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2011A Aluminum vs. Titanium 6-7

2011A 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 2011A aluminum and the bottom bar is titanium 6-7.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 70
120
Elongation at Break, % 6.8 to 16
11
Fatigue Strength, MPa 75 to 100
530
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 26
45
Shear Strength, MPa 190 to 250
610
Tensile Strength: Ultimate (UTS), MPa 310 to 410
1020
Tensile Strength: Yield (Proof), MPa 140 to 310
900

Thermal Properties

Latent Heat of Fusion, J/g 390
410
Maximum Temperature: Mechanical, °C 190
300
Melting Completion (Liquidus), °C 660
1700
Melting Onset (Solidus), °C 550
1650
Specific Heat Capacity, J/kg-K 870
520
Thermal Expansion, µm/m-K 23
9.3

Otherwise Unclassified Properties

Base Metal Price, % relative 11
75
Density, g/cm3 3.1
5.1
Embodied Carbon, kg CO2/kg material 7.9
34
Embodied Energy, MJ/kg 150
540
Embodied Water, L/kg 1150
190

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 20 to 40
110
Resilience: Unit (Modulus of Resilience), kJ/m3 140 to 670
3460
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 44
32
Strength to Weight: Axial, points 28 to 37
56
Strength to Weight: Bending, points 33 to 40
44
Thermal Shock Resistance, points 14 to 18
66

Alloy Composition

Aluminum (Al), % 91.5 to 95.1
5.5 to 6.5
Bismuth (Bi), % 0.2 to 0.6
0
Carbon (C), % 0
0 to 0.080
Copper (Cu), % 4.5 to 6.0
0
Hydrogen (H), % 0
0 to 0.0090
Iron (Fe), % 0 to 0.5
0 to 0.25
Lead (Pb), % 0.2 to 0.6
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 to 0.4
0
Tantalum (Ta), % 0
0 to 0.5
Titanium (Ti), % 0
84.9 to 88
Zinc (Zn), % 0 to 0.3
0
Residuals, % 0 to 0.15
0