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EN 2.4964 Cobalt vs. AWS BNi-5

EN 2.4964 cobalt belongs to the cobalt alloys classification, while AWS BNi-5 belongs to the nickel 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 EN 2.4964 cobalt and the bottom bar is AWS BNi-5.

Metric UnitsUS Customary Units

Mechanical Properties

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

Thermal Properties

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

Otherwise Unclassified Properties

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

Common Calculations

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

Alloy Composition

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