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Titanium 6-2-4-2 vs. Grade Ti-Pd17 Titanium

Both titanium 6-2-4-2 and grade Ti-Pd17 titanium are titanium alloys. They have 86% of their average alloy composition in common. There are 28 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is titanium 6-2-4-2 and the bottom bar is grade Ti-Pd17 titanium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
110
Elongation at Break, % 8.6
22
Fatigue Strength, MPa 490
140
Poisson's Ratio 0.32
0.32
Shear Modulus, GPa 40
40
Tensile Strength: Ultimate (UTS), MPa 950
270
Tensile Strength: Yield (Proof), MPa 880
190

Thermal Properties

Latent Heat of Fusion, J/g 400
420
Maximum Temperature: Mechanical, °C 300
320
Melting Completion (Liquidus), °C 1590
1660
Melting Onset (Solidus), °C 1540
1610
Specific Heat Capacity, J/kg-K 540
540
Thermal Conductivity, W/m-K 6.9
21
Thermal Expansion, µm/m-K 9.5
8.7

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 0.9
3.6
Electrical Conductivity: Equal Weight (Specific), % IACS 1.8
7.1

Otherwise Unclassified Properties

Density, g/cm3 4.6
4.5
Embodied Carbon, kg CO2/kg material 32
36
Embodied Energy, MJ/kg 520
600
Embodied Water, L/kg 210
230

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 79
55
Resilience: Unit (Modulus of Resilience), kJ/m3 3640
180
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 34
35
Strength to Weight: Axial, points 57
17
Strength to Weight: Bending, points 46
21
Thermal Diffusivity, mm2/s 2.8
8.8
Thermal Shock Resistance, points 67
21

Alloy Composition


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Aluminum (Al), % 5.5 to 6.5
0
Carbon (C), % 0 to 0.050
0 to 0.1
Hydrogen (H), % 0 to 0.015
0 to 0.015
Iron (Fe), % 0 to 0.25
0 to 0.2
Molybdenum (Mo), % 1.8 to 2.2
0
Nickel (Ni), % 0
0 to 0.030
Nitrogen (N), % 0 to 0.050
0
Oxygen (O), % 0 to 0.15
0 to 0.25
Palladium (Pd), % 0
0.040 to 0.080
Silicon (Si), % 0.060 to 0.12
0
Tin (Sn), % 1.8 to 2.2
0
Titanium (Ti), % 83.7 to 87.2
98.9 to 99.96
Zirconium (Zr), % 3.6 to 4.4
0
Residuals, % 0 to 0.4
0 to 0.4