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7075 Aluminum vs. Titanium 6-5-0.5

7075 aluminum belongs to the aluminum alloys classification, while titanium 6-5-0.5 belongs to the titanium alloys. There are 30 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is 7075 aluminum and the bottom bar is titanium 6-5-0.5.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 70
100
Elongation at Break, % 1.8 to 12
6.7
Fatigue Strength, MPa 110 to 190
530
Poisson's Ratio 0.32
0.32
Shear Modulus, GPa 26
40
Shear Strength, MPa 150 to 340
630
Tensile Strength: Ultimate (UTS), MPa 240 to 590
1080
Tensile Strength: Yield (Proof), MPa 120 to 510
990

Thermal Properties

Latent Heat of Fusion, J/g 380
410
Maximum Temperature: Mechanical, °C 200
300
Melting Completion (Liquidus), °C 640
1610
Melting Onset (Solidus), °C 480
1560
Specific Heat Capacity, J/kg-K 870
550
Thermal Conductivity, W/m-K 130
4.2
Thermal Expansion, µm/m-K 23
9.4

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 33
1.0
Electrical Conductivity: Equal Weight (Specific), % IACS 98
2.1

Otherwise Unclassified Properties

Base Metal Price, % relative 10
41
Density, g/cm3 3.0
4.5
Embodied Carbon, kg CO2/kg material 8.3
33
Embodied Energy, MJ/kg 150
540
Embodied Water, L/kg 1120
180

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 7.8 to 44
71
Resilience: Unit (Modulus of Resilience), kJ/m3 110 to 1870
4630
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 46
35
Strength to Weight: Axial, points 22 to 54
67
Strength to Weight: Bending, points 28 to 52
52
Thermal Diffusivity, mm2/s 50
1.7
Thermal Shock Resistance, points 10 to 25
79

Alloy Composition

Aluminum (Al), % 86.9 to 91.4
5.7 to 6.3
Carbon (C), % 0
0 to 0.080
Chromium (Cr), % 0.18 to 0.28
0
Copper (Cu), % 1.2 to 2.0
0
Hydrogen (H), % 0
0 to 0.015
Iron (Fe), % 0 to 0.5
0 to 0.2
Magnesium (Mg), % 2.1 to 2.9
0
Manganese (Mn), % 0 to 0.3
0
Molybdenum (Mo), % 0
0.25 to 0.75
Nitrogen (N), % 0
0 to 0.050
Oxygen (O), % 0
0 to 0.19
Silicon (Si), % 0 to 0.4
0 to 0.4
Titanium (Ti), % 0 to 0.2
85.6 to 90.1
Zinc (Zn), % 5.1 to 6.1
0
Zirconium (Zr), % 0 to 0.25
4.0 to 6.0
Residuals, % 0 to 0.15
0 to 0.4