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Titanium 6-2-4-2 vs. 355.0 Aluminum

Titanium 6-2-4-2 belongs to the titanium alloys classification, while 355.0 aluminum belongs to the aluminum alloys. There are 30 material properties with values for both materials. Properties with values for just one material (3, 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 355.0 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
71
Elongation at Break, % 8.6
1.5 to 2.6
Fatigue Strength, MPa 490
55 to 70
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
200 to 260
Tensile Strength: Yield (Proof), MPa 880
150 to 190

Thermal Properties

Latent Heat of Fusion, J/g 400
470
Maximum Temperature: Mechanical, °C 300
180
Melting Completion (Liquidus), °C 1590
620
Melting Onset (Solidus), °C 1540
560
Specific Heat Capacity, J/kg-K 540
890
Thermal Conductivity, W/m-K 6.9
150 to 170
Thermal Expansion, µm/m-K 9.5
22

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 0.9
38 to 43
Electrical Conductivity: Equal Weight (Specific), % IACS 1.8
120 to 140

Otherwise Unclassified Properties

Base Metal Price, % relative 42
9.5
Density, g/cm3 4.6
2.7
Embodied Carbon, kg CO2/kg material 32
8.0
Embodied Energy, MJ/kg 520
150
Embodied Water, L/kg 210
1120

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 79
2.7 to 5.9
Resilience: Unit (Modulus of Resilience), kJ/m3 3640
150 to 250
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 34
51
Strength to Weight: Axial, points 57
20 to 27
Strength to Weight: Bending, points 46
28 to 33
Thermal Diffusivity, mm2/s 2.8
60 to 69
Thermal Shock Resistance, points 67
9.1 to 12

Alloy Composition

Aluminum (Al), % 5.5 to 6.5
90.3 to 94.1
Carbon (C), % 0 to 0.050
0
Chromium (Cr), % 0
0 to 0.25
Copper (Cu), % 0
1.0 to 1.5
Hydrogen (H), % 0 to 0.015
0
Iron (Fe), % 0 to 0.25
0 to 0.6
Magnesium (Mg), % 0
0.4 to 0.6
Manganese (Mn), % 0
0 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
4.5 to 5.5
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