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

354.0 aluminum belongs to the aluminum alloys classification, while titanium 6-2-4-2 belongs to the titanium alloys. There are 29 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is 354.0 aluminum and the bottom bar is titanium 6-2-4-2.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 71
110
Elongation at Break, % 2.4 to 3.0
8.6
Fatigue Strength, MPa 92 to 120
490
Poisson's Ratio 0.33
0.32
Shear Modulus, GPa 27
40
Tensile Strength: Ultimate (UTS), MPa 360 to 380
950
Tensile Strength: Yield (Proof), MPa 280 to 310
880

Thermal Properties

Latent Heat of Fusion, J/g 530
400
Maximum Temperature: Mechanical, °C 170
300
Melting Completion (Liquidus), °C 600
1590
Melting Onset (Solidus), °C 550
1540
Specific Heat Capacity, J/kg-K 900
540
Thermal Conductivity, W/m-K 130
6.9
Thermal Expansion, µm/m-K 21
9.5

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 32
0.9
Electrical Conductivity: Equal Weight (Specific), % IACS 110
1.8

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
42
Density, g/cm3 2.7
4.6
Embodied Carbon, kg CO2/kg material 7.8
32
Embodied Energy, MJ/kg 150
520
Embodied Water, L/kg 1070
210

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 8.6 to 9.8
79
Resilience: Unit (Modulus of Resilience), kJ/m3 540 to 670
3640
Stiffness to Weight: Axial, points 15
13
Stiffness to Weight: Bending, points 52
34
Strength to Weight: Axial, points 37 to 39
57
Strength to Weight: Bending, points 42 to 44
46
Thermal Diffusivity, mm2/s 52
2.8
Thermal Shock Resistance, points 17 to 18
67

Alloy Composition


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Aluminum (Al), % 87.3 to 89.4
5.5 to 6.5
Carbon (C), % 0
0 to 0.050
Copper (Cu), % 1.6 to 2.0
0
Hydrogen (H), % 0
0 to 0.015
Iron (Fe), % 0 to 0.2
0 to 0.25
Magnesium (Mg), % 0.4 to 0.6
0
Manganese (Mn), % 0 to 0.1
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), % 8.6 to 9.4
0.060 to 0.12
Tin (Sn), % 0
1.8 to 2.2
Titanium (Ti), % 0 to 0.2
83.7 to 87.2
Zinc (Zn), % 0 to 0.1
0
Zirconium (Zr), % 0
3.6 to 4.4
Residuals, % 0 to 0.15
0 to 0.4