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AWS BNi-6 vs. AWS BCo-1

AWS BNi-6 belongs to the nickel alloys classification, while AWS BCo-1 belongs to the cobalt alloys. There are 19 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 AWS BNi-6 and the bottom bar is AWS BCo-1.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 160
200
Poisson's Ratio 0.31
0.3
Shear Modulus, GPa 62
78
Tensile Strength: Ultimate (UTS), MPa 450
700

Thermal Properties

Brazing Temperature, °C 930 to 1090
1150 to 1230
Latent Heat of Fusion, J/g 260
420
Melting Completion (Liquidus), °C 880
1150
Melting Onset (Solidus), °C 880
1120
Specific Heat Capacity, J/kg-K 480
480
Thermal Expansion, µm/m-K 9.8
12

Otherwise Unclassified Properties

Density, g/cm3 8.2
8.1
Embodied Carbon, kg CO2/kg material 9.4
8.0
Embodied Energy, MJ/kg 130
110
Embodied Water, L/kg 210
430

Common Calculations

Stiffness to Weight: Axial, points 11
14
Stiffness to Weight: Bending, points 22
24
Strength to Weight: Axial, points 15
24
Strength to Weight: Bending, points 16
22
Thermal Shock Resistance, points 20
21

Alloy Composition

Aluminum (Al), % 0 to 0.050
0 to 0.050
Boron (B), % 0
0.7 to 0.9
Carbon (C), % 0 to 0.060
0.35 to 0.45
Chromium (Cr), % 0
18 to 20
Cobalt (Co), % 0 to 0.1
46 to 54
Iron (Fe), % 0
0 to 1.0
Nickel (Ni), % 87.2 to 90
16 to 18
Phosphorus (P), % 10 to 12
0 to 0.020
Selenium (Se), % 0 to 0.0050
0 to 0.0050
Silicon (Si), % 0
7.5 to 8.5
Sulfur (S), % 0 to 0.020
0 to 0.020
Titanium (Ti), % 0 to 0.050
0 to 0.050
Tungsten (W), % 0
3.5 to 4.5
Zirconium (Zr), % 0 to 0.050
0 to 0.050
Residuals, % 0
0 to 0.5