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Titanium 6-7 vs. 7075 Aluminum

Titanium 6-7 belongs to the titanium alloys classification, while 7075 aluminum belongs to the aluminum alloys. There are 26 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is titanium 6-7 and the bottom bar is 7075 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
70
Elongation at Break, % 11
1.8 to 12
Fatigue Strength, MPa 530
110 to 190
Poisson's Ratio 0.33
0.32
Shear Modulus, GPa 45
26
Shear Strength, MPa 610
150 to 340
Tensile Strength: Ultimate (UTS), MPa 1020
240 to 590
Tensile Strength: Yield (Proof), MPa 900
120 to 510

Thermal Properties

Latent Heat of Fusion, J/g 410
380
Maximum Temperature: Mechanical, °C 300
200
Melting Completion (Liquidus), °C 1700
640
Melting Onset (Solidus), °C 1650
480
Specific Heat Capacity, J/kg-K 520
870
Thermal Expansion, µm/m-K 9.3
23

Otherwise Unclassified Properties

Base Metal Price, % relative 75
10
Density, g/cm3 5.1
3.0
Embodied Carbon, kg CO2/kg material 34
8.3
Embodied Energy, MJ/kg 540
150
Embodied Water, L/kg 190
1120

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
7.8 to 44
Resilience: Unit (Modulus of Resilience), kJ/m3 3460
110 to 1870
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 32
46
Strength to Weight: Axial, points 56
22 to 54
Strength to Weight: Bending, points 44
28 to 52
Thermal Shock Resistance, points 66
10 to 25

Alloy Composition

Aluminum (Al), % 5.5 to 6.5
86.9 to 91.4
Carbon (C), % 0 to 0.080
0
Chromium (Cr), % 0
0.18 to 0.28
Copper (Cu), % 0
1.2 to 2.0
Hydrogen (H), % 0 to 0.0090
0
Iron (Fe), % 0 to 0.25
0 to 0.5
Magnesium (Mg), % 0
2.1 to 2.9
Manganese (Mn), % 0
0 to 0.3
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 0.2
Zinc (Zn), % 0
5.1 to 6.1
Zirconium (Zr), % 0
0 to 0.25
Residuals, % 0
0 to 0.15