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5182 Aluminum vs. Grade 23 Titanium

5182 aluminum belongs to the aluminum alloys classification, while grade 23 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 5182 aluminum and the bottom bar is grade 23 titanium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 68
110
Elongation at Break, % 1.1 to 12
6.7 to 11
Fatigue Strength, MPa 100 to 130
470 to 500
Poisson's Ratio 0.33
0.32
Shear Modulus, GPa 25
40
Shear Strength, MPa 170 to 240
540 to 570
Tensile Strength: Ultimate (UTS), MPa 280 to 420
930 to 940
Tensile Strength: Yield (Proof), MPa 130 to 360
850 to 870

Thermal Properties

Latent Heat of Fusion, J/g 390
410
Maximum Temperature: Mechanical, °C 180
340
Melting Completion (Liquidus), °C 640
1610
Melting Onset (Solidus), °C 590
1560
Specific Heat Capacity, J/kg-K 900
560
Thermal Conductivity, W/m-K 130
7.1
Thermal Expansion, µm/m-K 24
9.4

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 28
1.0
Electrical Conductivity: Equal Weight (Specific), % IACS 94
2.0

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
36
Density, g/cm3 2.7
4.4
Embodied Carbon, kg CO2/kg material 8.9
38
Embodied Energy, MJ/kg 150
610
Embodied Water, L/kg 1180
200

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 2.6 to 49
61 to 100
Resilience: Unit (Modulus of Resilience), kJ/m3 120 to 950
3430 to 3560
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 51
35
Strength to Weight: Axial, points 29 to 44
58 to 59
Strength to Weight: Bending, points 36 to 47
48
Thermal Diffusivity, mm2/s 53
2.9
Thermal Shock Resistance, points 12 to 19
67 to 68

Alloy Composition


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Aluminum (Al), % 93.2 to 95.8
5.5 to 6.5
Carbon (C), % 0
0 to 0.080
Chromium (Cr), % 0 to 0.1
0
Copper (Cu), % 0 to 0.15
0
Hydrogen (H), % 0
0 to 0.013
Iron (Fe), % 0 to 0.35
0 to 0.25
Magnesium (Mg), % 4.0 to 5.0
0
Manganese (Mn), % 0.2 to 0.5
0
Nitrogen (N), % 0
0 to 0.030
Oxygen (O), % 0
0 to 0.13
Silicon (Si), % 0 to 0.2
0
Titanium (Ti), % 0 to 0.1
88.1 to 91
Vanadium (V), % 0
3.5 to 4.5
Zinc (Zn), % 0 to 0.25
0
Residuals, % 0 to 0.15
0 to 0.4

Comparable Variants