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5042 Aluminum vs. Titanium 6-2-4-2

5042 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 (1, in this case) are not shown.

For each property being compared, the top bar is 5042 aluminum and the bottom bar is titanium 6-2-4-2.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 68
110
Elongation at Break, % 1.1 to 3.4
8.6
Fatigue Strength, MPa 97 to 120
490
Poisson's Ratio 0.33
0.32
Shear Modulus, GPa 26
40
Shear Strength, MPa 200
560
Tensile Strength: Ultimate (UTS), MPa 340 to 360
950
Tensile Strength: Yield (Proof), MPa 270 to 310
880

Thermal Properties

Latent Heat of Fusion, J/g 400
400
Maximum Temperature: Mechanical, °C 180
300
Melting Completion (Liquidus), °C 640
1590
Melting Onset (Solidus), °C 570
1540
Specific Heat Capacity, J/kg-K 900
540
Thermal Conductivity, W/m-K 130
6.9
Thermal Expansion, µm/m-K 24
9.5

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 33
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 8.8
32
Embodied Energy, MJ/kg 150
520
Embodied Water, L/kg 1180
210

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 3.6 to 12
79
Resilience: Unit (Modulus of Resilience), kJ/m3 550 to 720
3640
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 50
34
Strength to Weight: Axial, points 35 to 37
57
Strength to Weight: Bending, points 40 to 42
46
Thermal Diffusivity, mm2/s 53
2.8
Thermal Shock Resistance, points 15 to 16
67

Alloy Composition

Aluminum (Al), % 94.2 to 96.8
5.5 to 6.5
Carbon (C), % 0
0 to 0.050
Chromium (Cr), % 0 to 0.1
0
Copper (Cu), % 0 to 0.15
0
Hydrogen (H), % 0
0 to 0.015
Iron (Fe), % 0 to 0.35
0 to 0.25
Magnesium (Mg), % 3.0 to 4.0
0
Manganese (Mn), % 0.2 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), % 0 to 0.2
0.060 to 0.12
Tin (Sn), % 0
1.8 to 2.2
Titanium (Ti), % 0 to 0.1
83.7 to 87.2
Zinc (Zn), % 0 to 0.25
0
Zirconium (Zr), % 0
3.6 to 4.4
Residuals, % 0
0 to 0.4