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7022 Aluminum vs. Titanium 6-5-0.5

7022 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 (1, in this case) are not shown.

For each property being compared, the top bar is 7022 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, % 6.3 to 8.0
6.7
Fatigue Strength, MPa 140 to 170
530
Poisson's Ratio 0.32
0.32
Shear Modulus, GPa 26
40
Shear Strength, MPa 290 to 320
630
Tensile Strength: Ultimate (UTS), MPa 490 to 540
1080
Tensile Strength: Yield (Proof), MPa 390 to 460
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 140
4.2
Thermal Expansion, µm/m-K 24
9.4

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 21
1.0
Electrical Conductivity: Equal Weight (Specific), % IACS 65
2.1

Otherwise Unclassified Properties

Base Metal Price, % relative 10
41
Density, g/cm3 2.9
4.5
Embodied Carbon, kg CO2/kg material 8.5
33
Embodied Energy, MJ/kg 150
540
Embodied Water, L/kg 1130
180

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 29 to 40
71
Resilience: Unit (Modulus of Resilience), kJ/m3 1100 to 1500
4630
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 47
35
Strength to Weight: Axial, points 47 to 51
67
Strength to Weight: Bending, points 47 to 50
52
Thermal Diffusivity, mm2/s 54
1.7
Thermal Shock Resistance, points 21 to 23
79

Alloy Composition


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Aluminum (Al), % 87.9 to 92.4
5.7 to 6.3
Carbon (C), % 0
0 to 0.080
Chromium (Cr), % 0.1 to 0.3
0
Copper (Cu), % 0.5 to 1.0
0
Hydrogen (H), % 0
0 to 0.015
Iron (Fe), % 0 to 0.5
0 to 0.2
Magnesium (Mg), % 2.6 to 3.7
0
Manganese (Mn), % 0.1 to 0.4
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 0.5
0 to 0.4
Titanium (Ti), % 0 to 0.2
85.6 to 90.1
Zinc (Zn), % 4.3 to 5.2
0
Zirconium (Zr), % 0 to 0.2
4.0 to 6.0
Residuals, % 0 to 0.15
0 to 0.4