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Grade 20 Titanium vs. EN AC-46200 Aluminum

Grade 20 titanium belongs to the titanium alloys classification, while EN AC-46200 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-46200 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
73
Elongation at Break, % 5.7 to 17
1.1
Fatigue Strength, MPa 550 to 630
87
Poisson's Ratio 0.32
0.33
Shear Modulus, GPa 47
27
Tensile Strength: Ultimate (UTS), MPa 900 to 1270
210
Tensile Strength: Yield (Proof), MPa 850 to 1190
130

Thermal Properties

Latent Heat of Fusion, J/g 400
510
Maximum Temperature: Mechanical, °C 370
170
Melting Completion (Liquidus), °C 1660
620
Melting Onset (Solidus), °C 1600
540
Specific Heat Capacity, J/kg-K 520
880
Thermal Expansion, µm/m-K 9.6
22

Otherwise Unclassified Properties

Density, g/cm3 5.0
2.8
Embodied Carbon, kg CO2/kg material 52
7.7
Embodied Energy, MJ/kg 860
140
Embodied Water, L/kg 350
1060

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 71 to 150
2.0
Resilience: Unit (Modulus of Resilience), kJ/m3 2940 to 5760
110
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 33
50
Strength to Weight: Axial, points 50 to 70
21
Strength to Weight: Bending, points 41 to 52
28
Thermal Shock Resistance, points 55 to 77
9.5

Alloy Composition

Aluminum (Al), % 3.0 to 4.0
82.6 to 90.3
Carbon (C), % 0 to 0.050
0
Chromium (Cr), % 5.5 to 6.5
0
Copper (Cu), % 0
2.0 to 3.5
Hydrogen (H), % 0 to 0.020
0
Iron (Fe), % 0 to 0.3
0 to 0.8
Lead (Pb), % 0
0 to 0.25
Magnesium (Mg), % 0
0.050 to 0.55
Manganese (Mn), % 0
0.15 to 0.65
Molybdenum (Mo), % 3.5 to 4.5
0
Nickel (Ni), % 0
0 to 0.35
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
7.5 to 9.5
Tin (Sn), % 0
0 to 0.15
Titanium (Ti), % 71 to 77
0 to 0.25
Vanadium (V), % 7.5 to 8.5
0
Zinc (Zn), % 0
0 to 1.2
Zirconium (Zr), % 3.5 to 4.5
0
Residuals, % 0
0 to 0.25