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Grade 27 Titanium vs. 5052 Aluminum

Grade 27 titanium belongs to the titanium alloys classification, while 5052 aluminum belongs to the aluminum 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 grade 27 titanium and the bottom bar is 5052 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
68
Elongation at Break, % 27
1.1 to 22
Fatigue Strength, MPa 170
66 to 140
Poisson's Ratio 0.32
0.33
Shear Modulus, GPa 41
26
Shear Strength, MPa 180
120 to 180
Tensile Strength: Ultimate (UTS), MPa 270
190 to 320
Tensile Strength: Yield (Proof), MPa 230
75 to 280

Thermal Properties

Latent Heat of Fusion, J/g 420
400
Maximum Temperature: Mechanical, °C 320
190
Melting Completion (Liquidus), °C 1660
650
Melting Onset (Solidus), °C 1610
610
Specific Heat Capacity, J/kg-K 540
900
Thermal Conductivity, W/m-K 21
140
Thermal Expansion, µm/m-K 8.7
24

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.6
35
Electrical Conductivity: Equal Weight (Specific), % IACS 7.1
120

Otherwise Unclassified Properties

Base Metal Price, % relative 37
9.5
Density, g/cm3 4.5
2.7
Embodied Carbon, kg CO2/kg material 33
8.6
Embodied Energy, MJ/kg 530
150
Embodied Water, L/kg 320
1190

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 70
1.7 to 69
Resilience: Unit (Modulus of Resilience), kJ/m3 240
41 to 590
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 35
50
Strength to Weight: Axial, points 17
19 to 33
Strength to Weight: Bending, points 21
27 to 38
Thermal Diffusivity, mm2/s 8.8
57
Thermal Shock Resistance, points 21
8.3 to 14

Alloy Composition

Aluminum (Al), % 0
95.8 to 97.7
Carbon (C), % 0 to 0.080
0
Chromium (Cr), % 0
0.15 to 0.35
Copper (Cu), % 0
0 to 0.1
Hydrogen (H), % 0 to 0.015
0
Iron (Fe), % 0 to 0.2
0 to 0.4
Magnesium (Mg), % 0
2.2 to 2.8
Manganese (Mn), % 0
0 to 0.1
Nitrogen (N), % 0 to 0.030
0
Oxygen (O), % 0 to 0.18
0
Ruthenium (Ru), % 0.080 to 0.14
0
Silicon (Si), % 0
0 to 0.25
Titanium (Ti), % 99 to 99.92
0
Zinc (Zn), % 0
0 to 0.1
Residuals, % 0
0 to 0.15