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AWS BCo-1 vs. Monel R-405

AWS BCo-1 belongs to the cobalt alloys classification, while Monel R-405 belongs to the nickel 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 AWS BCo-1 and the bottom bar is Monel R-405.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
160
Poisson's Ratio 0.3
0.32
Shear Modulus, GPa 78
62
Tensile Strength: Ultimate (UTS), MPa 700
540 to 630

Thermal Properties

Latent Heat of Fusion, J/g 420
270
Melting Completion (Liquidus), °C 1150
1350
Melting Onset (Solidus), °C 1120
1300
Specific Heat Capacity, J/kg-K 480
430
Thermal Expansion, µm/m-K 12
14

Otherwise Unclassified Properties

Density, g/cm3 8.1
8.9
Embodied Carbon, kg CO2/kg material 8.0
7.9
Embodied Energy, MJ/kg 110
110
Embodied Water, L/kg 430
250

Common Calculations

Stiffness to Weight: Axial, points 14
10
Stiffness to Weight: Bending, points 24
21
Strength to Weight: Axial, points 24
17 to 20
Strength to Weight: Bending, points 22
17 to 18
Thermal Shock Resistance, points 21
17 to 20

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 0.3
Chromium (Cr), % 18 to 20
0
Cobalt (Co), % 46 to 54
0
Copper (Cu), % 0
28 to 34
Iron (Fe), % 0 to 1.0
0 to 2.5
Manganese (Mn), % 0
0 to 2.0
Nickel (Ni), % 16 to 18
63 to 72
Phosphorus (P), % 0 to 0.020
0
Selenium (Se), % 0 to 0.0050
0
Silicon (Si), % 7.5 to 8.5
0 to 0.5
Sulfur (S), % 0 to 0.020
0.025 to 0.060
Titanium (Ti), % 0 to 0.050
0
Tungsten (W), % 3.5 to 4.5
0
Zirconium (Zr), % 0 to 0.050
0
Residuals, % 0 to 0.5
0