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Grade 20 Titanium vs. EN AC-43000 Aluminum

Grade 20 titanium belongs to the titanium alloys classification, while EN AC-43000 aluminum belongs to the aluminum alloys. There are 24 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.

For each property being compared, the top bar is grade 20 titanium and the bottom bar is EN AC-43000 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
71
Elongation at Break, % 5.7 to 17
1.1 to 2.5
Fatigue Strength, MPa 550 to 630
68 to 76
Poisson's Ratio 0.32
0.33
Shear Modulus, GPa 47
27
Tensile Strength: Ultimate (UTS), MPa 900 to 1270
180 to 270
Tensile Strength: Yield (Proof), MPa 850 to 1190
97 to 230

Thermal Properties

Latent Heat of Fusion, J/g 400
540
Maximum Temperature: Mechanical, °C 370
170
Melting Completion (Liquidus), °C 1660
600
Melting Onset (Solidus), °C 1600
590
Specific Heat Capacity, J/kg-K 520
900
Thermal Expansion, µm/m-K 9.6
22

Otherwise Unclassified Properties

Density, g/cm3 5.0
2.6
Embodied Carbon, kg CO2/kg material 52
7.8
Embodied Energy, MJ/kg 860
150
Embodied Water, L/kg 350
1070

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 71 to 150
2.9 to 5.7
Resilience: Unit (Modulus of Resilience), kJ/m3 2940 to 5760
66 to 360
Stiffness to Weight: Axial, points 14
15
Stiffness to Weight: Bending, points 33
54
Strength to Weight: Axial, points 50 to 70
20 to 29
Strength to Weight: Bending, points 41 to 52
28 to 36
Thermal Shock Resistance, points 55 to 77
8.6 to 12

Alloy Composition

Aluminum (Al), % 3.0 to 4.0
87 to 90.8
Carbon (C), % 0 to 0.050
0
Chromium (Cr), % 5.5 to 6.5
0
Copper (Cu), % 0
0 to 0.050
Hydrogen (H), % 0 to 0.020
0
Iron (Fe), % 0 to 0.3
0 to 0.55
Lead (Pb), % 0
0 to 0.050
Magnesium (Mg), % 0
0.2 to 0.45
Manganese (Mn), % 0
0 to 0.45
Molybdenum (Mo), % 3.5 to 4.5
0
Nickel (Ni), % 0
0 to 0.050
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
9.0 to 11
Tin (Sn), % 0
0 to 0.050
Titanium (Ti), % 71 to 77
0 to 0.15
Vanadium (V), % 7.5 to 8.5
0
Zinc (Zn), % 0
0 to 0.1
Zirconium (Zr), % 3.5 to 4.5
0
Residuals, % 0
0 to 0.15

Comparable Variants