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Grade 27 Titanium vs. R60901 Alloy

Grade 27 titanium belongs to the titanium alloys classification, while R60901 alloy belongs to the otherwise unclassified metals. There are 20 material properties with values for both materials. Properties with values for just one material (11, in this case) are not shown.

For each property being compared, the top bar is grade 27 titanium and the bottom bar is R60901 alloy.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
98
Elongation at Break, % 27
17 to 22
Poisson's Ratio 0.32
0.34
Shear Modulus, GPa 41
37
Tensile Strength: Ultimate (UTS), MPa 270
500 to 580
Tensile Strength: Yield (Proof), MPa 230
350 to 390

Thermal Properties

Latent Heat of Fusion, J/g 420
250
Specific Heat Capacity, J/kg-K 540
270
Thermal Conductivity, W/m-K 21
17
Thermal Expansion, µm/m-K 8.7
6.3

Otherwise Unclassified Properties

Density, g/cm3 4.5
6.6
Embodied Water, L/kg 320
270

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 70
88 to 100
Resilience: Unit (Modulus of Resilience), kJ/m3 240
640 to 760
Stiffness to Weight: Axial, points 13
8.3
Stiffness to Weight: Bending, points 35
23
Strength to Weight: Axial, points 17
21 to 25
Strength to Weight: Bending, points 21
21 to 24
Thermal Diffusivity, mm2/s 8.8
9.7
Thermal Shock Resistance, points 21
58 to 67

Alloy Composition

Carbon (C), % 0 to 0.080
0
Hydrogen (H), % 0 to 0.015
0
Iron (Fe), % 0 to 0.2
0
Niobium (Nb), % 0
2.4 to 2.8
Nitrogen (N), % 0 to 0.030
0
Oxygen (O), % 0 to 0.18
0
Ruthenium (Ru), % 0.080 to 0.14
0
Titanium (Ti), % 99 to 99.92
0
Zirconium (Zr), % 0
96.8 to 97.5
Residuals, % 0
0 to 0.29