410
370
Maximum Temperature: Mechanical, °C 300
200
Melting Completion (Liquidus), °C 1700
640
Melting Onset (Solidus), °C 1650
430
Specific Heat Capacity, J/kg-K 520
850
Thermal Expansion, µm/m-K 9.3
24

Otherwise Unclassified Properties

Base Metal Price, % relative 75
10
Density, g/cm3 5.1
3.1
Embodied Carbon, kg CO2/kg material 34
8.2
Embodied Energy, MJ/kg 540
150
Embodied Water, L/kg 190
1100

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
28 to 32
Resilience: Unit (Modulus of Resilience), kJ/m3 3460
1800 to 1990
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 32
44
Strength to Weight: Axial, points 56
52 to 53
Strength to Weight: Bending, points 44
50 to 51
Thermal Shock Resistance, points 66
25

Alloy Composition

Aluminum (Al), % 5.5 to 6.5
84.6 to 89.5
Carbon (C), % 0 to 0.080
0
Chromium (Cr), % 0
0.050 to 0.25
Copper (Cu), % 0
1.2 to 1.9
Hydrogen (H), % 0 to 0.0090
0
Iron (Fe), % 0 to 0.25
0 to 0.5
Magnesium (Mg), % 0
2.1 to 3.1
Manganese (Mn), % 0
0 to 0.5
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 to 0.25
Zinc (Zn), % 0
7.2 to 8.4
Zirconium (Zr), % 0
0 to 0.25
Residuals, % 0
0 to 0.15