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Grade 27 Titanium vs. 5026 Aluminum

Grade 27 titanium belongs to the titanium alloys classification, while 5026 aluminum belongs to the aluminum 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 grade 27 titanium and the bottom bar is 5026 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
70
Elongation at Break, % 27
5.1 to 11
Fatigue Strength, MPa 170
94 to 140
Poisson's Ratio 0.32
0.33
Shear Modulus, GPa 41
26
Shear Strength, MPa 180
150 to 180
Tensile Strength: Ultimate (UTS), MPa 270
260 to 320
Tensile Strength: Yield (Proof), MPa 230
120 to 250

Thermal Properties

Latent Heat of Fusion, J/g 420
400
Maximum Temperature: Mechanical, °C 320
210
Melting Completion (Liquidus), °C 1660
650
Melting Onset (Solidus), °C 1610
510
Specific Heat Capacity, J/kg-K 540
890
Thermal Conductivity, W/m-K 21
130
Thermal Expansion, µm/m-K 8.7
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.6
31
Electrical Conductivity: Equal Weight (Specific), % IACS 7.1
99

Otherwise Unclassified Properties

Base Metal Price, % relative 37
9.5
Density, g/cm3 4.5
2.8
Embodied Carbon, kg CO2/kg material 33
8.9
Embodied Energy, MJ/kg 530
150
Embodied Water, L/kg 320
1150

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 70
15 to 29
Resilience: Unit (Modulus of Resilience), kJ/m3 240
100 to 440
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 35
49
Strength to Weight: Axial, points 17
26 to 32
Strength to Weight: Bending, points 21
33 to 37
Thermal Diffusivity, mm2/s 8.8
52
Thermal Shock Resistance, points 21
11 to 14

Alloy Composition

Aluminum (Al), % 0
88.2 to 94.7
Carbon (C), % 0 to 0.080
0
Chromium (Cr), % 0
0 to 0.3
Copper (Cu), % 0
0.1 to 0.8
Hydrogen (H), % 0 to 0.015
0
Iron (Fe), % 0 to 0.2
0.2 to 1.0
Magnesium (Mg), % 0
3.9 to 4.9
Manganese (Mn), % 0
0.6 to 1.8
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
0.55 to 1.4
Titanium (Ti), % 99 to 99.92
0 to 0.2
Zinc (Zn), % 0
0 to 1.0
Zirconium (Zr), % 0
0 to 0.3
Residuals, % 0
0 to 0.15