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Titanium 15-3-3-3 vs. AWS ERTi-5

Both titanium 15-3-3-3 and AWS ERTi-5 are titanium alloys. They have 83% of their average alloy composition in common. There are 28 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is titanium 15-3-3-3 and the bottom bar is AWS ERTi-5.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
110
Elongation at Break, % 5.7 to 8.0
10
Fatigue Strength, MPa 610 to 710
470
Poisson's Ratio 0.33
0.32
Shear Modulus, GPa 39
40
Tensile Strength: Ultimate (UTS), MPa 1120 to 1390
900
Tensile Strength: Yield (Proof), MPa 1100 to 1340
830

Thermal Properties

Latent Heat of Fusion, J/g 390
410
Maximum Temperature: Mechanical, °C 430
340
Melting Completion (Liquidus), °C 1620
1610
Melting Onset (Solidus), °C 1560
1560
Specific Heat Capacity, J/kg-K 520
560
Thermal Conductivity, W/m-K 8.1
7.1
Thermal Expansion, µm/m-K 9.8
9.6

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.2
1.0
Electrical Conductivity: Equal Weight (Specific), % IACS 2.3
2.0

Otherwise Unclassified Properties

Base Metal Price, % relative 40
36
Density, g/cm3 4.8
4.4
Embodied Carbon, kg CO2/kg material 59
38
Embodied Energy, MJ/kg 950
610
Embodied Water, L/kg 260
200

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 78 to 89
87
Stiffness to Weight: Axial, points 12
13
Stiffness to Weight: Bending, points 32
35
Strength to Weight: Axial, points 64 to 80
56
Strength to Weight: Bending, points 50 to 57
46
Thermal Diffusivity, mm2/s 3.2
2.9
Thermal Shock Resistance, points 79 to 98
63

Alloy Composition


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Aluminum (Al), % 2.5 to 3.5
5.5 to 6.8
Carbon (C), % 0 to 0.050
0 to 0.050
Chromium (Cr), % 2.5 to 3.5
0
Hydrogen (H), % 0 to 0.015
0 to 0.015
Iron (Fe), % 0 to 0.25
0 to 0.22
Nitrogen (N), % 0 to 0.050
0 to 0.030
Oxygen (O), % 0 to 0.13
0.12 to 0.2
Tin (Sn), % 2.5 to 3.5
0
Titanium (Ti), % 72.6 to 78.5
88.2 to 90.9
Vanadium (V), % 14 to 16
3.5 to 4.5
Residuals, % 0 to 0.4
0