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AWS BCo-1 vs. R05240 Alloy

AWS BCo-1 belongs to the cobalt alloys classification, while R05240 alloy belongs to the otherwise unclassified metals. There are 14 material properties with values for both materials. Properties with values for just one material (9, in this case) are not shown.

For each property being compared, the top bar is AWS BCo-1 and the bottom bar is R05240 alloy.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
150
Poisson's Ratio 0.3
0.36
Shear Modulus, GPa 78
57
Tensile Strength: Ultimate (UTS), MPa 700
270

Thermal Properties

Latent Heat of Fusion, J/g 420
210
Specific Heat Capacity, J/kg-K 480
190
Thermal Expansion, µm/m-K 12
6.8

Otherwise Unclassified Properties

Density, g/cm3 8.1
14
Embodied Water, L/kg 430
460

Common Calculations

Stiffness to Weight: Axial, points 14
6.3
Stiffness to Weight: Bending, points 24
13
Strength to Weight: Axial, points 24
5.4
Strength to Weight: Bending, points 22
6.8
Thermal Shock Resistance, points 21
18

Alloy Composition

Aluminum (Al), % 0 to 0.050
0
Boron (B), % 0.7 to 0.9
0
Carbon (C), % 0.35 to 0.45
0 to 0.010
Chromium (Cr), % 18 to 20
0
Cobalt (Co), % 46 to 54
0
Hydrogen (H), % 0
0 to 0.0015
Iron (Fe), % 0 to 1.0
0 to 0.010
Molybdenum (Mo), % 0
0 to 0.020
Nickel (Ni), % 16 to 18
0 to 0.010
Niobium (Nb), % 0
35 to 42
Nitrogen (N), % 0
0 to 0.010
Oxygen (O), % 0
0 to 0.020
Phosphorus (P), % 0 to 0.020
0
Selenium (Se), % 0 to 0.0050
0
Silicon (Si), % 7.5 to 8.5
0 to 0.0050
Sulfur (S), % 0 to 0.020
0
Tantalum (Ta), % 0
57.9 to 65
Titanium (Ti), % 0 to 0.050
0 to 0.010
Tungsten (W), % 3.5 to 4.5
0 to 0.050
Zirconium (Zr), % 0 to 0.050
0
Residuals, % 0 to 0.5
0