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Titanium 6-5-0.5 vs. 7075 Aluminum

Titanium 6-5-0.5 belongs to the titanium alloys classification, while 7075 aluminum belongs to the aluminum alloys. There are 30 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is titanium 6-5-0.5 and the bottom bar is 7075 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
70
Elongation at Break, % 6.7
1.8 to 12
Fatigue Strength, MPa 530
110 to 190
Poisson's Ratio 0.32
0.32
Shear Modulus, GPa 40
26
Shear Strength, MPa 630
150 to 340
Tensile Strength: Ultimate (UTS), MPa 1080
240 to 590
Tensile Strength: Yield (Proof), MPa 990
120 to 510

Thermal Properties

Latent Heat of Fusion, J/g 410
380
Maximum Temperature: Mechanical, °C 300
200
Melting Completion (Liquidus), °C 1610
640
Melting Onset (Solidus), °C 1560
480
Specific Heat Capacity, J/kg-K 550
870
Thermal Conductivity, W/m-K 4.2
130
Thermal Expansion, µm/m-K 9.4
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.0
33
Electrical Conductivity: Equal Weight (Specific), % IACS 2.1
98

Otherwise Unclassified Properties

Base Metal Price, % relative 41
10
Density, g/cm3 4.5
3.0
Embodied Carbon, kg CO2/kg material 33
8.3
Embodied Energy, MJ/kg 540
150
Embodied Water, L/kg 180
1120

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 71
7.8 to 44
Resilience: Unit (Modulus of Resilience), kJ/m3 4630
110 to 1870
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 35
46
Strength to Weight: Axial, points 67
22 to 54
Strength to Weight: Bending, points 52
28 to 52
Thermal Diffusivity, mm2/s 1.7
50
Thermal Shock Resistance, points 79
10 to 25

Alloy Composition

Aluminum (Al), % 5.7 to 6.3
86.9 to 91.4
Carbon (C), % 0 to 0.080
0
Chromium (Cr), % 0
0.18 to 0.28
Copper (Cu), % 0
1.2 to 2.0
Hydrogen (H), % 0 to 0.015
0
Iron (Fe), % 0 to 0.2
0 to 0.5
Magnesium (Mg), % 0
2.1 to 2.9
Manganese (Mn), % 0
0 to 0.3
Molybdenum (Mo), % 0.25 to 0.75
0
Nitrogen (N), % 0 to 0.050
0
Oxygen (O), % 0 to 0.19
0
Silicon (Si), % 0 to 0.4
0 to 0.4
Titanium (Ti), % 85.6 to 90.1
0 to 0.2
Zinc (Zn), % 0
5.1 to 6.1
Zirconium (Zr), % 4.0 to 6.0
0 to 0.25
Residuals, % 0 to 0.4
0 to 0.15