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5050 Aluminum vs. Grade 9 Titanium

5050 aluminum belongs to the aluminum alloys classification, while grade 9 titanium 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 5050 aluminum and the bottom bar is grade 9 titanium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 68
110
Elongation at Break, % 1.7 to 22
11 to 17
Fatigue Strength, MPa 45 to 100
330 to 480
Poisson's Ratio 0.33
0.32
Shear Modulus, GPa 26
40
Shear Strength, MPa 91 to 140
430 to 580
Tensile Strength: Ultimate (UTS), MPa 140 to 250
700 to 960
Tensile Strength: Yield (Proof), MPa 50 to 210
540 to 830

Thermal Properties

Latent Heat of Fusion, J/g 400
410
Maximum Temperature: Mechanical, °C 180
330
Melting Completion (Liquidus), °C 650
1640
Melting Onset (Solidus), °C 630
1590
Specific Heat Capacity, J/kg-K 900
550
Thermal Conductivity, W/m-K 190
8.1
Thermal Expansion, µm/m-K 24
9.1

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 50
1.4
Electrical Conductivity: Equal Weight (Specific), % IACS 170
2.7

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
37
Density, g/cm3 2.7
4.5
Embodied Carbon, kg CO2/kg material 8.4
36
Embodied Energy, MJ/kg 150
580
Embodied Water, L/kg 1190
150

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 4.1 to 24
89 to 110
Resilience: Unit (Modulus of Resilience), kJ/m3 18 to 330
1380 to 3220
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 50
35
Strength to Weight: Axial, points 15 to 26
43 to 60
Strength to Weight: Bending, points 22 to 33
39 to 48
Thermal Diffusivity, mm2/s 79
3.3
Thermal Shock Resistance, points 6.3 to 11
52 to 71

Alloy Composition

Aluminum (Al), % 96.3 to 98.9
2.5 to 3.5
Carbon (C), % 0
0 to 0.080
Chromium (Cr), % 0 to 0.1
0
Copper (Cu), % 0 to 0.2
0
Hydrogen (H), % 0
0 to 0.015
Iron (Fe), % 0 to 0.7
0 to 0.25
Magnesium (Mg), % 1.1 to 1.8
0
Manganese (Mn), % 0 to 0.1
0
Nitrogen (N), % 0
0 to 0.030
Oxygen (O), % 0
0 to 0.15
Silicon (Si), % 0 to 0.4
0
Titanium (Ti), % 0
92.6 to 95.5
Vanadium (V), % 0
2.0 to 3.0
Zinc (Zn), % 0 to 0.25
0
Residuals, % 0
0 to 0.4

Comparable Variants