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Grade C-5 Titanium vs. 2030 Aluminum

Grade C-5 titanium belongs to the titanium alloys classification, while 2030 aluminum belongs to the aluminum alloys. There are 29 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is grade C-5 titanium and the bottom bar is 2030 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
70
Elongation at Break, % 6.7
5.6 to 8.0
Fatigue Strength, MPa 510
91 to 110
Poisson's Ratio 0.32
0.33
Shear Modulus, GPa 40
26
Tensile Strength: Ultimate (UTS), MPa 1000
370 to 420
Tensile Strength: Yield (Proof), MPa 940
240 to 270

Thermal Properties

Latent Heat of Fusion, J/g 410
390
Maximum Temperature: Mechanical, °C 340
190
Melting Completion (Liquidus), °C 1610
640
Melting Onset (Solidus), °C 1560
510
Specific Heat Capacity, J/kg-K 560
870
Thermal Conductivity, W/m-K 7.1
130
Thermal Expansion, µm/m-K 9.6
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.0
34
Electrical Conductivity: Equal Weight (Specific), % IACS 2.0
99

Otherwise Unclassified Properties

Base Metal Price, % relative 36
10
Density, g/cm3 4.4
3.1
Embodied Carbon, kg CO2/kg material 38
8.0
Embodied Energy, MJ/kg 610
150
Embodied Water, L/kg 200
1140

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 66
21 to 26
Resilience: Unit (Modulus of Resilience), kJ/m3 4200
390 to 530
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 35
45
Strength to Weight: Axial, points 63
33 to 38
Strength to Weight: Bending, points 50
37 to 40
Thermal Diffusivity, mm2/s 2.9
50
Thermal Shock Resistance, points 71
16 to 19

Alloy Composition

Aluminum (Al), % 5.5 to 6.8
88.9 to 95.2
Bismuth (Bi), % 0
0 to 0.2
Carbon (C), % 0 to 0.1
0
Chromium (Cr), % 0
0 to 0.1
Copper (Cu), % 0
3.3 to 4.5
Hydrogen (H), % 0 to 0.015
0
Iron (Fe), % 0 to 0.4
0 to 0.7
Lead (Pb), % 0
0.8 to 1.5
Magnesium (Mg), % 0
0.5 to 1.3
Manganese (Mn), % 0
0.2 to 1.0
Nickel (Ni), % 0 to 0.050
0
Oxygen (O), % 0 to 0.25
0
Silicon (Si), % 0
0 to 0.8
Titanium (Ti), % 87.5 to 91
0 to 0.2
Vanadium (V), % 3.5 to 4.5
0
Zinc (Zn), % 0
0 to 0.5
Residuals, % 0
0 to 0.3