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Titanium 6-2-4-2 vs. 206.0 Aluminum

Titanium 6-2-4-2 belongs to the titanium alloys classification, while 206.0 aluminum belongs to the aluminum alloys. There are 30 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is titanium 6-2-4-2 and the bottom bar is 206.0 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
71
Elongation at Break, % 8.6
8.4 to 12
Fatigue Strength, MPa 490
88 to 210
Poisson's Ratio 0.32
0.33
Shear Modulus, GPa 40
27
Shear Strength, MPa 560
260
Tensile Strength: Ultimate (UTS), MPa 950
330 to 440
Tensile Strength: Yield (Proof), MPa 880
190 to 350

Thermal Properties

Latent Heat of Fusion, J/g 400
390
Maximum Temperature: Mechanical, °C 300
170
Melting Completion (Liquidus), °C 1590
650
Melting Onset (Solidus), °C 1540
570
Specific Heat Capacity, J/kg-K 540
880
Thermal Conductivity, W/m-K 6.9
120
Thermal Expansion, µm/m-K 9.5
19

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 0.9
33
Electrical Conductivity: Equal Weight (Specific), % IACS 1.8
99

Otherwise Unclassified Properties

Base Metal Price, % relative 42
11
Density, g/cm3 4.6
3.0
Embodied Carbon, kg CO2/kg material 32
8.0
Embodied Energy, MJ/kg 520
150
Embodied Water, L/kg 210
1150

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 79
24 to 49
Resilience: Unit (Modulus of Resilience), kJ/m3 3640
270 to 840
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 34
46
Strength to Weight: Axial, points 57
30 to 40
Strength to Weight: Bending, points 46
35 to 42
Thermal Diffusivity, mm2/s 2.8
46
Thermal Shock Resistance, points 67
17 to 23

Alloy Composition

Aluminum (Al), % 5.5 to 6.5
93.3 to 95.3
Carbon (C), % 0 to 0.050
0
Copper (Cu), % 0
4.2 to 5.0
Hydrogen (H), % 0 to 0.015
0
Iron (Fe), % 0 to 0.25
0 to 0.15
Magnesium (Mg), % 0
0.15 to 0.35
Manganese (Mn), % 0
0.2 to 0.5
Molybdenum (Mo), % 1.8 to 2.2
0
Nickel (Ni), % 0
0 to 0.050
Nitrogen (N), % 0 to 0.050
0
Oxygen (O), % 0 to 0.15
0
Silicon (Si), % 0.060 to 0.12
0 to 0.1
Tin (Sn), % 1.8 to 2.2
0 to 0.050
Titanium (Ti), % 83.7 to 87.2
0.15 to 0.3
Zinc (Zn), % 0
0 to 0.1
Zirconium (Zr), % 3.6 to 4.4
0
Residuals, % 0
0 to 0.15