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Grade C-5 Titanium vs. 515.0 Aluminum

Grade C-5 titanium belongs to the titanium alloys classification, while 515.0 aluminum belongs to the aluminum alloys. There are 22 material properties with values for both materials. Properties with values for just one material (10, in this case) are not shown.

For each property being compared, the top bar is grade C-5 titanium and the bottom bar is 515.0 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
70
Elongation at Break, % 6.7
10
Fatigue Strength, MPa 510
130
Poisson's Ratio 0.32
0.33
Shear Modulus, GPa 40
26
Tensile Strength: Ultimate (UTS), MPa 1000
280

Thermal Properties

Latent Heat of Fusion, J/g 410
470
Maximum Temperature: Mechanical, °C 340
170
Melting Completion (Liquidus), °C 1610
620
Melting Onset (Solidus), °C 1560
620
Specific Heat Capacity, J/kg-K 560
900
Thermal Expansion, µm/m-K 9.6
23

Otherwise Unclassified Properties

Base Metal Price, % relative 36
9.5
Density, g/cm3 4.4
2.6
Embodied Carbon, kg CO2/kg material 38
8.4
Embodied Energy, MJ/kg 610
150
Embodied Water, L/kg 200
1120

Common Calculations

Stiffness to Weight: Axial, points 13
15
Stiffness to Weight: Bending, points 35
52
Strength to Weight: Axial, points 63
30
Strength to Weight: Bending, points 50
36
Thermal Shock Resistance, points 71
13

Alloy Composition

Aluminum (Al), % 5.5 to 6.8
93.6 to 96.6
Carbon (C), % 0 to 0.1
0
Copper (Cu), % 0
0 to 0.2
Hydrogen (H), % 0 to 0.015
0
Iron (Fe), % 0 to 0.4
0 to 1.3
Magnesium (Mg), % 0
2.5 to 4.0
Manganese (Mn), % 0
0.4 to 0.6
Nickel (Ni), % 0 to 0.050
0
Oxygen (O), % 0 to 0.25
0
Silicon (Si), % 0
0.5 to 10
Titanium (Ti), % 87.5 to 91
0
Vanadium (V), % 3.5 to 4.5
0
Zinc (Zn), % 0
0 to 0.1
Residuals, % 0
0 to 0.15