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Grade C-5 Titanium vs. 2095 Aluminum

Grade C-5 titanium belongs to the titanium alloys classification, while 2095 aluminum belongs to the aluminum alloys. There are 29 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is grade C-5 titanium and the bottom bar is 2095 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
70
Elongation at Break, % 6.7
8.5
Fatigue Strength, MPa 510
200
Poisson's Ratio 0.32
0.33
Shear Modulus, GPa 40
26
Tensile Strength: Ultimate (UTS), MPa 1000
700
Tensile Strength: Yield (Proof), MPa 940
610

Thermal Properties

Latent Heat of Fusion, J/g 410
390
Maximum Temperature: Mechanical, °C 340
210
Melting Completion (Liquidus), °C 1610
660
Melting Onset (Solidus), °C 1560
540
Specific Heat Capacity, J/kg-K 560
910
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
35
Electrical Conductivity: Equal Weight (Specific), % IACS 2.0
110

Otherwise Unclassified Properties

Base Metal Price, % relative 36
31
Density, g/cm3 4.4
3.0
Embodied Carbon, kg CO2/kg material 38
8.6
Embodied Energy, MJ/kg 610
160
Embodied Water, L/kg 200
1470

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 66
57
Resilience: Unit (Modulus of Resilience), kJ/m3 4200
2640
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 35
46
Strength to Weight: Axial, points 63
65
Strength to Weight: Bending, points 50
59
Thermal Diffusivity, mm2/s 2.9
49
Thermal Shock Resistance, points 71
31

Alloy Composition

Aluminum (Al), % 5.5 to 6.8
91.3 to 94.9
Carbon (C), % 0 to 0.1
0
Copper (Cu), % 0
3.9 to 4.6
Hydrogen (H), % 0 to 0.015
0
Iron (Fe), % 0 to 0.4
0 to 0.15
Lithium (Li), % 0
0.7 to 1.5
Magnesium (Mg), % 0
0.25 to 0.8
Manganese (Mn), % 0
0 to 0.25
Nickel (Ni), % 0 to 0.050
0
Oxygen (O), % 0 to 0.25
0
Silicon (Si), % 0
0 to 0.12
Silver (Ag), % 0
0.25 to 0.6
Titanium (Ti), % 87.5 to 91
0 to 0.1
Vanadium (V), % 3.5 to 4.5
0
Zinc (Zn), % 0
0 to 0.25
Zirconium (Zr), % 0
0.040 to 0.18
Residuals, % 0
0 to 0.15