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Grade 33 Titanium vs. 7010 Aluminum

Grade 33 titanium belongs to the titanium alloys classification, while 7010 aluminum belongs to the aluminum 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 grade 33 titanium and the bottom bar is 7010 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
70
Elongation at Break, % 23
3.9 to 6.8
Fatigue Strength, MPa 250
160 to 190
Poisson's Ratio 0.32
0.32
Shear Modulus, GPa 41
26
Shear Strength, MPa 240
300 to 340
Tensile Strength: Ultimate (UTS), MPa 390
520 to 590
Tensile Strength: Yield (Proof), MPa 350
410 to 540

Thermal Properties

Latent Heat of Fusion, J/g 420
380
Maximum Temperature: Mechanical, °C 320
200
Melting Completion (Liquidus), °C 1660
630
Melting Onset (Solidus), °C 1610
480
Specific Heat Capacity, J/kg-K 540
860
Thermal Conductivity, W/m-K 21
150
Thermal Expansion, µm/m-K 8.7
24

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.4
40
Electrical Conductivity: Equal Weight (Specific), % IACS 6.9
120

Otherwise Unclassified Properties

Base Metal Price, % relative 55
10
Density, g/cm3 4.5
3.0
Embodied Carbon, kg CO2/kg material 33
8.3
Embodied Energy, MJ/kg 530
150
Embodied Water, L/kg 200
1120

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 86
22 to 33
Resilience: Unit (Modulus of Resilience), kJ/m3 590
1230 to 2130
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 35
45
Strength to Weight: Axial, points 24
47 to 54
Strength to Weight: Bending, points 26
47 to 52
Thermal Diffusivity, mm2/s 8.7
58
Thermal Shock Resistance, points 30
22 to 26

Alloy Composition

Aluminum (Al), % 0
87.9 to 90.6
Carbon (C), % 0 to 0.080
0
Chromium (Cr), % 0.1 to 0.2
0 to 0.050
Copper (Cu), % 0
1.5 to 2.0
Hydrogen (H), % 0 to 0.015
0
Iron (Fe), % 0 to 0.3
0 to 0.15
Magnesium (Mg), % 0
2.1 to 2.6
Manganese (Mn), % 0
0 to 0.1
Nickel (Ni), % 0.35 to 0.55
0 to 0.050
Nitrogen (N), % 0 to 0.030
0
Oxygen (O), % 0 to 0.25
0
Palladium (Pd), % 0.010 to 0.020
0
Ruthenium (Ru), % 0.020 to 0.040
0
Silicon (Si), % 0
0 to 0.12
Titanium (Ti), % 98.1 to 99.52
0 to 0.060
Zinc (Zn), % 0
5.7 to 6.7
Zirconium (Zr), % 0
0.1 to 0.16
Residuals, % 0
0 to 0.15