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Grade C-5 Titanium vs. 1080 Aluminum

Grade C-5 titanium belongs to the titanium alloys classification, while 1080 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 1080 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
68
Elongation at Break, % 6.7
4.6 to 40
Fatigue Strength, MPa 510
21 to 48
Poisson's Ratio 0.32
0.33
Shear Modulus, GPa 40
26
Tensile Strength: Ultimate (UTS), MPa 1000
72 to 130
Tensile Strength: Yield (Proof), MPa 940
17 to 120

Thermal Properties

Latent Heat of Fusion, J/g 410
400
Maximum Temperature: Mechanical, °C 340
170
Melting Completion (Liquidus), °C 1610
640
Melting Onset (Solidus), °C 1560
640
Specific Heat Capacity, J/kg-K 560
900
Thermal Conductivity, W/m-K 7.1
230
Thermal Expansion, µm/m-K 9.6
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.0
61
Electrical Conductivity: Equal Weight (Specific), % IACS 2.0
200

Otherwise Unclassified Properties

Base Metal Price, % relative 36
9.5
Density, g/cm3 4.4
2.7
Embodied Carbon, kg CO2/kg material 38
8.3
Embodied Energy, MJ/kg 610
160
Embodied Water, L/kg 200
1200

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 66
4.7 to 21
Resilience: Unit (Modulus of Resilience), kJ/m3 4200
2.1 to 100
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 35
50
Strength to Weight: Axial, points 63
7.4 to 14
Strength to Weight: Bending, points 50
14 to 22
Thermal Diffusivity, mm2/s 2.9
94
Thermal Shock Resistance, points 71
3.2 to 6.0

Alloy Composition

Aluminum (Al), % 5.5 to 6.8
99.8 to 100
Carbon (C), % 0 to 0.1
0
Copper (Cu), % 0
0 to 0.030
Gallium (Ga), % 0
0 to 0.030
Hydrogen (H), % 0 to 0.015
0
Iron (Fe), % 0 to 0.4
0 to 0.15
Magnesium (Mg), % 0
0 to 0.020
Manganese (Mn), % 0
0 to 0.020
Nickel (Ni), % 0 to 0.050
0
Oxygen (O), % 0 to 0.25
0
Silicon (Si), % 0
0 to 0.15
Titanium (Ti), % 87.5 to 91
0 to 0.030
Vanadium (V), % 3.5 to 4.5
0 to 0.050
Zinc (Zn), % 0
0 to 0.030
Residuals, % 0
0 to 0.020