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Titanium 6-2-4-2 vs. A242.0 Aluminum

Titanium 6-2-4-2 belongs to the titanium alloys classification, while A242.0 aluminum belongs to the aluminum alloys. There are 25 material properties with values for both materials. Properties with values for just one material (7, 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 A242.0 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
73
Elongation at Break, % 8.6
1.6
Poisson's Ratio 0.32
0.33
Shear Modulus, GPa 40
27
Tensile Strength: Ultimate (UTS), MPa 950
220

Thermal Properties

Latent Heat of Fusion, J/g 400
390
Maximum Temperature: Mechanical, °C 300
210
Melting Completion (Liquidus), °C 1590
680
Melting Onset (Solidus), °C 1540
550
Specific Heat Capacity, J/kg-K 540
870
Thermal Conductivity, W/m-K 6.9
140
Thermal Expansion, µm/m-K 9.5
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 0.9
37
Electrical Conductivity: Equal Weight (Specific), % IACS 1.8
110

Otherwise Unclassified Properties

Base Metal Price, % relative 42
12
Density, g/cm3 4.6
3.1
Embodied Carbon, kg CO2/kg material 32
8.3
Embodied Energy, MJ/kg 520
150
Embodied Water, L/kg 210
1130

Common Calculations

Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 34
45
Strength to Weight: Axial, points 57
20
Strength to Weight: Bending, points 46
26
Thermal Diffusivity, mm2/s 2.8
52
Thermal Shock Resistance, points 67
9.3

Alloy Composition

Aluminum (Al), % 5.5 to 6.5
89.3 to 93.1
Carbon (C), % 0 to 0.050
0
Chromium (Cr), % 0
0.15 to 0.25
Copper (Cu), % 0
3.7 to 4.5
Hydrogen (H), % 0 to 0.015
0
Iron (Fe), % 0 to 0.25
0 to 0.8
Magnesium (Mg), % 0
1.2 to 1.7
Manganese (Mn), % 0
0 to 0.1
Molybdenum (Mo), % 1.8 to 2.2
0
Nickel (Ni), % 0
1.8 to 2.3
Nitrogen (N), % 0 to 0.050
0
Oxygen (O), % 0 to 0.15
0
Silicon (Si), % 0.060 to 0.12
0 to 0.6
Tin (Sn), % 1.8 to 2.2
0
Titanium (Ti), % 83.7 to 87.2
0.070 to 0.2
Zinc (Zn), % 0
0 to 0.1
Zirconium (Zr), % 3.6 to 4.4
0
Residuals, % 0
0 to 0.15