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Titanium 6-7 vs. 5070 Aluminum

Titanium 6-7 belongs to the titanium alloys classification, while 5070 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 5070 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
68
Elongation at Break, % 11
20
Fatigue Strength, MPa 530
150
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 45
26
Shear Strength, MPa 610
190
Tensile Strength: Ultimate (UTS), MPa 1020
300
Tensile Strength: Yield (Proof), MPa 900
140

Thermal Properties

Latent Heat of Fusion, J/g 410
390
Maximum Temperature: Mechanical, °C 300
190
Melting Completion (Liquidus), °C 1700
640
Melting Onset (Solidus), °C 1650
550
Specific Heat Capacity, J/kg-K 520
900
Thermal Expansion, µm/m-K 9.3
24

Otherwise Unclassified Properties

Base Metal Price, % relative 75
9.5
Density, g/cm3 5.1
2.7
Embodied Carbon, kg CO2/kg material 34
8.8
Embodied Energy, MJ/kg 540
150
Embodied Water, L/kg 190
1170

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
51
Resilience: Unit (Modulus of Resilience), kJ/m3 3460
150
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 32
50
Strength to Weight: Axial, points 56
31
Strength to Weight: Bending, points 44
37
Thermal Shock Resistance, points 66
14

Alloy Composition

Aluminum (Al), % 5.5 to 6.5
92.4 to 95.7
Carbon (C), % 0 to 0.080
0
Chromium (Cr), % 0
0 to 0.3
Copper (Cu), % 0
0 to 0.25
Hydrogen (H), % 0 to 0.0090
0
Iron (Fe), % 0 to 0.25
0 to 0.4
Magnesium (Mg), % 0
3.5 to 4.5
Manganese (Mn), % 0
0.4 to 0.8
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 0.25
Tantalum (Ta), % 0 to 0.5
0
Titanium (Ti), % 84.9 to 88
0 to 0.15
Zinc (Zn), % 0
0.4 to 0.8
Residuals, % 0
0 to 0.15