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AWS BNi-5 vs. EN 2.4964 Cobalt

AWS BNi-5 belongs to the nickel alloys classification, while EN 2.4964 cobalt belongs to the cobalt alloys. They have a modest 29% of their average alloy composition in common, which, by itself, doesn't mean much. There are 18 material properties with values for both materials. Properties with values for just one material (11, in this case) are not shown.

For each property being compared, the top bar is AWS BNi-5 and the bottom bar is EN 2.4964 cobalt.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
220
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 72
86
Tensile Strength: Ultimate (UTS), MPa 470
960

Thermal Properties

Latent Heat of Fusion, J/g 470
290
Melting Completion (Liquidus), °C 1140
1630
Melting Onset (Solidus), °C 1080
1550
Specific Heat Capacity, J/kg-K 510
400
Thermal Expansion, µm/m-K 12
12

Otherwise Unclassified Properties

Density, g/cm3 7.7
9.6
Embodied Carbon, kg CO2/kg material 8.9
9.8
Embodied Energy, MJ/kg 130
140
Embodied Water, L/kg 260
450

Common Calculations

Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 25
21
Strength to Weight: Axial, points 17
28
Strength to Weight: Bending, points 17
23
Thermal Shock Resistance, points 15
25

Alloy Composition


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Aluminum (Al), % 0 to 0.050
0
Boron (B), % 0 to 0.030
0
Carbon (C), % 0 to 0.060
0.050 to 0.15
Chromium (Cr), % 18.5 to 19.5
19 to 21
Cobalt (Co), % 0 to 0.1
46.4 to 58
Iron (Fe), % 0
0 to 3.0
Manganese (Mn), % 0
0 to 2.0
Nickel (Ni), % 69.1 to 71.8
9.0 to 11
Phosphorus (P), % 0 to 0.020
0 to 0.020
Selenium (Se), % 0 to 0.0050
0
Silicon (Si), % 9.8 to 10.5
0 to 0.4
Sulfur (S), % 0 to 0.020
0 to 0.015
Titanium (Ti), % 0 to 0.050
0
Tungsten (W), % 0
14 to 16
Zirconium (Zr), % 0 to 0.050
0
Residuals, % 0 to 0.5
0