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Titanium 6-7 vs. 7475 Aluminum

Titanium 6-7 belongs to the titanium alloys classification, while 7475 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 7475 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
70
Elongation at Break, % 11
10 to 12
Fatigue Strength, MPa 530
190 to 210
Poisson's Ratio 0.33
0.32
Shear Modulus, GPa 45
26
Shear Strength, MPa 610
320 to 350
Tensile Strength: Ultimate (UTS), MPa 1020
530 to 590
Tensile Strength: Yield (Proof), MPa 900
440 to 520

Thermal Properties

Latent Heat of Fusion, J/g 410
380
Maximum Temperature: Mechanical, °C 300
180
Melting Completion (Liquidus), °C 1700
640
Melting Onset (Solidus), °C 1650
480
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
3.0
Embodied Carbon, kg CO2/kg material 34
8.2
Embodied Energy, MJ/kg 540
150
Embodied Water, L/kg 190
1130

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
53 to 68
Resilience: Unit (Modulus of Resilience), kJ/m3 3460
1390 to 1920
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 32
46
Strength to Weight: Axial, points 56
49 to 55
Strength to Weight: Bending, points 44
48 to 52
Thermal Shock Resistance, points 66
23 to 26

Alloy Composition

Aluminum (Al), % 5.5 to 6.5
88.6 to 91.6
Carbon (C), % 0 to 0.080
0
Chromium (Cr), % 0
0.18 to 0.25
Copper (Cu), % 0
1.2 to 1.9
Hydrogen (H), % 0 to 0.0090
0
Iron (Fe), % 0 to 0.25
0 to 0.12
Magnesium (Mg), % 0
1.9 to 2.6
Manganese (Mn), % 0
0 to 0.060
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 0.1
Tantalum (Ta), % 0 to 0.5
0
Titanium (Ti), % 84.9 to 88
0 to 0.060
Zinc (Zn), % 0
5.1 to 6.2
Residuals, % 0
0 to 0.15