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Titanium 6-7 vs. 2030 Aluminum

Titanium 6-7 belongs to the titanium alloys classification, while 2030 aluminum belongs to the aluminum alloys. There are 26 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is titanium 6-7 and the bottom bar is 2030 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
70
Elongation at Break, % 11
5.6 to 8.0
Fatigue Strength, MPa 530
91 to 110
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 45
26
Shear Strength, MPa 610
220 to 250
Tensile Strength: Ultimate (UTS), MPa 1020
370 to 420
Tensile Strength: Yield (Proof), MPa 900
240 to 270

Thermal Properties

Latent Heat of Fusion, J/g 410
390
Maximum Temperature: Mechanical, °C 300
190
Melting Completion (Liquidus), °C 1700
640
Melting Onset (Solidus), °C 1650
510
Specific Heat Capacity, J/kg-K 520
870
Thermal Expansion, µm/m-K 9.3
23

Otherwise Unclassified Properties

Base Metal Price, % relative 75
10
Density, g/cm3 5.1
3.1
Embodied Carbon, kg CO2/kg material 34
8.0
Embodied Energy, MJ/kg 540
150
Embodied Water, L/kg 190
1140

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
21 to 26
Resilience: Unit (Modulus of Resilience), kJ/m3 3460
390 to 530
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 32
45
Strength to Weight: Axial, points 56
33 to 38
Strength to Weight: Bending, points 44
37 to 40
Thermal Shock Resistance, points 66
16 to 19

Alloy Composition

Aluminum (Al), % 5.5 to 6.5
88.9 to 95.2
Bismuth (Bi), % 0
0 to 0.2
Carbon (C), % 0 to 0.080
0
Chromium (Cr), % 0
0 to 0.1
Copper (Cu), % 0
3.3 to 4.5
Hydrogen (H), % 0 to 0.0090
0
Iron (Fe), % 0 to 0.25
0 to 0.7
Lead (Pb), % 0
0.8 to 1.5
Magnesium (Mg), % 0
0.5 to 1.3
Manganese (Mn), % 0
0.2 to 1.0
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 0.8
Tantalum (Ta), % 0 to 0.5
0
Titanium (Ti), % 84.9 to 88
0 to 0.2
Zinc (Zn), % 0
0 to 0.5
Residuals, % 0
0 to 0.3