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R30003 Cobalt vs. EN 2.4952 Nickel

R30003 cobalt belongs to the cobalt alloys classification, while EN 2.4952 nickel belongs to the nickel alloys. They have a modest 37% 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 2.4952 nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
190
Elongation at Break, % 10 to 73
17
Fatigue Strength, MPa 320 to 560
370
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 83
74
Tensile Strength: Ultimate (UTS), MPa 970 to 1720
1150
Tensile Strength: Yield (Proof), MPa 510 to 1090
670

Thermal Properties

Latent Heat of Fusion, J/g 310
330
Melting Completion (Liquidus), °C 1400
1350
Melting Onset (Solidus), °C 1440
1300
Specific Heat Capacity, J/kg-K 450
470
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
55
Density, g/cm3 8.4
8.3
Embodied Carbon, kg CO2/kg material 8.0
9.8
Embodied Energy, MJ/kg 110
140
Embodied Water, L/kg 400
290

Common Calculations

Resilience: Unit (Modulus of Resilience), kJ/m3 600 to 2790
1180
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 24
23
Strength to Weight: Axial, points 32 to 57
38
Strength to Weight: Bending, points 26 to 38
29
Thermal Diffusivity, mm2/s 3.3
3.1
Thermal Shock Resistance, points 26 to 45
33

Alloy Composition

Aluminum (Al), % 0
1.0 to 1.8
Boron (B), % 0 to 0.1
0 to 0.0080
Carbon (C), % 0 to 0.15
0.040 to 0.1
Chromium (Cr), % 19 to 21
18 to 21
Cobalt (Co), % 39 to 41
0 to 1.0
Copper (Cu), % 0
0 to 0.2
Iron (Fe), % 10 to 20.5
0 to 1.5
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 to 79.2
Phosphorus (P), % 0 to 0.015
0 to 0.020
Silicon (Si), % 0 to 1.2
0 to 1.0
Sulfur (S), % 0 to 0.015
0 to 0.015
Titanium (Ti), % 0
1.8 to 2.7