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R30003 Cobalt vs. EN 2.4669 Nickel

R30003 cobalt belongs to the cobalt alloys classification, while EN 2.4669 nickel belongs to the nickel 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 (5, in this case) are not shown.

For each property being compared, the top bar is R30003 cobalt and the bottom bar is EN 2.4669 nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
190
Elongation at Break, % 10 to 73
16
Fatigue Strength, MPa 320 to 560
390
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 83
73
Tensile Strength: Ultimate (UTS), MPa 970 to 1720
1110
Tensile Strength: Yield (Proof), MPa 510 to 1090
720

Thermal Properties

Latent Heat of Fusion, J/g 310
310
Melting Completion (Liquidus), °C 1400
1380
Melting Onset (Solidus), °C 1440
1330
Specific Heat Capacity, J/kg-K 450
460
Thermal Conductivity, W/m-K 13
12
Thermal Expansion, µm/m-K 13
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.0
1.4
Electrical Conductivity: Equal Weight (Specific), % IACS 2.1
1.5

Otherwise Unclassified Properties

Base Metal Price, % relative 95
60
Density, g/cm3 8.4
8.4
Embodied Carbon, kg CO2/kg material 8.0
10
Embodied Energy, MJ/kg 110
150
Embodied Water, L/kg 400
260

Common Calculations

Resilience: Unit (Modulus of Resilience), kJ/m3 600 to 2790
1380
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 24
23
Strength to Weight: Axial, points 32 to 57
37
Strength to Weight: Bending, points 26 to 38
28
Thermal Diffusivity, mm2/s 3.3
3.1
Thermal Shock Resistance, points 26 to 45
33

Alloy Composition

Aluminum (Al), % 0
0.4 to 1.0
Boron (B), % 0 to 0.1
0
Carbon (C), % 0 to 0.15
0 to 0.080
Chromium (Cr), % 19 to 21
14 to 17
Cobalt (Co), % 39 to 41
0 to 1.0
Copper (Cu), % 0
0 to 0.5
Iron (Fe), % 10 to 20.5
5.0 to 9.0
Manganese (Mn), % 1.5 to 2.5
0 to 1.0
Molybdenum (Mo), % 6.0 to 8.0
0
Nickel (Ni), % 14 to 16
65.9 to 77.7
Niobium (Nb), % 0
0.7 to 1.2
Phosphorus (P), % 0 to 0.015
0 to 0.020
Silicon (Si), % 0 to 1.2
0 to 0.5
Sulfur (S), % 0 to 0.015
0 to 0.015
Titanium (Ti), % 0
2.3 to 2.8