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Grade Ti-Pd18 Titanium vs. R05240 Alloy

Grade Ti-Pd18 titanium belongs to the titanium alloys classification, while R05240 alloy belongs to the otherwise unclassified metals. There are 18 material properties with values for both materials. Properties with values for just one material (12, in this case) are not shown. Please note that the two materials have significantly dissimilar densities. This means that additional care is required when interpreting the data, because some material properties are based on units of mass, while others are based on units of area or volume.

For each property being compared, the top bar is grade Ti-Pd18 titanium and the bottom bar is R05240 alloy.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
150
Elongation at Break, % 17
25
Poisson's Ratio 0.32
0.36
Shear Modulus, GPa 40
57
Tensile Strength: Ultimate (UTS), MPa 710
270
Tensile Strength: Yield (Proof), MPa 540
170

Thermal Properties

Latent Heat of Fusion, J/g 410
210
Specific Heat Capacity, J/kg-K 550
190
Thermal Expansion, µm/m-K 9.1
6.8

Otherwise Unclassified Properties

Density, g/cm3 4.5
14
Embodied Water, L/kg 270
460

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
59
Resilience: Unit (Modulus of Resilience), kJ/m3 1380
90
Stiffness to Weight: Axial, points 13
6.3
Stiffness to Weight: Bending, points 35
13
Strength to Weight: Axial, points 44
5.4
Strength to Weight: Bending, points 39
6.8
Thermal Shock Resistance, points 52
18

Alloy Composition

Aluminum (Al), % 2.5 to 3.5
0
Carbon (C), % 0 to 0.1
0 to 0.010
Hydrogen (H), % 0 to 0.015
0 to 0.0015
Iron (Fe), % 0 to 0.25
0 to 0.010
Molybdenum (Mo), % 0
0 to 0.020
Nickel (Ni), % 0 to 0.050
0 to 0.010
Niobium (Nb), % 0
35 to 42
Nitrogen (N), % 0
0 to 0.010
Oxygen (O), % 0 to 0.15
0 to 0.020
Palladium (Pd), % 0.040 to 0.080
0
Silicon (Si), % 0
0 to 0.0050
Tantalum (Ta), % 0
57.9 to 65
Titanium (Ti), % 92.5 to 95.5
0 to 0.010
Tungsten (W), % 0
0 to 0.050
Vanadium (V), % 2.0 to 3.0
0
Residuals, % 0 to 0.4
0