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R30006 Cobalt vs. Nickel 242

R30006 cobalt belongs to the cobalt alloys classification, while nickel 242 belongs to the nickel 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 R30006 cobalt and the bottom bar is nickel 242.

Metric UnitsUS Customary Units

Mechanical Properties

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

Thermal Properties

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

Electrical Properties

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

Otherwise Unclassified Properties

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

Common Calculations

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

Alloy Composition

Aluminum (Al), % 0
0 to 0.5
Boron (B), % 0
0 to 0.0060
Carbon (C), % 0.9 to 1.4
0 to 0.030
Chromium (Cr), % 27 to 32
7.0 to 9.0
Cobalt (Co), % 48.6 to 68.1
0 to 1.0
Copper (Cu), % 0
0 to 0.5
Iron (Fe), % 0 to 3.0
0 to 2.0
Manganese (Mn), % 0
0 to 0.8
Molybdenum (Mo), % 0 to 1.0
24 to 26
Nickel (Ni), % 0 to 3.0
59.3 to 69
Phosphorus (P), % 0
0 to 0.030
Silicon (Si), % 0 to 2.0
0 to 0.8
Sulfur (S), % 0
0 to 0.015
Tungsten (W), % 4.0 to 6.0
0