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Grade C-5 Titanium vs. 772.0 Aluminum

Grade C-5 titanium belongs to the titanium alloys classification, while 772.0 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 772.0 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
69
Elongation at Break, % 6.7
6.3 to 8.4
Fatigue Strength, MPa 510
94 to 160
Poisson's Ratio 0.32
0.32
Shear Modulus, GPa 40
26
Tensile Strength: Ultimate (UTS), MPa 1000
260 to 320
Tensile Strength: Yield (Proof), MPa 940
220 to 250

Thermal Properties

Latent Heat of Fusion, J/g 410
380
Maximum Temperature: Mechanical, °C 340
180
Melting Completion (Liquidus), °C 1610
630
Melting Onset (Solidus), °C 1560
580
Specific Heat Capacity, J/kg-K 560
870
Thermal Conductivity, W/m-K 7.1
150
Thermal Expansion, µm/m-K 9.6
24

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
9.5
Density, g/cm3 4.4
3.0
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
16 to 25
Resilience: Unit (Modulus of Resilience), kJ/m3 4200
350 to 430
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 35
46
Strength to Weight: Axial, points 63
25 to 31
Strength to Weight: Bending, points 50
31 to 36
Thermal Diffusivity, mm2/s 2.9
58
Thermal Shock Resistance, points 71
11 to 14

Alloy Composition

Aluminum (Al), % 5.5 to 6.8
91.2 to 93.2
Carbon (C), % 0 to 0.1
0
Chromium (Cr), % 0
0.060 to 0.2
Copper (Cu), % 0
0 to 0.1
Hydrogen (H), % 0 to 0.015
0
Iron (Fe), % 0 to 0.4
0 to 0.15
Magnesium (Mg), % 0
0.6 to 0.8
Manganese (Mn), % 0
0 to 0.1
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
0.1 to 0.2
Vanadium (V), % 3.5 to 4.5
0
Zinc (Zn), % 0
6.0 to 7.0
Residuals, % 0
0 to 0.15