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R58150 Titanium vs. Grade 27 Titanium

Both R58150 titanium and grade 27 titanium are titanium alloys. Both are furnished in the annealed condition. They have 85% of their average alloy composition in common. There are 27 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is R58150 titanium and the bottom bar is grade 27 titanium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 140
110
Elongation at Break, % 13
27
Fatigue Strength, MPa 330
170
Poisson's Ratio 0.32
0.32
Reduction in Area, % 68
34
Shear Modulus, GPa 52
41
Shear Strength, MPa 470
180
Tensile Strength: Ultimate (UTS), MPa 770
270
Tensile Strength: Yield (Proof), MPa 550
230

Thermal Properties

Latent Heat of Fusion, J/g 410
420
Maximum Temperature: Mechanical, °C 320
320
Melting Completion (Liquidus), °C 1760
1660
Melting Onset (Solidus), °C 1700
1610
Specific Heat Capacity, J/kg-K 500
540
Thermal Expansion, µm/m-K 8.4
8.7

Otherwise Unclassified Properties

Base Metal Price, % relative 48
37
Density, g/cm3 5.4
4.5
Embodied Carbon, kg CO2/kg material 31
33
Embodied Energy, MJ/kg 480
530
Embodied Water, L/kg 150
320

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 94
70
Resilience: Unit (Modulus of Resilience), kJ/m3 1110
240
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 32
35
Strength to Weight: Axial, points 40
17
Strength to Weight: Bending, points 35
21
Thermal Shock Resistance, points 48
21

Alloy Composition

Carbon (C), % 0 to 0.1
0 to 0.080
Hydrogen (H), % 0 to 0.015
0 to 0.015
Iron (Fe), % 0 to 0.1
0 to 0.2
Molybdenum (Mo), % 14 to 16
0
Nitrogen (N), % 0 to 0.050
0 to 0.030
Oxygen (O), % 0 to 0.2
0 to 0.18
Ruthenium (Ru), % 0
0.080 to 0.14
Titanium (Ti), % 83.5 to 86
99 to 99.92
Residuals, % 0
0 to 0.4