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Grade C-5 Titanium vs. 240.0 Aluminum

Grade C-5 titanium belongs to the titanium alloys classification, while 240.0 aluminum belongs to the aluminum alloys. There are 29 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 grade C-5 titanium and the bottom bar is 240.0 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
72
Elongation at Break, % 6.7
1.0
Fatigue Strength, MPa 510
140
Poisson's Ratio 0.32
0.33
Shear Modulus, GPa 40
27
Tensile Strength: Ultimate (UTS), MPa 1000
240
Tensile Strength: Yield (Proof), MPa 940
200

Thermal Properties

Latent Heat of Fusion, J/g 410
380
Maximum Temperature: Mechanical, °C 340
180
Melting Completion (Liquidus), °C 1610
600
Melting Onset (Solidus), °C 1560
520
Specific Heat Capacity, J/kg-K 560
860
Thermal Conductivity, W/m-K 7.1
96
Thermal Expansion, µm/m-K 9.6
22

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.0
23
Electrical Conductivity: Equal Weight (Specific), % IACS 2.0
65

Otherwise Unclassified Properties

Base Metal Price, % relative 36
12
Density, g/cm3 4.4
3.2
Embodied Carbon, kg CO2/kg material 38
8.7
Embodied Energy, MJ/kg 610
150
Embodied Water, L/kg 200
1100

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 66
2.2
Resilience: Unit (Modulus of Resilience), kJ/m3 4200
280
Stiffness to Weight: Axial, points 13
12
Stiffness to Weight: Bending, points 35
43
Strength to Weight: Axial, points 63
20
Strength to Weight: Bending, points 50
26
Thermal Diffusivity, mm2/s 2.9
35
Thermal Shock Resistance, points 71
11

Alloy Composition

Aluminum (Al), % 5.5 to 6.8
81.7 to 86.9
Carbon (C), % 0 to 0.1
0
Copper (Cu), % 0
7.0 to 9.0
Hydrogen (H), % 0 to 0.015
0
Iron (Fe), % 0 to 0.4
0 to 0.5
Magnesium (Mg), % 0
5.5 to 6.5
Manganese (Mn), % 0
0.3 to 0.7
Nickel (Ni), % 0 to 0.050
0.3 to 0.7
Oxygen (O), % 0 to 0.25
0
Silicon (Si), % 0
0 to 0.5
Titanium (Ti), % 87.5 to 91
0 to 0.2
Vanadium (V), % 3.5 to 4.5
0
Zinc (Zn), % 0
0 to 0.1
Residuals, % 0
0 to 0.15