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2011A Aluminum vs. Grade 6 Titanium

2011A aluminum belongs to the aluminum alloys classification, while grade 6 titanium belongs to the titanium alloys. There are 30 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.

For each property being compared, the top bar is 2011A aluminum and the bottom bar is grade 6 titanium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 70
100
Elongation at Break, % 6.8 to 16
11
Fatigue Strength, MPa 75 to 100
290
Poisson's Ratio 0.33
0.32
Shear Modulus, GPa 26
39
Shear Strength, MPa 190 to 250
530
Tensile Strength: Ultimate (UTS), MPa 310 to 410
890
Tensile Strength: Yield (Proof), MPa 140 to 310
840

Thermal Properties

Latent Heat of Fusion, J/g 390
410
Maximum Temperature: Mechanical, °C 190
310
Melting Completion (Liquidus), °C 660
1580
Melting Onset (Solidus), °C 550
1530
Specific Heat Capacity, J/kg-K 870
550
Thermal Conductivity, W/m-K 130
7.8
Thermal Expansion, µm/m-K 23
9.4

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 33
1.2
Electrical Conductivity: Equal Weight (Specific), % IACS 96
2.5

Otherwise Unclassified Properties

Base Metal Price, % relative 11
36
Density, g/cm3 3.1
4.5
Embodied Carbon, kg CO2/kg material 7.9
30
Embodied Energy, MJ/kg 150
480
Embodied Water, L/kg 1150
190

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 20 to 40
92
Resilience: Unit (Modulus of Resilience), kJ/m3 140 to 670
3390
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 44
35
Strength to Weight: Axial, points 28 to 37
55
Strength to Weight: Bending, points 33 to 40
46
Thermal Diffusivity, mm2/s 49
3.2
Thermal Shock Resistance, points 14 to 18
65

Alloy Composition

Aluminum (Al), % 91.5 to 95.1
4.0 to 6.0
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 0.015
Iron (Fe), % 0 to 0.5
0 to 0.5
Lead (Pb), % 0.2 to 0.6
0
Nitrogen (N), % 0
0 to 0.030
Oxygen (O), % 0
0 to 0.2
Silicon (Si), % 0 to 0.4
0
Tin (Sn), % 0
2.0 to 3.0
Titanium (Ti), % 0
89.8 to 94
Zinc (Zn), % 0 to 0.3
0
Residuals, % 0
0 to 0.4