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7010 Aluminum vs. Grade 23 Titanium

7010 aluminum belongs to the aluminum alloys classification, while grade 23 titanium 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 7010 aluminum and the bottom bar is grade 23 titanium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 70
110
Elongation at Break, % 3.9 to 6.8
6.7 to 11
Fatigue Strength, MPa 160 to 190
470 to 500
Poisson's Ratio 0.32
0.32
Shear Modulus, GPa 26
40
Shear Strength, MPa 300 to 340
540 to 570
Tensile Strength: Ultimate (UTS), MPa 520 to 590
930 to 940
Tensile Strength: Yield (Proof), MPa 410 to 540
850 to 870

Thermal Properties

Latent Heat of Fusion, J/g 380
410
Maximum Temperature: Mechanical, °C 200
340
Melting Completion (Liquidus), °C 630
1610
Melting Onset (Solidus), °C 480
1560
Specific Heat Capacity, J/kg-K 860
560
Thermal Conductivity, W/m-K 150
7.1
Thermal Expansion, µm/m-K 24
9.4

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 40
1.0
Electrical Conductivity: Equal Weight (Specific), % IACS 120
2.0

Otherwise Unclassified Properties

Base Metal Price, % relative 10
36
Density, g/cm3 3.0
4.4
Embodied Carbon, kg CO2/kg material 8.3
38
Embodied Energy, MJ/kg 150
610
Embodied Water, L/kg 1120
200

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 22 to 33
61 to 100
Resilience: Unit (Modulus of Resilience), kJ/m3 1230 to 2130
3430 to 3560
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 45
35
Strength to Weight: Axial, points 47 to 54
58 to 59
Strength to Weight: Bending, points 47 to 52
48
Thermal Diffusivity, mm2/s 58
2.9
Thermal Shock Resistance, points 22 to 26
67 to 68

Alloy Composition

Aluminum (Al), % 87.9 to 90.6
5.5 to 6.5
Carbon (C), % 0
0 to 0.080
Chromium (Cr), % 0 to 0.050
0
Copper (Cu), % 1.5 to 2.0
0
Hydrogen (H), % 0
0 to 0.013
Iron (Fe), % 0 to 0.15
0 to 0.25
Magnesium (Mg), % 2.1 to 2.6
0
Manganese (Mn), % 0 to 0.1
0
Nickel (Ni), % 0 to 0.050
0
Nitrogen (N), % 0
0 to 0.030
Oxygen (O), % 0
0 to 0.13
Silicon (Si), % 0 to 0.12
0
Titanium (Ti), % 0 to 0.060
88.1 to 91
Vanadium (V), % 0
3.5 to 4.5
Zinc (Zn), % 5.7 to 6.7
0
Zirconium (Zr), % 0.1 to 0.16
0
Residuals, % 0
0 to 0.4