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Grade 20 Titanium vs. 5026 Aluminum

Grade 20 titanium belongs to the titanium alloys classification, while 5026 aluminum belongs to the aluminum alloys. There are 25 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is grade 20 titanium and the bottom bar is 5026 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
70
Elongation at Break, % 5.7 to 17
5.1 to 11
Fatigue Strength, MPa 550 to 630
94 to 140
Poisson's Ratio 0.32
0.33
Shear Modulus, GPa 47
26
Shear Strength, MPa 560 to 740
150 to 180
Tensile Strength: Ultimate (UTS), MPa 900 to 1270
260 to 320
Tensile Strength: Yield (Proof), MPa 850 to 1190
120 to 250

Thermal Properties

Latent Heat of Fusion, J/g 400
400
Maximum Temperature: Mechanical, °C 370
210
Melting Completion (Liquidus), °C 1660
650
Melting Onset (Solidus), °C 1600
510
Specific Heat Capacity, J/kg-K 520
890
Thermal Expansion, µm/m-K 9.6
23

Otherwise Unclassified Properties

Density, g/cm3 5.0
2.8
Embodied Carbon, kg CO2/kg material 52
8.9
Embodied Energy, MJ/kg 860
150
Embodied Water, L/kg 350
1150

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 71 to 150
15 to 29
Resilience: Unit (Modulus of Resilience), kJ/m3 2940 to 5760
100 to 440
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 33
49
Strength to Weight: Axial, points 50 to 70
26 to 32
Strength to Weight: Bending, points 41 to 52
33 to 37
Thermal Shock Resistance, points 55 to 77
11 to 14

Alloy Composition

Aluminum (Al), % 3.0 to 4.0
88.2 to 94.7
Carbon (C), % 0 to 0.050
0
Chromium (Cr), % 5.5 to 6.5
0 to 0.3
Copper (Cu), % 0
0.1 to 0.8
Hydrogen (H), % 0 to 0.020
0
Iron (Fe), % 0 to 0.3
0.2 to 1.0
Magnesium (Mg), % 0
3.9 to 4.9
Manganese (Mn), % 0
0.6 to 1.8
Molybdenum (Mo), % 3.5 to 4.5
0
Nitrogen (N), % 0 to 0.030
0
Oxygen (O), % 0 to 0.12
0
Palladium (Pd), % 0.040 to 0.080
0
Silicon (Si), % 0
0.55 to 1.4
Titanium (Ti), % 71 to 77
0 to 0.2
Vanadium (V), % 7.5 to 8.5
0
Zinc (Zn), % 0
0 to 1.0
Zirconium (Zr), % 3.5 to 4.5
0 to 0.3
Residuals, % 0
0 to 0.15

Comparable Variants