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Titanium 15-3-3-3 vs. Grade 26 Titanium

Both titanium 15-3-3-3 and grade 26 titanium are titanium alloys. They have 76% of their average alloy composition in common. There are 29 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 grade 26 titanium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
110
Elongation at Break, % 5.7 to 8.0
23
Fatigue Strength, MPa 610 to 710
250
Poisson's Ratio 0.33
0.32
Shear Modulus, GPa 39
41
Shear Strength, MPa 660 to 810
250
Tensile Strength: Ultimate (UTS), MPa 1120 to 1390
390
Tensile Strength: Yield (Proof), MPa 1100 to 1340
350

Thermal Properties

Latent Heat of Fusion, J/g 390
420
Maximum Temperature: Mechanical, °C 430
320
Melting Completion (Liquidus), °C 1620
1660
Melting Onset (Solidus), °C 1560
1610
Specific Heat Capacity, J/kg-K 520
540
Thermal Conductivity, W/m-K 8.1
21
Thermal Expansion, µm/m-K 9.8
9.2

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.2
3.4
Electrical Conductivity: Equal Weight (Specific), % IACS 2.3
6.9

Otherwise Unclassified Properties

Base Metal Price, % relative 40
37
Density, g/cm3 4.8
4.5
Embodied Carbon, kg CO2/kg material 59
33
Embodied Energy, MJ/kg 950
530
Embodied Water, L/kg 260
320

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 78 to 89
85
Stiffness to Weight: Axial, points 12
13
Stiffness to Weight: Bending, points 32
35
Strength to Weight: Axial, points 64 to 80
24
Strength to Weight: Bending, points 50 to 57
26
Thermal Diffusivity, mm2/s 3.2
8.6
Thermal Shock Resistance, points 79 to 98
28

Alloy Composition


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Aluminum (Al), % 2.5 to 3.5
0
Carbon (C), % 0 to 0.050
0 to 0.080
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 0.3
Nitrogen (N), % 0 to 0.050
0 to 0.030
Oxygen (O), % 0 to 0.13
0 to 0.25
Ruthenium (Ru), % 0
0.080 to 0.14
Tin (Sn), % 2.5 to 3.5
0
Titanium (Ti), % 72.6 to 78.5
98.8 to 99.92
Vanadium (V), % 14 to 16
0
Residuals, % 0 to 0.4
0 to 0.4