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Titanium 6-2-4-2 vs. 242.0 Aluminum

Titanium 6-2-4-2 belongs to the titanium alloys classification, while 242.0 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 242.0 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
73
Elongation at Break, % 8.6
0.5 to 1.5
Fatigue Strength, MPa 490
55 to 110
Poisson's Ratio 0.32
0.33
Shear Modulus, GPa 40
27
Shear Strength, MPa 560
150 to 240
Tensile Strength: Ultimate (UTS), MPa 950
180 to 290
Tensile Strength: Yield (Proof), MPa 880
120 to 220

Thermal Properties

Latent Heat of Fusion, J/g 400
390
Maximum Temperature: Mechanical, °C 300
210
Melting Completion (Liquidus), °C 1590
640
Melting Onset (Solidus), °C 1540
530
Specific Heat Capacity, J/kg-K 540
870
Thermal Conductivity, W/m-K 6.9
130 to 170
Thermal Expansion, µm/m-K 9.5
22

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 0.9
33 to 44
Electrical Conductivity: Equal Weight (Specific), % IACS 1.8
96 to 130

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

Resilience: Ultimate (Unit Rupture Work), MJ/m3 79
1.3 to 3.4
Resilience: Unit (Modulus of Resilience), kJ/m3 3640
110 to 340
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 34
45
Strength to Weight: Axial, points 57
16 to 26
Strength to Weight: Bending, points 46
23 to 32
Thermal Diffusivity, mm2/s 2.8
50 to 62
Thermal Shock Resistance, points 67
8.0 to 13

Alloy Composition

Aluminum (Al), % 5.5 to 6.5
88.4 to 93.6
Carbon (C), % 0 to 0.050
0
Chromium (Cr), % 0
0 to 0.25
Copper (Cu), % 0
3.5 to 4.5
Hydrogen (H), % 0 to 0.015
0
Iron (Fe), % 0 to 0.25
0 to 1.0
Magnesium (Mg), % 0
1.2 to 1.8
Manganese (Mn), % 0
0 to 0.35
Molybdenum (Mo), % 1.8 to 2.2
0
Nickel (Ni), % 0
1.7 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 0.7
Tin (Sn), % 1.8 to 2.2
0
Titanium (Ti), % 83.7 to 87.2
0 to 0.25
Zinc (Zn), % 0
0 to 0.35
Zirconium (Zr), % 3.6 to 4.4
0
Residuals, % 0
0 to 0.15