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EN 2.4964 Cobalt vs. AWS E219

EN 2.4964 cobalt belongs to the cobalt alloys classification, while AWS E219 belongs to the iron alloys. They have a modest 29% of their average alloy composition in common, which, by itself, doesn't mean much. There are 21 material properties with values for both materials. Properties with values for just one material (8, 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 E219.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 220
200
Elongation at Break, % 40
17
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 86
78
Tensile Strength: Ultimate (UTS), MPa 960
690

Thermal Properties

Latent Heat of Fusion, J/g 290
290
Melting Completion (Liquidus), °C 1630
1400
Melting Onset (Solidus), °C 1550
1360
Specific Heat Capacity, J/kg-K 400
480
Thermal Conductivity, W/m-K 15
14
Thermal Expansion, µm/m-K 12
15

Otherwise Unclassified Properties

Density, g/cm3 9.6
7.7
Embodied Carbon, kg CO2/kg material 9.8
3.1
Embodied Energy, MJ/kg 140
44
Embodied Water, L/kg 450
160

Common Calculations

Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 21
25
Strength to Weight: Axial, points 28
25
Strength to Weight: Bending, points 23
23
Thermal Diffusivity, mm2/s 3.9
3.8
Thermal Shock Resistance, points 25
17

Alloy Composition

Carbon (C), % 0.050 to 0.15
0 to 0.060
Chromium (Cr), % 19 to 21
19 to 21.5
Cobalt (Co), % 46.4 to 58
0
Copper (Cu), % 0
0 to 0.75
Iron (Fe), % 0 to 3.0
58.6 to 67.4
Manganese (Mn), % 0 to 2.0
8.0 to 10
Molybdenum (Mo), % 0
0 to 0.75
Nickel (Ni), % 9.0 to 11
5.5 to 7.0
Nitrogen (N), % 0
0.1 to 0.3
Phosphorus (P), % 0 to 0.020
0 to 0.040
Silicon (Si), % 0 to 0.4
0 to 1.0
Sulfur (S), % 0 to 0.015
0 to 0.030
Tungsten (W), % 14 to 16
0