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EN 2.4964 Cobalt vs. Grade CX2M Nickel

EN 2.4964 cobalt belongs to the cobalt alloys classification, while grade CX2M nickel belongs to the nickel alloys. They have a modest 31% of their average alloy composition in common, which, by itself, doesn't mean much. There are 25 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 grade CX2M nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 220
220
Elongation at Break, % 40
45
Fatigue Strength, MPa 220
260
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 86
84
Tensile Strength: Ultimate (UTS), MPa 960
550
Tensile Strength: Yield (Proof), MPa 390
310

Thermal Properties

Latent Heat of Fusion, J/g 290
330
Melting Completion (Liquidus), °C 1630
1500
Melting Onset (Solidus), °C 1550
1450
Specific Heat Capacity, J/kg-K 400
430
Thermal Conductivity, W/m-K 15
10
Thermal Expansion, µm/m-K 12
12

Otherwise Unclassified Properties

Density, g/cm3 9.6
8.7
Embodied Carbon, kg CO2/kg material 9.8
12
Embodied Energy, MJ/kg 140
160
Embodied Water, L/kg 450
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 310
210
Resilience: Unit (Modulus of Resilience), kJ/m3 340
220
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 21
23
Strength to Weight: Axial, points 28
18
Strength to Weight: Bending, points 23
17
Thermal Diffusivity, mm2/s 3.9
2.7
Thermal Shock Resistance, points 25
15

Alloy Composition

Carbon (C), % 0.050 to 0.15
0 to 0.020
Chromium (Cr), % 19 to 21
22 to 24
Cobalt (Co), % 46.4 to 58
0
Iron (Fe), % 0 to 3.0
0 to 1.5
Manganese (Mn), % 0 to 2.0
0 to 1.0
Molybdenum (Mo), % 0
15 to 16.5
Nickel (Ni), % 9.0 to 11
56.4 to 63
Phosphorus (P), % 0 to 0.020
0 to 0.020
Silicon (Si), % 0 to 0.4
0 to 0.5
Sulfur (S), % 0 to 0.015
0 to 0.020
Tungsten (W), % 14 to 16
0