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6008 Aluminum vs. Titanium 6-7

6008 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 6008 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, % 9.1 to 17
11
Fatigue Strength, MPa 55 to 88
530
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 26
45
Shear Strength, MPa 120 to 170
610
Tensile Strength: Ultimate (UTS), MPa 200 to 290
1020
Tensile Strength: Yield (Proof), MPa 100 to 220
900

Thermal Properties

Latent Heat of Fusion, J/g 410
410
Maximum Temperature: Mechanical, °C 180
300
Melting Completion (Liquidus), °C 640
1700
Melting Onset (Solidus), °C 620
1650
Specific Heat Capacity, J/kg-K 900
520
Thermal Expansion, µm/m-K 23
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 8.5
34
Embodied Energy, MJ/kg 160
540
Embodied Water, L/kg 1180
190

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 24 to 28
110
Resilience: Unit (Modulus of Resilience), kJ/m3 76 to 360
3460
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 50
32
Strength to Weight: Axial, points 21 to 29
56
Strength to Weight: Bending, points 28 to 35
44
Thermal Shock Resistance, points 9.0 to 13
66

Alloy Composition

Aluminum (Al), % 96.5 to 99.1
5.5 to 6.5
Carbon (C), % 0
0 to 0.080
Chromium (Cr), % 0 to 0.3
0
Copper (Cu), % 0 to 0.3
0
Hydrogen (H), % 0
0 to 0.0090
Iron (Fe), % 0 to 0.35
0 to 0.25
Magnesium (Mg), % 0.4 to 0.7
0
Manganese (Mn), % 0 to 0.3
0
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), % 0.5 to 0.9
0
Tantalum (Ta), % 0
0 to 0.5
Titanium (Ti), % 0 to 0.1
84.9 to 88
Vanadium (V), % 0.050 to 0.2
0
Zinc (Zn), % 0 to 0.2
0
Residuals, % 0 to 0.15
0