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Grade C-2 Titanium vs. 2095 Aluminum

Grade C-2 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-2 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, % 17
8.5
Fatigue Strength, MPa 200
200
Poisson's Ratio 0.32
0.33
Shear Modulus, GPa 40
26
Tensile Strength: Ultimate (UTS), MPa 390
700
Tensile Strength: Yield (Proof), MPa 310
610

Thermal Properties

Latent Heat of Fusion, J/g 420
390
Maximum Temperature: Mechanical, °C 320
210
Melting Completion (Liquidus), °C 1660
660
Melting Onset (Solidus), °C 1610
540
Specific Heat Capacity, J/kg-K 540
910
Thermal Conductivity, W/m-K 21
130
Thermal Expansion, µm/m-K 8.7
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.6
35
Electrical Conductivity: Equal Weight (Specific), % IACS 7.1
110

Otherwise Unclassified Properties

Base Metal Price, % relative 37
31
Density, g/cm3 4.5
3.0
Embodied Carbon, kg CO2/kg material 31
8.6
Embodied Energy, MJ/kg 510
160
Embodied Water, L/kg 110
1470

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 61
57
Resilience: Unit (Modulus of Resilience), kJ/m3 460
2640
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 35
46
Strength to Weight: Axial, points 24
65
Strength to Weight: Bending, points 26
59
Thermal Diffusivity, mm2/s 8.8
49
Thermal Shock Resistance, points 30
31

Alloy Composition

Aluminum (Al), % 0
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 0.2
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 0.4
0
Silicon (Si), % 0
0 to 0.12
Silver (Ag), % 0
0.25 to 0.6
Titanium (Ti), % 98.8 to 100
0 to 0.1
Zinc (Zn), % 0
0 to 0.25
Zirconium (Zr), % 0
0.040 to 0.18
Residuals, % 0
0 to 0.15