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7005 Aluminum vs. Titanium 6-5-0.5

7005 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 7005 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, % 10 to 20
6.7
Fatigue Strength, MPa 100 to 190
530
Poisson's Ratio 0.33
0.32
Shear Modulus, GPa 26
40
Shear Strength, MPa 120 to 230
630
Tensile Strength: Ultimate (UTS), MPa 200 to 400
1080
Tensile Strength: Yield (Proof), MPa 95 to 350
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 610
1560
Specific Heat Capacity, J/kg-K 880
550
Thermal Conductivity, W/m-K 140 to 170
4.2
Thermal Expansion, µm/m-K 23
9.4

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 35 to 43
1.0
Electrical Conductivity: Equal Weight (Specific), % IACS 110 to 130
2.1

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
41
Density, g/cm3 2.9
4.5
Embodied Carbon, kg CO2/kg material 8.3
33
Embodied Energy, MJ/kg 150
540
Embodied Water, L/kg 1150
180

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 32 to 57
71
Resilience: Unit (Modulus of Resilience), kJ/m3 65 to 850
4630
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 47
35
Strength to Weight: Axial, points 19 to 38
67
Strength to Weight: Bending, points 26 to 41
52
Thermal Diffusivity, mm2/s 54 to 65
1.7
Thermal Shock Resistance, points 8.7 to 18
79

Alloy Composition


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Aluminum (Al), % 91 to 94.7
5.7 to 6.3
Carbon (C), % 0
0 to 0.080
Chromium (Cr), % 0.060 to 0.2
0
Copper (Cu), % 0 to 0.1
0
Hydrogen (H), % 0
0 to 0.015
Iron (Fe), % 0 to 0.4
0 to 0.2
Magnesium (Mg), % 1.0 to 1.8
0
Manganese (Mn), % 0.2 to 0.7
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 0.35
0 to 0.4
Titanium (Ti), % 0.010 to 0.060
85.6 to 90.1
Zinc (Zn), % 4.0 to 5.0
0
Zirconium (Zr), % 0.080 to 0.2
4.0 to 6.0
Residuals, % 0 to 0.15
0 to 0.4