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

308.0 aluminum belongs to the aluminum alloys classification, while titanium 6-2-4-2 belongs to the titanium 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 308.0 aluminum and the bottom bar is titanium 6-2-4-2.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 73
110
Elongation at Break, % 2.0
8.6
Fatigue Strength, MPa 89
490
Poisson's Ratio 0.33
0.32
Shear Modulus, GPa 27
40
Shear Strength, MPa 150
560
Tensile Strength: Ultimate (UTS), MPa 190
950
Tensile Strength: Yield (Proof), MPa 110
880

Thermal Properties

Latent Heat of Fusion, J/g 470
400
Maximum Temperature: Mechanical, °C 170
300
Melting Completion (Liquidus), °C 620
1590
Melting Onset (Solidus), °C 540
1540
Specific Heat Capacity, J/kg-K 870
540
Thermal Conductivity, W/m-K 140
6.9
Thermal Expansion, µm/m-K 20
9.5

Electrical Properties

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

Otherwise Unclassified Properties

Base Metal Price, % relative 10
42
Density, g/cm3 2.9
4.6
Embodied Carbon, kg CO2/kg material 7.7
32
Embodied Energy, MJ/kg 140
520
Embodied Water, L/kg 1080
210

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 3.3
79
Resilience: Unit (Modulus of Resilience), kJ/m3 83
3640
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 47
34
Strength to Weight: Axial, points 18
57
Strength to Weight: Bending, points 25
46
Thermal Diffusivity, mm2/s 55
2.8
Thermal Shock Resistance, points 9.2
67

Alloy Composition

Aluminum (Al), % 85.7 to 91
5.5 to 6.5
Carbon (C), % 0
0 to 0.050
Copper (Cu), % 4.0 to 5.0
0
Hydrogen (H), % 0
0 to 0.015
Iron (Fe), % 0 to 1.0
0 to 0.25
Magnesium (Mg), % 0 to 0.1
0
Manganese (Mn), % 0 to 0.5
0
Molybdenum (Mo), % 0
1.8 to 2.2
Nitrogen (N), % 0
0 to 0.050
Oxygen (O), % 0
0 to 0.15
Silicon (Si), % 5.0 to 6.0
0.060 to 0.12
Tin (Sn), % 0
1.8 to 2.2
Titanium (Ti), % 0 to 0.25
83.7 to 87.2
Zinc (Zn), % 0 to 1.0
0
Zirconium (Zr), % 0
3.6 to 4.4
Residuals, % 0
0 to 0.4