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Grade 20 Titanium vs. Grade 14 Titanium

Both grade 20 titanium and grade 14 titanium are titanium alloys. They have 74% of their average alloy composition in common. There are 26 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is grade 20 titanium and the bottom bar is grade 14 titanium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
110
Elongation at Break, % 5.7 to 17
23
Fatigue Strength, MPa 550 to 630
220
Poisson's Ratio 0.32
0.32
Reduction in Area, % 23
34
Shear Modulus, GPa 47
41
Shear Strength, MPa 560 to 740
290
Tensile Strength: Ultimate (UTS), MPa 900 to 1270
460
Tensile Strength: Yield (Proof), MPa 850 to 1190
310

Thermal Properties

Latent Heat of Fusion, J/g 400
420
Maximum Temperature: Mechanical, °C 370
320
Melting Completion (Liquidus), °C 1660
1660
Melting Onset (Solidus), °C 1600
1610
Specific Heat Capacity, J/kg-K 520
540
Thermal Expansion, µm/m-K 9.6
8.7

Otherwise Unclassified Properties

Density, g/cm3 5.0
4.5
Embodied Carbon, kg CO2/kg material 52
32
Embodied Energy, MJ/kg 860
520
Embodied Water, L/kg 350
210

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 71 to 150
93
Resilience: Unit (Modulus of Resilience), kJ/m3 2940 to 5760
450
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 33
35
Strength to Weight: Axial, points 50 to 70
28
Strength to Weight: Bending, points 41 to 52
29
Thermal Shock Resistance, points 55 to 77
35

Alloy Composition


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Aluminum (Al), % 3.0 to 4.0
0
Carbon (C), % 0 to 0.050
0 to 0.080
Chromium (Cr), % 5.5 to 6.5
0
Hydrogen (H), % 0 to 0.020
0 to 0.015
Iron (Fe), % 0 to 0.3
0 to 0.3
Molybdenum (Mo), % 3.5 to 4.5
0
Nickel (Ni), % 0
0.4 to 0.6
Nitrogen (N), % 0 to 0.030
0 to 0.030
Oxygen (O), % 0 to 0.12
0 to 0.15
Palladium (Pd), % 0.040 to 0.080
0
Ruthenium (Ru), % 0
0.040 to 0.060
Titanium (Ti), % 71 to 77
98.4 to 99.56
Vanadium (V), % 7.5 to 8.5
0
Zirconium (Zr), % 3.5 to 4.5
0
Residuals, % 0 to 0.4
0 to 0.4