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Grade 19 Titanium vs. Grade Ti-Pd18 Titanium

Both grade 19 titanium and grade Ti-Pd18 titanium are titanium alloys. They have 80% of their average alloy composition in common. There are 26 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 19 titanium and the bottom bar is grade Ti-Pd18 titanium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
110
Elongation at Break, % 5.6 to 17
17
Fatigue Strength, MPa 550 to 620
350
Poisson's Ratio 0.32
0.32
Shear Modulus, GPa 47
40
Tensile Strength: Ultimate (UTS), MPa 890 to 1300
710
Tensile Strength: Yield (Proof), MPa 870 to 1170
540

Thermal Properties

Latent Heat of Fusion, J/g 400
410
Maximum Temperature: Mechanical, °C 370
330
Melting Completion (Liquidus), °C 1660
1640
Melting Onset (Solidus), °C 1600
1590
Specific Heat Capacity, J/kg-K 520
550
Thermal Conductivity, W/m-K 6.2
8.2
Thermal Expansion, µm/m-K 9.1
9.1

Otherwise Unclassified Properties

Density, g/cm3 5.0
4.5
Embodied Carbon, kg CO2/kg material 47
41
Embodied Energy, MJ/kg 760
670
Embodied Water, L/kg 230
270

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 70 to 150
110
Resilience: Unit (Modulus of Resilience), kJ/m3 3040 to 5530
1380
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 33
35
Strength to Weight: Axial, points 49 to 72
44
Strength to Weight: Bending, points 41 to 53
39
Thermal Diffusivity, mm2/s 2.4
3.3
Thermal Shock Resistance, points 57 to 83
52

Alloy Composition

Aluminum (Al), % 3.0 to 4.0
2.5 to 3.5
Carbon (C), % 0 to 0.050
0 to 0.1
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 0.25
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 to 0.15
Palladium (Pd), % 0
0.040 to 0.080
Titanium (Ti), % 71.1 to 77
92.5 to 95.5
Vanadium (V), % 7.5 to 8.5
2.0 to 3.0
Zirconium (Zr), % 3.5 to 4.5
0
Residuals, % 0
0 to 0.4