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Grade 1 Titanium vs. AWS BCo-1

Grade 1 titanium 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 (15, in this case) are not shown.

For each property being compared, the top bar is grade 1 titanium 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 39
78
Tensile Strength: Ultimate (UTS), MPa 310
700

Thermal Properties

Latent Heat of Fusion, J/g 420
420
Melting Completion (Liquidus), °C 1660
1150
Melting Onset (Solidus), °C 1610
1120
Specific Heat Capacity, J/kg-K 540
480
Thermal Expansion, µm/m-K 8.8
12

Otherwise Unclassified Properties

Density, g/cm3 4.5
8.1
Embodied Carbon, kg CO2/kg material 31
8.0
Embodied Energy, MJ/kg 510
110
Embodied Water, L/kg 110
430

Common Calculations

Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 35
24
Strength to Weight: Axial, points 19
24
Strength to Weight: Bending, points 23
22
Thermal Shock Resistance, points 24
21

Alloy Composition

Aluminum (Al), % 0
0 to 0.050
Boron (B), % 0
0.7 to 0.9
Carbon (C), % 0 to 0.080
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 0.2
0 to 1.0
Nickel (Ni), % 0
16 to 18
Nitrogen (N), % 0 to 0.030
0
Oxygen (O), % 0 to 0.18
0
Phosphorus (P), % 0
0 to 0.020
Selenium (Se), % 0
0 to 0.0050
Silicon (Si), % 0
7.5 to 8.5
Sulfur (S), % 0
0 to 0.020
Titanium (Ti), % 99.095 to 100
0 to 0.050
Tungsten (W), % 0
3.5 to 4.5
Zirconium (Zr), % 0
0 to 0.050
Residuals, % 0
0 to 0.5