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Titanium 6-7 vs. 7050 Aluminum

Titanium 6-7 belongs to the titanium alloys classification, while 7050 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 7050 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
70
Elongation at Break, % 11
2.2 to 12
Fatigue Strength, MPa 530
130 to 210
Poisson's Ratio 0.33
0.32
Shear Modulus, GPa 45
26
Shear Strength, MPa 610
280 to 330
Tensile Strength: Ultimate (UTS), MPa 1020
490 to 570
Tensile Strength: Yield (Proof), MPa 900
390 to 500

Thermal Properties

Latent Heat of Fusion, J/g 410
370
Maximum Temperature: Mechanical, °C 300
190
Melting Completion (Liquidus), °C 1700
630
Melting Onset (Solidus), °C 1650
490
Specific Heat Capacity, J/kg-K 520
860
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
1120

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
10 to 55
Resilience: Unit (Modulus of Resilience), kJ/m3 3460
1110 to 1760
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 32
45
Strength to Weight: Axial, points 56
45 to 51
Strength to Weight: Bending, points 44
45 to 50
Thermal Shock Resistance, points 66
21 to 25

Alloy Composition

Aluminum (Al), % 5.5 to 6.5
87.3 to 92.1
Carbon (C), % 0 to 0.080
0
Chromium (Cr), % 0
0 to 0.040
Copper (Cu), % 0
2.0 to 2.6
Hydrogen (H), % 0 to 0.0090
0
Iron (Fe), % 0 to 0.25
0 to 0.15
Magnesium (Mg), % 0
1.9 to 2.6
Manganese (Mn), % 0
0 to 0.1
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 0.12
Tantalum (Ta), % 0 to 0.5
0
Titanium (Ti), % 84.9 to 88
0 to 0.060
Zinc (Zn), % 0
5.7 to 6.7
Zirconium (Zr), % 0
0.080 to 0.15
Residuals, % 0
0 to 0.15