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Grade 15 Titanium vs. R58150 Titanium

Both grade 15 titanium and R58150 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 grade 15 titanium and the bottom bar is R58150 titanium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
140
Elongation at Break, % 20
13
Fatigue Strength, MPa 290
330
Poisson's Ratio 0.32
0.32
Reduction in Area, % 28
68
Shear Modulus, GPa 41
52
Shear Strength, MPa 340
470
Tensile Strength: Ultimate (UTS), MPa 540
770
Tensile Strength: Yield (Proof), MPa 430
550

Thermal Properties

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

Otherwise Unclassified Properties

Base Metal Price, % relative 37
48
Density, g/cm3 4.5
5.4
Embodied Carbon, kg CO2/kg material 32
31
Embodied Energy, MJ/kg 520
480
Embodied Water, L/kg 210
150

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 100
94
Resilience: Unit (Modulus of Resilience), kJ/m3 870
1110
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 35
32
Strength to Weight: Axial, points 33
40
Strength to Weight: Bending, points 33
35
Thermal Shock Resistance, points 41
48

Alloy Composition

Carbon (C), % 0 to 0.080
0 to 0.1
Hydrogen (H), % 0 to 0.015
0 to 0.015
Iron (Fe), % 0 to 0.3
0 to 0.1
Molybdenum (Mo), % 0
14 to 16
Nickel (Ni), % 0.4 to 0.6
0
Nitrogen (N), % 0 to 0.050
0 to 0.050
Oxygen (O), % 0 to 0.25
0 to 0.2
Ruthenium (Ru), % 0.040 to 0.060
0
Titanium (Ti), % 98.2 to 99.56
83.5 to 86
Residuals, % 0 to 0.4
0