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R30003 Cobalt vs. N06455 Nickel

R30003 cobalt belongs to the cobalt alloys classification, while N06455 nickel belongs to the nickel alloys. They have 41% of their average alloy composition in common. 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 N06455 nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
210
Elongation at Break, % 10 to 73
47
Fatigue Strength, MPa 320 to 560
290
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 83
82
Tensile Strength: Ultimate (UTS), MPa 970 to 1720
780
Tensile Strength: Yield (Proof), MPa 510 to 1090
330

Thermal Properties

Latent Heat of Fusion, J/g 310
320
Melting Completion (Liquidus), °C 1400
1510
Melting Onset (Solidus), °C 1440
1450
Specific Heat Capacity, J/kg-K 450
430
Thermal Conductivity, W/m-K 13
10
Thermal Expansion, µm/m-K 13
11

Electrical Properties

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

Otherwise Unclassified Properties

Base Metal Price, % relative 95
65
Density, g/cm3 8.4
8.8
Embodied Carbon, kg CO2/kg material 8.0
12
Embodied Energy, MJ/kg 110
160
Embodied Water, L/kg 400
290

Common Calculations

Resilience: Unit (Modulus of Resilience), kJ/m3 600 to 2790
260
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 24
23
Strength to Weight: Axial, points 32 to 57
24
Strength to Weight: Bending, points 26 to 38
21
Thermal Diffusivity, mm2/s 3.3
2.7
Thermal Shock Resistance, points 26 to 45
24

Alloy Composition

Boron (B), % 0 to 0.1
0
Carbon (C), % 0 to 0.15
0 to 0.015
Chromium (Cr), % 19 to 21
14 to 18
Cobalt (Co), % 39 to 41
0 to 2.0
Iron (Fe), % 10 to 20.5
0 to 3.0
Manganese (Mn), % 1.5 to 2.5
0 to 1.0
Molybdenum (Mo), % 6.0 to 8.0
14 to 17
Nickel (Ni), % 14 to 16
58.1 to 72
Phosphorus (P), % 0 to 0.015
0 to 0.040
Silicon (Si), % 0 to 1.2
0 to 0.080
Sulfur (S), % 0 to 0.015
0 to 0.030
Titanium (Ti), % 0
0 to 0.7