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EN 2.4964 Cobalt vs. AWS E320LR

EN 2.4964 cobalt belongs to the cobalt alloys classification, while AWS E320LR belongs to the iron alloys. They have a modest 33% of their average alloy composition in common, which, by itself, doesn't mean much. There are 19 material properties with values for both materials. Properties with values for just one material (10, 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 E320LR.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 220
200
Elongation at Break, % 40
34
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 86
77
Tensile Strength: Ultimate (UTS), MPa 960
580

Thermal Properties

Latent Heat of Fusion, J/g 290
300
Melting Completion (Liquidus), °C 1630
1410
Melting Onset (Solidus), °C 1550
1360
Specific Heat Capacity, J/kg-K 400
460
Thermal Expansion, µm/m-K 12
14

Otherwise Unclassified Properties

Density, g/cm3 9.6
8.2
Embodied Carbon, kg CO2/kg material 9.8
6.2
Embodied Energy, MJ/kg 140
87
Embodied Water, L/kg 450
220

Common Calculations

Stiffness to Weight: Axial, points 13
13
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
15

Alloy Composition

Carbon (C), % 0.050 to 0.15
0 to 0.030
Chromium (Cr), % 19 to 21
19 to 21
Cobalt (Co), % 46.4 to 58
0
Copper (Cu), % 0
3.0 to 4.0
Iron (Fe), % 0 to 3.0
32.7 to 42.5
Manganese (Mn), % 0 to 2.0
1.5 to 2.5
Molybdenum (Mo), % 0
2.0 to 3.0
Nickel (Ni), % 9.0 to 11
32 to 36
Niobium (Nb), % 0
0 to 0.4
Phosphorus (P), % 0 to 0.020
0 to 0.020
Silicon (Si), % 0 to 0.4
0 to 0.3
Sulfur (S), % 0 to 0.015
0 to 0.015
Tungsten (W), % 14 to 16
0