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Grade 23 Titanium vs. R05240 Alloy

Grade 23 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 (14, 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 23 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, % 6.7 to 11
25
Poisson's Ratio 0.32
0.36
Shear Modulus, GPa 40
57
Tensile Strength: Ultimate (UTS), MPa 930 to 940
270
Tensile Strength: Yield (Proof), MPa 850 to 870
170

Thermal Properties

Latent Heat of Fusion, J/g 410
210
Specific Heat Capacity, J/kg-K 560
190
Thermal Expansion, µm/m-K 9.4
6.8

Otherwise Unclassified Properties

Density, g/cm3 4.4
14
Embodied Water, L/kg 200
460

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 61 to 100
59
Resilience: Unit (Modulus of Resilience), kJ/m3 3430 to 3560
90
Stiffness to Weight: Axial, points 13
6.3
Stiffness to Weight: Bending, points 35
13
Strength to Weight: Axial, points 58 to 59
5.4
Strength to Weight: Bending, points 48
6.8
Thermal Shock Resistance, points 67 to 68
18

Alloy Composition

Aluminum (Al), % 5.5 to 6.5
0
Carbon (C), % 0 to 0.080
0 to 0.010
Hydrogen (H), % 0 to 0.013
0 to 0.0015
Iron (Fe), % 0 to 0.25
0 to 0.010
Molybdenum (Mo), % 0
0 to 0.020
Nickel (Ni), % 0
0 to 0.010
Niobium (Nb), % 0
35 to 42
Nitrogen (N), % 0 to 0.030
0 to 0.010
Oxygen (O), % 0 to 0.13
0 to 0.020
Silicon (Si), % 0
0 to 0.0050
Tantalum (Ta), % 0
57.9 to 65
Titanium (Ti), % 88.1 to 91
0 to 0.010
Tungsten (W), % 0
0 to 0.050
Vanadium (V), % 3.5 to 4.5
0
Residuals, % 0 to 0.4
0