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8176 Aluminum vs. Titanium 6-7

8176 aluminum belongs to the aluminum alloys classification, while titanium 6-7 belongs to the titanium 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 8176 aluminum and the bottom bar is titanium 6-7.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 69
120
Elongation at Break, % 15
11
Fatigue Strength, MPa 59
530
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 26
45
Shear Strength, MPa 70
610
Tensile Strength: Ultimate (UTS), MPa 160
1020
Tensile Strength: Yield (Proof), MPa 95
900

Thermal Properties

Latent Heat of Fusion, J/g 400
410
Maximum Temperature: Mechanical, °C 170
300
Melting Completion (Liquidus), °C 660
1700
Melting Onset (Solidus), °C 650
1650
Specific Heat Capacity, J/kg-K 900
520
Thermal Expansion, µm/m-K 24
9.3

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
75
Density, g/cm3 2.7
5.1
Embodied Carbon, kg CO2/kg material 8.2
34
Embodied Energy, MJ/kg 150
540
Embodied Water, L/kg 1190
190

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 21
110
Resilience: Unit (Modulus of Resilience), kJ/m3 66
3460
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 50
32
Strength to Weight: Axial, points 16
56
Strength to Weight: Bending, points 24
44
Thermal Shock Resistance, points 7.0
66

Alloy Composition

Aluminum (Al), % 98.6 to 99.6
5.5 to 6.5
Carbon (C), % 0
0 to 0.080
Gallium (Ga), % 0 to 0.030
0
Hydrogen (H), % 0
0 to 0.0090
Iron (Fe), % 0.4 to 1.0
0 to 0.25
Molybdenum (Mo), % 0
6.5 to 7.5
Niobium (Nb), % 0
6.5 to 7.5
Nitrogen (N), % 0
0 to 0.050
Oxygen (O), % 0
0 to 0.2
Silicon (Si), % 0.030 to 0.15
0
Tantalum (Ta), % 0
0 to 0.5
Titanium (Ti), % 0
84.9 to 88
Zinc (Zn), % 0 to 0.1
0
Residuals, % 0 to 0.15
0