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EN 2.4608 Nickel vs. EN 2.4964 Cobalt

EN 2.4608 nickel belongs to the nickel alloys classification, while EN 2.4964 cobalt belongs to the cobalt alloys. They have a modest 39% of their average alloy composition in common, which, by itself, doesn't mean much. There are 27 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is EN 2.4608 nickel and the bottom bar is EN 2.4964 cobalt.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
220
Elongation at Break, % 34
40
Fatigue Strength, MPa 200
220
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 81
86
Tensile Strength: Ultimate (UTS), MPa 620
960
Tensile Strength: Yield (Proof), MPa 270
390

Thermal Properties

Latent Heat of Fusion, J/g 330
290
Melting Completion (Liquidus), °C 1460
1630
Melting Onset (Solidus), °C 1410
1550
Specific Heat Capacity, J/kg-K 460
400
Thermal Conductivity, W/m-K 11
15
Thermal Expansion, µm/m-K 13
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.5
1.9
Electrical Conductivity: Equal Weight (Specific), % IACS 1.6
1.8

Otherwise Unclassified Properties

Density, g/cm3 8.5
9.6
Embodied Carbon, kg CO2/kg material 8.4
9.8
Embodied Energy, MJ/kg 120
140
Embodied Water, L/kg 270
450

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 170
310
Resilience: Unit (Modulus of Resilience), kJ/m3 180
340
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 23
21
Strength to Weight: Axial, points 20
28
Strength to Weight: Bending, points 19
23
Thermal Diffusivity, mm2/s 2.9
3.9
Thermal Shock Resistance, points 16
25

Alloy Composition

Carbon (C), % 0.030 to 0.080
0.050 to 0.15
Chromium (Cr), % 24 to 26
19 to 21
Cobalt (Co), % 2.5 to 4.0
46.4 to 58
Iron (Fe), % 11.4 to 23.8
0 to 3.0
Manganese (Mn), % 0 to 2.0
0 to 2.0
Molybdenum (Mo), % 2.5 to 4.0
0
Nickel (Ni), % 44 to 47
9.0 to 11
Phosphorus (P), % 0 to 0.030
0 to 0.020
Silicon (Si), % 0.7 to 1.5
0 to 0.4
Sulfur (S), % 0 to 0.015
0 to 0.015
Tungsten (W), % 2.5 to 4.0
14 to 16