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Titanium 6-2-4-2 vs. 201.0 Aluminum

Titanium 6-2-4-2 belongs to the titanium alloys classification, while 201.0 aluminum belongs to the aluminum alloys. There are 29 material properties with values for both materials. Properties with values for just one material (6, 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 201.0 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
71
Elongation at Break, % 8.6
4.4 to 20
Fatigue Strength, MPa 490
120 to 150
Poisson's Ratio 0.32
0.33
Shear Modulus, GPa 40
27
Shear Strength, MPa 560
290
Tensile Strength: Ultimate (UTS), MPa 950
370 to 470
Tensile Strength: Yield (Proof), MPa 880
220 to 400

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
870
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
30 to 33
Electrical Conductivity: Equal Weight (Specific), % IACS 1.8
87 to 97

Otherwise Unclassified Properties

Base Metal Price, % relative 42
38
Density, g/cm3 4.6
3.1
Embodied Carbon, kg CO2/kg material 32
8.7
Embodied Energy, MJ/kg 520
160

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 79
19 to 63
Resilience: Unit (Modulus of Resilience), kJ/m3 3640
330 to 1160
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 34
45
Strength to Weight: Axial, points 57
33 to 42
Strength to Weight: Bending, points 46
37 to 44
Thermal Diffusivity, mm2/s 2.8
45
Thermal Shock Resistance, points 67
19 to 25

Alloy Composition

Aluminum (Al), % 5.5 to 6.5
92.1 to 95.1
Carbon (C), % 0 to 0.050
0
Copper (Cu), % 0
4.0 to 5.2
Hydrogen (H), % 0 to 0.015
0
Iron (Fe), % 0 to 0.25
0 to 0.15
Magnesium (Mg), % 0
0.15 to 0.55
Manganese (Mn), % 0
0.2 to 0.5
Molybdenum (Mo), % 1.8 to 2.2
0
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
Silver (Ag), % 0
0.4 to 1.0
Tin (Sn), % 1.8 to 2.2
0
Titanium (Ti), % 83.7 to 87.2
0.15 to 0.35
Zirconium (Zr), % 3.6 to 4.4
0
Residuals, % 0
0 to 0.1