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EN 2.4680 Cast Nickel vs. R30001 Cobalt

EN 2.4680 cast nickel belongs to the nickel alloys classification, while R30001 cobalt belongs to the cobalt alloys. They have a modest 33% 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 (10, in this case) are not shown.

For each property being compared, the top bar is EN 2.4680 cast nickel and the bottom bar is R30001 cobalt.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
220
Elongation at Break, % 9.1
1.0
Poisson's Ratio 0.26
0.28
Shear Modulus, GPa 84
86
Tensile Strength: Ultimate (UTS), MPa 600
620

Thermal Properties

Latent Heat of Fusion, J/g 350
310
Melting Completion (Liquidus), °C 1360
1530
Melting Onset (Solidus), °C 1320
1260
Specific Heat Capacity, J/kg-K 480
430
Thermal Conductivity, W/m-K 14
15
Thermal Expansion, µm/m-K 15
11

Otherwise Unclassified Properties

Density, g/cm3 8.0
9.0
Embodied Carbon, kg CO2/kg material 9.1
8.9
Embodied Energy, MJ/kg 130
130
Embodied Water, L/kg 350
460

Common Calculations

Stiffness to Weight: Axial, points 15
14
Stiffness to Weight: Bending, points 25
22
Strength to Weight: Axial, points 21
19
Strength to Weight: Bending, points 20
18
Thermal Diffusivity, mm2/s 3.7
3.7
Thermal Shock Resistance, points 14
19

Alloy Composition

Carbon (C), % 0 to 0.1
2.0 to 3.0
Chromium (Cr), % 48 to 52
28 to 32
Cobalt (Co), % 0
43 to 59
Iron (Fe), % 0 to 1.0
0 to 3.0
Manganese (Mn), % 0 to 0.5
0
Molybdenum (Mo), % 0 to 0.5
0 to 1.0
Nickel (Ni), % 42.9 to 51
0 to 3.0
Niobium (Nb), % 1.0 to 1.8
0
Nitrogen (N), % 0 to 0.16
0
Phosphorus (P), % 0 to 0.020
0
Silicon (Si), % 0 to 1.0
0 to 2.0
Sulfur (S), % 0 to 0.020
0
Tungsten (W), % 0
11 to 13