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Titanium 6-2-4-2 vs. AWS BCo-1

Titanium 6-2-4-2 belongs to the titanium alloys classification, while AWS BCo-1 belongs to the cobalt alloys. There are 18 material properties with values for both materials. Properties with values for just one material (14, 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 AWS BCo-1.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
200
Poisson's Ratio 0.32
0.3
Shear Modulus, GPa 40
78
Tensile Strength: Ultimate (UTS), MPa 950
700

Thermal Properties

Latent Heat of Fusion, J/g 400
420
Melting Completion (Liquidus), °C 1590
1150
Melting Onset (Solidus), °C 1540
1120
Specific Heat Capacity, J/kg-K 540
480
Thermal Expansion, µm/m-K 9.5
12

Otherwise Unclassified Properties

Density, g/cm3 4.6
8.1
Embodied Carbon, kg CO2/kg material 32
8.0
Embodied Energy, MJ/kg 520
110
Embodied Water, L/kg 210
430

Common Calculations

Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 34
24
Strength to Weight: Axial, points 57
24
Strength to Weight: Bending, points 46
22
Thermal Shock Resistance, points 67
21

Alloy Composition


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Aluminum (Al), % 5.5 to 6.5
0 to 0.050
Boron (B), % 0
0.7 to 0.9
Carbon (C), % 0 to 0.050
0.35 to 0.45
Chromium (Cr), % 0
18 to 20
Cobalt (Co), % 0
46 to 54
Hydrogen (H), % 0 to 0.015
0
Iron (Fe), % 0 to 0.25
0 to 1.0
Molybdenum (Mo), % 1.8 to 2.2
0
Nickel (Ni), % 0
16 to 18
Nitrogen (N), % 0 to 0.050
0
Oxygen (O), % 0 to 0.15
0
Phosphorus (P), % 0
0 to 0.020
Selenium (Se), % 0
0 to 0.0050
Silicon (Si), % 0.060 to 0.12
7.5 to 8.5
Sulfur (S), % 0
0 to 0.020
Tin (Sn), % 1.8 to 2.2
0
Titanium (Ti), % 83.7 to 87.2
0 to 0.050
Tungsten (W), % 0
3.5 to 4.5
Zirconium (Zr), % 3.6 to 4.4
0 to 0.050
Residuals, % 0 to 0.4
0 to 0.5