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EN 2.4856 Nickel vs. R30006 Cobalt

EN 2.4856 nickel belongs to the nickel alloys classification, while R30006 cobalt belongs to the cobalt alloys. They have a modest 26% 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 (7, in this case) are not shown.

For each property being compared, the top bar is EN 2.4856 nickel and the bottom bar is R30006 cobalt.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
220
Elongation at Break, % 28
1.0
Fatigue Strength, MPa 280
260
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 79
85
Tensile Strength: Ultimate (UTS), MPa 880
900
Tensile Strength: Yield (Proof), MPa 430
540

Thermal Properties

Latent Heat of Fusion, J/g 330
320
Melting Completion (Liquidus), °C 1480
1400
Melting Onset (Solidus), °C 1430
1290
Specific Heat Capacity, J/kg-K 440
450
Thermal Conductivity, W/m-K 10
15
Thermal Expansion, µm/m-K 11
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.3
1.6
Electrical Conductivity: Equal Weight (Specific), % IACS 1.4
1.7

Otherwise Unclassified Properties

Density, g/cm3 8.6
8.6
Embodied Carbon, kg CO2/kg material 14
7.8
Embodied Energy, MJ/kg 190
110
Embodied Water, L/kg 290
500

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 200
7.8
Resilience: Unit (Modulus of Resilience), kJ/m3 440
670
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 23
23
Strength to Weight: Axial, points 28
29
Strength to Weight: Bending, points 24
24
Thermal Diffusivity, mm2/s 2.7
3.9
Thermal Shock Resistance, points 29
26

Alloy Composition

Aluminum (Al), % 0 to 0.4
0
Carbon (C), % 0.030 to 0.1
0.9 to 1.4
Chromium (Cr), % 20 to 23
27 to 32
Cobalt (Co), % 0 to 1.0
48.6 to 68.1
Copper (Cu), % 0 to 0.5
0
Iron (Fe), % 0 to 5.0
0 to 3.0
Manganese (Mn), % 0 to 0.5
0
Molybdenum (Mo), % 8.0 to 10
0 to 1.0
Nickel (Ni), % 58 to 68.8
0 to 3.0
Niobium (Nb), % 3.2 to 4.2
0
Phosphorus (P), % 0 to 0.020
0
Silicon (Si), % 0 to 0.5
0 to 2.0
Sulfur (S), % 0 to 0.015
0
Titanium (Ti), % 0 to 0.4
0
Tungsten (W), % 0
4.0 to 6.0