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Titanium 6-7 vs. 5040 Aluminum

Titanium 6-7 belongs to the titanium alloys classification, while 5040 aluminum belongs to the aluminum alloys. There are 26 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is titanium 6-7 and the bottom bar is 5040 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
70
Elongation at Break, % 11
5.7 to 6.8
Fatigue Strength, MPa 530
100 to 130
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 45
26
Shear Strength, MPa 610
140 to 150
Tensile Strength: Ultimate (UTS), MPa 1020
240 to 260
Tensile Strength: Yield (Proof), MPa 900
190 to 230

Thermal Properties

Latent Heat of Fusion, J/g 410
400
Maximum Temperature: Mechanical, °C 300
190
Melting Completion (Liquidus), °C 1700
650
Melting Onset (Solidus), °C 1650
600
Specific Heat Capacity, J/kg-K 520
900
Thermal Expansion, µm/m-K 9.3
23

Otherwise Unclassified Properties

Base Metal Price, % relative 75
9.5
Density, g/cm3 5.1
2.8
Embodied Carbon, kg CO2/kg material 34
8.3
Embodied Energy, MJ/kg 540
150
Embodied Water, L/kg 190
1180

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
14 to 15
Resilience: Unit (Modulus of Resilience), kJ/m3 3460
260 to 380
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 32
50
Strength to Weight: Axial, points 56
24 to 26
Strength to Weight: Bending, points 44
31 to 32
Thermal Shock Resistance, points 66
10 to 11

Alloy Composition

Aluminum (Al), % 5.5 to 6.5
95.2 to 98
Carbon (C), % 0 to 0.080
0
Chromium (Cr), % 0
0.1 to 0.3
Copper (Cu), % 0
0 to 0.25
Hydrogen (H), % 0 to 0.0090
0
Iron (Fe), % 0 to 0.25
0 to 0.7
Magnesium (Mg), % 0
1.0 to 1.5
Manganese (Mn), % 0
0.9 to 1.4
Molybdenum (Mo), % 6.5 to 7.5
0
Niobium (Nb), % 6.5 to 7.5
0
Nitrogen (N), % 0 to 0.050
0
Oxygen (O), % 0 to 0.2
0
Silicon (Si), % 0
0 to 0.3
Tantalum (Ta), % 0 to 0.5
0
Titanium (Ti), % 84.9 to 88
0
Zinc (Zn), % 0
0 to 0.25
Residuals, % 0
0 to 0.15