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Titanium 6-2-4-2 vs. 515.0 Aluminum

Titanium 6-2-4-2 belongs to the titanium alloys classification, while 515.0 aluminum belongs to the aluminum alloys. There are 23 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.

For each property being compared, the top bar is titanium 6-2-4-2 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, % 8.6
10
Fatigue Strength, MPa 490
130
Poisson's Ratio 0.32
0.33
Shear Modulus, GPa 40
26
Shear Strength, MPa 560
190
Tensile Strength: Ultimate (UTS), MPa 950
280

Thermal Properties

Latent Heat of Fusion, J/g 400
470
Maximum Temperature: Mechanical, °C 300
170
Melting Completion (Liquidus), °C 1590
620
Melting Onset (Solidus), °C 1540
620
Specific Heat Capacity, J/kg-K 540
900
Thermal Expansion, µm/m-K 9.5
23

Otherwise Unclassified Properties

Base Metal Price, % relative 42
9.5
Density, g/cm3 4.6
2.6
Embodied Carbon, kg CO2/kg material 32
8.4
Embodied Energy, MJ/kg 520
150
Embodied Water, L/kg 210
1120

Common Calculations

Stiffness to Weight: Axial, points 13
15
Stiffness to Weight: Bending, points 34
52
Strength to Weight: Axial, points 57
30
Strength to Weight: Bending, points 46
36
Thermal Shock Resistance, points 67
13

Alloy Composition

Aluminum (Al), % 5.5 to 6.5
93.6 to 96.6
Carbon (C), % 0 to 0.050
0
Copper (Cu), % 0
0 to 0.2
Hydrogen (H), % 0 to 0.015
0
Iron (Fe), % 0 to 0.25
0 to 1.3
Magnesium (Mg), % 0
2.5 to 4.0
Manganese (Mn), % 0
0.4 to 0.6
Molybdenum (Mo), % 1.8 to 2.2
0
Nitrogen (N), % 0 to 0.050
0
Oxygen (O), % 0 to 0.15
0
Silicon (Si), % 0.060 to 0.12
0.5 to 10
Tin (Sn), % 1.8 to 2.2
0
Titanium (Ti), % 83.7 to 87.2
0
Zinc (Zn), % 0
0 to 0.1
Zirconium (Zr), % 3.6 to 4.4
0
Residuals, % 0
0 to 0.15