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Grade 20 Titanium vs. 5252 Aluminum

Grade 20 titanium belongs to the titanium alloys classification, while 5252 aluminum belongs to the aluminum alloys. There are 25 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is grade 20 titanium and the bottom bar is 5252 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
68
Elongation at Break, % 5.7 to 17
4.5 to 11
Fatigue Strength, MPa 550 to 630
100 to 110
Poisson's Ratio 0.32
0.33
Shear Modulus, GPa 47
25
Shear Strength, MPa 560 to 740
140 to 160
Tensile Strength: Ultimate (UTS), MPa 900 to 1270
230 to 290
Tensile Strength: Yield (Proof), MPa 850 to 1190
170 to 240

Thermal Properties

Latent Heat of Fusion, J/g 400
400
Maximum Temperature: Mechanical, °C 370
180
Melting Completion (Liquidus), °C 1660
650
Melting Onset (Solidus), °C 1600
610
Specific Heat Capacity, J/kg-K 520
910
Thermal Expansion, µm/m-K 9.6
24

Otherwise Unclassified Properties

Density, g/cm3 5.0
2.7
Embodied Carbon, kg CO2/kg material 52
8.7
Embodied Energy, MJ/kg 860
160
Embodied Water, L/kg 350
1190

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 71 to 150
12 to 23
Resilience: Unit (Modulus of Resilience), kJ/m3 2940 to 5760
210 to 430
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 33
51
Strength to Weight: Axial, points 50 to 70
23 to 30
Strength to Weight: Bending, points 41 to 52
31 to 36
Thermal Shock Resistance, points 55 to 77
10 to 13

Alloy Composition

Aluminum (Al), % 3.0 to 4.0
96.6 to 97.8
Carbon (C), % 0 to 0.050
0
Chromium (Cr), % 5.5 to 6.5
0
Copper (Cu), % 0
0 to 0.1
Hydrogen (H), % 0 to 0.020
0
Iron (Fe), % 0 to 0.3
0 to 0.1
Magnesium (Mg), % 0
2.2 to 2.8
Manganese (Mn), % 0
0 to 0.1
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 to 0.080
Titanium (Ti), % 71 to 77
0
Vanadium (V), % 7.5 to 8.5
0 to 0.050
Zinc (Zn), % 0
0 to 0.050
Zirconium (Zr), % 3.5 to 4.5
0
Residuals, % 0
0 to 0.1

Comparable Variants