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Titanium 6-6-2 vs. 6101B Aluminum

Titanium 6-6-2 belongs to the titanium alloys classification, while 6101B aluminum belongs to the aluminum alloys. There are 29 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 6-6-2 and the bottom bar is 6101B aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
68
Elongation at Break, % 6.7 to 9.0
9.1 to 13
Fatigue Strength, MPa 590 to 670
62 to 70
Poisson's Ratio 0.32
0.33
Shear Modulus, GPa 44
26
Shear Strength, MPa 670 to 800
120 to 150
Tensile Strength: Ultimate (UTS), MPa 1140 to 1370
190 to 250
Tensile Strength: Yield (Proof), MPa 1040 to 1230
140 to 180

Thermal Properties

Latent Heat of Fusion, J/g 400
400
Maximum Temperature: Mechanical, °C 310
160
Melting Completion (Liquidus), °C 1610
640
Melting Onset (Solidus), °C 1560
630
Specific Heat Capacity, J/kg-K 540
900
Thermal Conductivity, W/m-K 5.5
210
Thermal Expansion, µm/m-K 9.4
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.1
57
Electrical Conductivity: Equal Weight (Specific), % IACS 2.1
190

Otherwise Unclassified Properties

Base Metal Price, % relative 40
9.5
Density, g/cm3 4.8
2.7
Embodied Carbon, kg CO2/kg material 29
8.3
Embodied Energy, MJ/kg 470
150
Embodied Water, L/kg 200
1190

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 89 to 99
20 to 23
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 34
50
Strength to Weight: Axial, points 66 to 79
20 to 25
Strength to Weight: Bending, points 50 to 57
27 to 32
Thermal Diffusivity, mm2/s 2.1
87
Thermal Shock Resistance, points 75 to 90
8.5 to 11

Alloy Composition

Aluminum (Al), % 5.0 to 6.0
98.2 to 99.3
Carbon (C), % 0 to 0.050
0
Copper (Cu), % 0.35 to 1.0
0 to 0.050
Hydrogen (H), % 0 to 0.015
0
Iron (Fe), % 0.35 to 1.0
0.1 to 0.3
Magnesium (Mg), % 0
0.35 to 0.6
Manganese (Mn), % 0
0 to 0.050
Molybdenum (Mo), % 5.0 to 6.0
0
Nitrogen (N), % 0 to 0.040
0
Oxygen (O), % 0 to 0.2
0
Silicon (Si), % 0
0.3 to 0.6
Tin (Sn), % 1.5 to 2.5
0
Titanium (Ti), % 82.8 to 87.8
0
Zinc (Zn), % 0
0 to 0.1
Residuals, % 0
0 to 0.1