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Titanium 6-2-4-2 vs. Grade 24 Titanium

Both titanium 6-2-4-2 and grade 24 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 grade 24 titanium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
110
Elongation at Break, % 8.6
11
Fatigue Strength, MPa 490
550
Poisson's Ratio 0.32
0.32
Reduction in Area, % 21
28
Shear Modulus, GPa 40
40
Shear Strength, MPa 560
610
Tensile Strength: Ultimate (UTS), MPa 950
1010
Tensile Strength: Yield (Proof), MPa 880
940

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

Density, g/cm3 4.6
4.5
Embodied Carbon, kg CO2/kg material 32
43
Embodied Energy, MJ/kg 520
710
Embodied Water, L/kg 210
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 79
110
Resilience: Unit (Modulus of Resilience), kJ/m3 3640
4160
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 34
35
Strength to Weight: Axial, points 57
63
Strength to Weight: Bending, points 46
50
Thermal Diffusivity, mm2/s 2.8
2.9
Thermal Shock Resistance, points 67
72

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
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
87.5 to 91
Vanadium (V), % 0
3.5 to 4.5
Zirconium (Zr), % 3.6 to 4.4
0
Residuals, % 0 to 0.4
0 to 0.4