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5059-O Aluminum vs. Annealed Grade 9 Titanium

5059-O aluminum belongs to the aluminum alloys classification, while annealed 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 (2, in this case) are not shown.

For each property being compared, the top bar is 5059-O aluminum and the bottom bar is annealed grade 9 titanium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 69
110
Elongation at Break, % 25
17
Fatigue Strength, MPa 200
350
Poisson's Ratio 0.33
0.32
Shear Modulus, GPa 26
40
Shear Strength, MPa 230
430
Tensile Strength: Ultimate (UTS), MPa 360
700
Tensile Strength: Yield (Proof), MPa 170
550

Thermal Properties

Latent Heat of Fusion, J/g 390
410
Maximum Temperature: Mechanical, °C 210
330
Melting Completion (Liquidus), °C 650
1640
Melting Onset (Solidus), °C 510
1590
Specific Heat Capacity, J/kg-K 900
550
Thermal Conductivity, W/m-K 110
8.1
Thermal Expansion, µm/m-K 24
9.1

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 29
1.4
Electrical Conductivity: Equal Weight (Specific), % IACS 95
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 9.1
36
Embodied Energy, MJ/kg 160
580
Embodied Water, L/kg 1160
150

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 75
110
Resilience: Unit (Modulus of Resilience), kJ/m3 220
1410
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 50
35
Strength to Weight: Axial, points 36
43
Strength to Weight: Bending, points 41
39
Thermal Diffusivity, mm2/s 44
3.3
Thermal Shock Resistance, points 16
52

Alloy Composition

Aluminum (Al), % 89.9 to 94
2.5 to 3.5
Carbon (C), % 0
0 to 0.080
Chromium (Cr), % 0 to 0.25
0
Copper (Cu), % 0 to 0.25
0
Hydrogen (H), % 0
0 to 0.015
Iron (Fe), % 0 to 0.5
0 to 0.25
Magnesium (Mg), % 5.0 to 6.0
0
Manganese (Mn), % 0.6 to 1.2
0
Nitrogen (N), % 0
0 to 0.030
Oxygen (O), % 0
0 to 0.15
Silicon (Si), % 0 to 0.45
0
Titanium (Ti), % 0 to 0.2
92.6 to 95.5
Vanadium (V), % 0
2.0 to 3.0
Zinc (Zn), % 0.4 to 0.9
0
Zirconium (Zr), % 0.050 to 0.25
0
Residuals, % 0
0 to 0.4