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Grade 20 Titanium vs. Grade 19 Titanium

Both grade 20 titanium and grade 19 titanium are titanium alloys. Their average alloy composition is basically identical. There are 26 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is grade 20 titanium and the bottom bar is grade 19 titanium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
120
Elongation at Break, % 5.7 to 17
5.6 to 17
Fatigue Strength, MPa 550 to 630
550 to 620
Poisson's Ratio 0.32
0.32
Reduction in Area, % 23
22
Shear Modulus, GPa 47
47
Shear Strength, MPa 560 to 740
550 to 750
Tensile Strength: Ultimate (UTS), MPa 900 to 1270
890 to 1300
Tensile Strength: Yield (Proof), MPa 850 to 1190
870 to 1170

Thermal Properties

Latent Heat of Fusion, J/g 400
400
Maximum Temperature: Mechanical, °C 370
370
Melting Completion (Liquidus), °C 1660
1660
Melting Onset (Solidus), °C 1600
1600
Specific Heat Capacity, J/kg-K 520
520
Thermal Expansion, µm/m-K 9.6
9.1

Otherwise Unclassified Properties

Density, g/cm3 5.0
5.0
Embodied Carbon, kg CO2/kg material 52
47
Embodied Energy, MJ/kg 860
760
Embodied Water, L/kg 350
230

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 71 to 150
70 to 150
Resilience: Unit (Modulus of Resilience), kJ/m3 2940 to 5760
3040 to 5530
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 33
33
Strength to Weight: Axial, points 50 to 70
49 to 72
Strength to Weight: Bending, points 41 to 52
41 to 53
Thermal Shock Resistance, points 55 to 77
57 to 83

Alloy Composition


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

Comparable Variants