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R58150 Titanium vs. AWS ERTi-7

Both R58150 titanium and AWS ERTi-7 are titanium alloys. They have 85% of their average alloy composition in common. There are 24 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is R58150 titanium and the bottom bar is AWS ERTi-7.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 140
110
Elongation at Break, % 13
20
Fatigue Strength, MPa 330
190
Poisson's Ratio 0.32
0.32
Shear Modulus, GPa 52
40
Tensile Strength: Ultimate (UTS), MPa 770
340
Tensile Strength: Yield (Proof), MPa 550
280

Thermal Properties

Latent Heat of Fusion, J/g 410
420
Maximum Temperature: Mechanical, °C 320
320
Melting Completion (Liquidus), °C 1760
1670
Melting Onset (Solidus), °C 1700
1620
Specific Heat Capacity, J/kg-K 500
540
Thermal Expansion, µm/m-K 8.4
8.7

Otherwise Unclassified Properties

Density, g/cm3 5.4
4.5
Embodied Carbon, kg CO2/kg material 31
47
Embodied Energy, MJ/kg 480
800
Embodied Water, L/kg 150
470

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 94
64
Resilience: Unit (Modulus of Resilience), kJ/m3 1110
360
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 32
35
Strength to Weight: Axial, points 40
21
Strength to Weight: Bending, points 35
24
Thermal Shock Resistance, points 48
26

Alloy Composition

Carbon (C), % 0 to 0.1
0 to 0.030
Hydrogen (H), % 0 to 0.015
0 to 0.0080
Iron (Fe), % 0 to 0.1
0 to 0.12
Molybdenum (Mo), % 14 to 16
0
Nitrogen (N), % 0 to 0.050
0 to 0.015
Oxygen (O), % 0 to 0.2
0.080 to 0.16
Palladium (Pd), % 0
0.12 to 0.25
Titanium (Ti), % 83.5 to 86
99.417 to 99.8