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EN 2.4964 Cobalt vs. Nickel 625

EN 2.4964 cobalt belongs to the cobalt alloys classification, while nickel 625 belongs to the nickel alloys. They have a modest 33% 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 (4, in this case) are not shown.

For each property being compared, the top bar is EN 2.4964 cobalt and the bottom bar is nickel 625.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 220
200
Elongation at Break, % 40
33 to 34
Fatigue Strength, MPa 220
240 to 320
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 86
79
Tensile Strength: Ultimate (UTS), MPa 960
790 to 910
Tensile Strength: Yield (Proof), MPa 390
320 to 450

Thermal Properties

Latent Heat of Fusion, J/g 290
330
Melting Completion (Liquidus), °C 1630
1350
Melting Onset (Solidus), °C 1550
1290
Specific Heat Capacity, J/kg-K 400
440
Thermal Conductivity, W/m-K 15
11
Thermal Expansion, µm/m-K 12
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.9
1.3
Electrical Conductivity: Equal Weight (Specific), % IACS 1.8
1.4

Otherwise Unclassified Properties

Density, g/cm3 9.6
8.6
Embodied Carbon, kg CO2/kg material 9.8
14
Embodied Energy, MJ/kg 140
190
Embodied Water, L/kg 450
290

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 310
220 to 250
Resilience: Unit (Modulus of Resilience), kJ/m3 340
260 to 490
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 21
23
Strength to Weight: Axial, points 28
26 to 29
Strength to Weight: Bending, points 23
22 to 24
Thermal Diffusivity, mm2/s 3.9
2.9
Thermal Shock Resistance, points 25
22 to 25

Alloy Composition

Aluminum (Al), % 0
0 to 0.4
Carbon (C), % 0.050 to 0.15
0 to 0.1
Chromium (Cr), % 19 to 21
20 to 23
Cobalt (Co), % 46.4 to 58
0 to 1.0
Iron (Fe), % 0 to 3.0
0 to 5.0
Manganese (Mn), % 0 to 2.0
0 to 0.5
Molybdenum (Mo), % 0
8.0 to 10
Nickel (Ni), % 9.0 to 11
58 to 68.9
Niobium (Nb), % 0
3.2 to 4.2
Phosphorus (P), % 0 to 0.020
0 to 0.015
Silicon (Si), % 0 to 0.4
0 to 0.5
Sulfur (S), % 0 to 0.015
0 to 0.015
Titanium (Ti), % 0
0 to 0.4
Tungsten (W), % 14 to 16
0