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Nickel 242 vs. R30006 Cobalt

Nickel 242 belongs to the nickel alloys classification, while R30006 cobalt belongs to the cobalt alloys. There are 27 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is nickel 242 and the bottom bar is R30006 cobalt.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 220
220
Elongation at Break, % 45
1.0
Fatigue Strength, MPa 300
260
Poisson's Ratio 0.3
0.28
Shear Modulus, GPa 84
85
Tensile Strength: Ultimate (UTS), MPa 820
900
Tensile Strength: Yield (Proof), MPa 350
540

Thermal Properties

Latent Heat of Fusion, J/g 330
320
Melting Completion (Liquidus), °C 1380
1400
Melting Onset (Solidus), °C 1290
1290
Specific Heat Capacity, J/kg-K 400
450
Thermal Conductivity, W/m-K 11
15
Thermal Expansion, µm/m-K 11
11

Electrical Properties

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

Otherwise Unclassified Properties

Density, g/cm3 9.0
8.6
Embodied Carbon, kg CO2/kg material 14
7.8
Embodied Energy, MJ/kg 180
110
Embodied Water, L/kg 290
500

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 300
7.8
Resilience: Unit (Modulus of Resilience), kJ/m3 280
670
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 22
23
Strength to Weight: Axial, points 25
29
Strength to Weight: Bending, points 21
24
Thermal Diffusivity, mm2/s 3.1
3.9
Thermal Shock Resistance, points 25
26

Alloy Composition

Aluminum (Al), % 0 to 0.5
0
Boron (B), % 0 to 0.0060
0
Carbon (C), % 0 to 0.030
0.9 to 1.4
Chromium (Cr), % 7.0 to 9.0
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 2.0
0 to 3.0
Manganese (Mn), % 0 to 0.8
0
Molybdenum (Mo), % 24 to 26
0 to 1.0
Nickel (Ni), % 59.3 to 69
0 to 3.0
Phosphorus (P), % 0 to 0.030
0
Silicon (Si), % 0 to 0.8
0 to 2.0
Sulfur (S), % 0 to 0.015
0
Tungsten (W), % 0
4.0 to 6.0