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.

EN 2.4964 (CoCr20W15Ni) Cobalt Alloy AWS BNi-8 (N99800) Filler Metal

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa		220
Elastic (Young's, Tensile) Modulus, GPa		180

Poisson's Ratio		0.29
Poisson's Ratio		0.32

Shear Modulus, GPa		86
Shear Modulus, GPa		67

Tensile Strength: Ultimate (UTS), MPa		960
Tensile Strength: Ultimate (UTS), MPa		570

Thermal Properties

Latent Heat of Fusion, J/g		290
Latent Heat of Fusion, J/g		390

Melting Completion (Liquidus), °C		1630
Melting Completion (Liquidus), °C		1010

Melting Onset (Solidus), °C		1550
Melting Onset (Solidus), °C		980

Specific Heat Capacity, J/kg-K		400
Specific Heat Capacity, J/kg-K		480

Thermal Expansion, µm/m-K		12
Thermal Expansion, µm/m-K		13

Otherwise Unclassified Properties

Density, g/cm³		9.6
Density, g/cm³		7.9

Embodied Carbon, kg CO₂/kg material		9.8
Embodied Carbon, kg CO₂/kg material		8.2

Embodied Energy, MJ/kg		140
Embodied Energy, MJ/kg		120

Embodied Water, L/kg		450
Embodied Water, L/kg		220

Common Calculations

Stiffness to Weight: Axial, points		13
Stiffness to Weight: Axial, points		12

Stiffness to Weight: Bending, points		21
Stiffness to Weight: Bending, points		24

Strength to Weight: Axial, points		28
Strength to Weight: Axial, points		20

Strength to Weight: Bending, points		23
Strength to Weight: Bending, points		19

Thermal Shock Resistance, points		25
Thermal Shock Resistance, points		17

Alloy Composition

Aluminum (Al), %		0
Aluminum (Al), %		0 to 0.050

Carbon (C), %		0.050 to 0.15
Carbon (C), %		0 to 0.060

Chromium (Cr), %		19 to 21
Chromium (Cr), %		0

Cobalt (Co), %		46.4 to 58
Cobalt (Co), %		0 to 0.1

Copper (Cu), %		0
Copper (Cu), %		4.0 to 5.0

Iron (Fe), %		0 to 3.0
Iron (Fe), %		0

Manganese (Mn), %		0 to 2.0
Manganese (Mn), %		21.5 to 24.5

Nickel (Ni), %		9.0 to 11
Nickel (Ni), %		61.6 to 68.5

Phosphorus (P), %		0 to 0.020
Phosphorus (P), %		0 to 0.020

Selenium (Se), %		0
Selenium (Se), %		0 to 0.0050

Silicon (Si), %		0 to 0.4
Silicon (Si), %		6.0 to 8.0

Sulfur (S), %		0 to 0.015
Sulfur (S), %		0 to 0.020

Titanium (Ti), %		0
Titanium (Ti), %		0 to 0.050

Tungsten (W), %		14 to 16
Tungsten (W), %		0

Zirconium (Zr), %		0
Zirconium (Zr), %		0 to 0.050

Residuals, %		0
Residuals, %		0 to 0.5