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Grade 11 Titanium vs. AWS ERTi-5

Both grade 11 titanium and AWS ERTi-5 are titanium alloys. They have 90% of their average alloy composition in common. There are 28 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 11 titanium and the bottom bar is AWS ERTi-5.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
110
Elongation at Break, % 29
10
Fatigue Strength, MPa 170
470
Poisson's Ratio 0.32
0.32
Shear Modulus, GPa 38
40
Tensile Strength: Ultimate (UTS), MPa 310
900
Tensile Strength: Yield (Proof), MPa 230
830

Thermal Properties

Latent Heat of Fusion, J/g 420
410
Maximum Temperature: Mechanical, °C 320
340
Melting Completion (Liquidus), °C 1660
1610
Melting Onset (Solidus), °C 1610
1560
Specific Heat Capacity, J/kg-K 540
560
Thermal Conductivity, W/m-K 22
7.1
Thermal Expansion, µm/m-K 9.2
9.6

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.7
1.0
Electrical Conductivity: Equal Weight (Specific), % IACS 7.3
2.0

Otherwise Unclassified Properties

Density, g/cm3 4.5
4.4
Embodied Carbon, kg CO2/kg material 47
38
Embodied Energy, MJ/kg 800
610
Embodied Water, L/kg 470
200

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 81
87
Resilience: Unit (Modulus of Resilience), kJ/m3 240
3250
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 35
35
Strength to Weight: Axial, points 19
56
Strength to Weight: Bending, points 22
46
Thermal Diffusivity, mm2/s 8.9
2.9
Thermal Shock Resistance, points 22
63

Alloy Composition


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Aluminum (Al), % 0
5.5 to 6.8
Carbon (C), % 0 to 0.080
0 to 0.050
Hydrogen (H), % 0 to 0.015
0 to 0.015
Iron (Fe), % 0 to 0.2
0 to 0.22
Nitrogen (N), % 0 to 0.030
0 to 0.030
Oxygen (O), % 0 to 0.18
0.12 to 0.2
Palladium (Pd), % 0.12 to 0.25
0
Titanium (Ti), % 98.8 to 99.88
88.2 to 90.9
Vanadium (V), % 0
3.5 to 4.5
Residuals, % 0 to 0.4
0