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Titanium 6-5-0.5 vs. Grade 30 Titanium

Both titanium 6-5-0.5 and grade 30 titanium are titanium alloys. Both are furnished in the annealed condition. They have 88% 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 6-5-0.5 and the bottom bar is grade 30 titanium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
110
Elongation at Break, % 6.7
23
Fatigue Strength, MPa 530
250
Poisson's Ratio 0.32
0.32
Reduction in Area, % 23
34
Shear Modulus, GPa 40
41
Shear Strength, MPa 630
240
Tensile Strength: Ultimate (UTS), MPa 1080
390
Tensile Strength: Yield (Proof), MPa 990
350

Thermal Properties

Latent Heat of Fusion, J/g 410
420
Maximum Temperature: Mechanical, °C 300
320
Melting Completion (Liquidus), °C 1610
1660
Melting Onset (Solidus), °C 1560
1610
Specific Heat Capacity, J/kg-K 550
540
Thermal Conductivity, W/m-K 4.2
21
Thermal Expansion, µm/m-K 9.4
8.7

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.0
3.4
Electrical Conductivity: Equal Weight (Specific), % IACS 2.1
6.9

Otherwise Unclassified Properties

Density, g/cm3 4.5
4.5
Embodied Carbon, kg CO2/kg material 33
36
Embodied Energy, MJ/kg 540
600
Embodied Water, L/kg 180
230

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 71
86
Resilience: Unit (Modulus of Resilience), kJ/m3 4630
590
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 35
35
Strength to Weight: Axial, points 67
24
Strength to Weight: Bending, points 52
26
Thermal Diffusivity, mm2/s 1.7
8.6
Thermal Shock Resistance, points 79
30

Alloy Composition


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Aluminum (Al), % 5.7 to 6.3
0
Carbon (C), % 0 to 0.080
0 to 0.080
Cobalt (Co), % 0
0.2 to 0.8
Hydrogen (H), % 0 to 0.015
0 to 0.015
Iron (Fe), % 0 to 0.2
0 to 0.3
Molybdenum (Mo), % 0.25 to 0.75
0
Nitrogen (N), % 0 to 0.050
0 to 0.030
Oxygen (O), % 0 to 0.19
0 to 0.25
Palladium (Pd), % 0
0.040 to 0.080
Silicon (Si), % 0 to 0.4
0
Titanium (Ti), % 85.6 to 90.1
98 to 99.76
Zirconium (Zr), % 4.0 to 6.0
0
Residuals, % 0 to 0.4
0 to 0.4