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Titanium 6-2-4-2 vs. Grade 5 Titanium

Both titanium 6-2-4-2 and grade 5 titanium are titanium alloys. They have a moderately high 92% of their average alloy composition in common. There are 31 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 grade 5 titanium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
110
Elongation at Break, % 8.6
8.6 to 11
Fatigue Strength, MPa 490
530 to 630
Poisson's Ratio 0.32
0.32
Reduction in Area, % 21
21 to 25
Shear Modulus, GPa 40
40
Shear Strength, MPa 560
600 to 710
Tensile Strength: Ultimate (UTS), MPa 950
1000 to 1190
Tensile Strength: Yield (Proof), MPa 880
910 to 1110

Thermal Properties

Latent Heat of Fusion, J/g 400
410
Maximum Temperature: Mechanical, °C 300
330
Melting Completion (Liquidus), °C 1590
1610
Melting Onset (Solidus), °C 1540
1650
Specific Heat Capacity, J/kg-K 540
560
Thermal Conductivity, W/m-K 6.9
6.8
Thermal Expansion, µm/m-K 9.5
8.9

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
4.4
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
100 to 110
Resilience: Unit (Modulus of Resilience), kJ/m3 3640
3980 to 5880
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 34
35
Strength to Weight: Axial, points 57
62 to 75
Strength to Weight: Bending, points 46
50 to 56
Thermal Diffusivity, mm2/s 2.8
2.7
Thermal Shock Resistance, points 67
76 to 91

Alloy Composition

Aluminum (Al), % 5.5 to 6.5
5.5 to 6.8
Carbon (C), % 0 to 0.050
0 to 0.080
Hydrogen (H), % 0 to 0.015
0 to 0.015
Iron (Fe), % 0 to 0.25
0 to 0.4
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
87.4 to 91
Vanadium (V), % 0
3.5 to 4.5
Yttrium (Y), % 0
0 to 0.0050
Zirconium (Zr), % 3.6 to 4.4
0
Residuals, % 0 to 0.4
0 to 0.4