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Titanium 6-2-4-2 vs. R56406 Titanium

Both titanium 6-2-4-2 and R56406 titanium are titanium alloys. Both are furnished in the annealed condition. They have a moderately high 92% of their average alloy composition in common. There are 30 material properties with values for both materials. Properties with values for just one material (1, 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 R56406 titanium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
110
Elongation at Break, % 8.6
9.1
Fatigue Strength, MPa 490
480
Poisson's Ratio 0.32
0.32
Reduction in Area, % 21
16
Shear Modulus, GPa 40
40
Tensile Strength: Ultimate (UTS), MPa 950
980
Tensile Strength: Yield (Proof), MPa 880
850

Thermal Properties

Latent Heat of Fusion, J/g 400
410
Maximum Temperature: Mechanical, °C 300
340
Melting Completion (Liquidus), °C 1590
1610
Melting Onset (Solidus), °C 1540
1560
Specific Heat Capacity, J/kg-K 540
560
Thermal Conductivity, W/m-K 6.9
7.1
Thermal Expansion, µm/m-K 9.5
9.6

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 0.9
1.0
Electrical Conductivity: Equal Weight (Specific), % IACS 1.8
2.0

Otherwise Unclassified Properties

Base Metal Price, % relative 42
36
Density, g/cm3 4.6
4.5
Embodied Carbon, kg CO2/kg material 32
38
Embodied Energy, MJ/kg 520
610
Embodied Water, L/kg 210
200

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 79
85
Resilience: Unit (Modulus of Resilience), kJ/m3 3640
3420
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 34
35
Strength to Weight: Axial, points 57
61
Strength to Weight: Bending, points 46
49
Thermal Diffusivity, mm2/s 2.8
2.8
Thermal Shock Resistance, points 67
69

Alloy Composition


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Aluminum (Al), % 5.5 to 6.5
5.5 to 6.8
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 0.3
Molybdenum (Mo), % 1.8 to 2.2
0
Nitrogen (N), % 0 to 0.050
0 to 0.050
Oxygen (O), % 0 to 0.15
0 to 0.2
Silicon (Si), % 0.060 to 0.12
0
Tin (Sn), % 1.8 to 2.2
0
Titanium (Ti), % 83.7 to 87.2
88.1 to 91
Vanadium (V), % 0
3.5 to 4.5
Zirconium (Zr), % 3.6 to 4.4
0
Residuals, % 0 to 0.4
0