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EN 2.4964 Cobalt vs. AWS BNi-8

EN 2.4964 cobalt belongs to the cobalt alloys classification, while AWS BNi-8 belongs to the nickel alloys. 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-8.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 220
180
Poisson's Ratio 0.29
0.32
Shear Modulus, GPa 86
67
Tensile Strength: Ultimate (UTS), MPa 960
570

Thermal Properties

Latent Heat of Fusion, J/g 290
390
Melting Completion (Liquidus), °C 1630
1010
Melting Onset (Solidus), °C 1550
980
Specific Heat Capacity, J/kg-K 400
480
Thermal Expansion, µm/m-K 12
13

Otherwise Unclassified Properties

Density, g/cm3 9.6
7.9
Embodied Carbon, kg CO2/kg material 9.8
8.2
Embodied Energy, MJ/kg 140
120
Embodied Water, L/kg 450
220

Common Calculations

Stiffness to Weight: Axial, points 13
12
Stiffness to Weight: Bending, points 21
24
Strength to Weight: Axial, points 28
20
Strength to Weight: Bending, points 23
19
Thermal Shock Resistance, points 25
17

Alloy Composition

Aluminum (Al), % 0
0 to 0.050
Carbon (C), % 0.050 to 0.15
0 to 0.060
Chromium (Cr), % 19 to 21
0
Cobalt (Co), % 46.4 to 58
0 to 0.1
Copper (Cu), % 0
4.0 to 5.0
Iron (Fe), % 0 to 3.0
0
Manganese (Mn), % 0 to 2.0
21.5 to 24.5
Nickel (Ni), % 9.0 to 11
61.6 to 68.5
Phosphorus (P), % 0 to 0.020
0 to 0.020
Selenium (Se), % 0
0 to 0.0050
Silicon (Si), % 0 to 0.4
6.0 to 8.0
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