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R30006 Cobalt vs. N06455 Nickel

R30006 cobalt belongs to the cobalt alloys classification, while N06455 nickel belongs to the nickel alloys. They have a modest 21% of their average alloy composition in common, which, by itself, doesn't mean much. There are 28 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 N06455 nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 220
210
Elongation at Break, % 1.0
47
Fatigue Strength, MPa 260
290
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 85
82
Tensile Strength: Ultimate (UTS), MPa 900
780
Tensile Strength: Yield (Proof), MPa 540
330

Thermal Properties

Latent Heat of Fusion, J/g 320
320
Melting Completion (Liquidus), °C 1400
1510
Melting Onset (Solidus), °C 1290
1450
Specific Heat Capacity, J/kg-K 450
430
Thermal Conductivity, W/m-K 15
10
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

Calomel Potential, mV -250
-80
Density, g/cm3 8.6
8.8
Embodied Carbon, kg CO2/kg material 7.8
12
Embodied Energy, MJ/kg 110
160
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
260
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 23
23
Strength to Weight: Axial, points 29
24
Strength to Weight: Bending, points 24
21
Thermal Diffusivity, mm2/s 3.9
2.7
Thermal Shock Resistance, points 26
24

Alloy Composition

Carbon (C), % 0.9 to 1.4
0 to 0.015
Chromium (Cr), % 27 to 32
14 to 18
Cobalt (Co), % 48.6 to 68.1
0 to 2.0
Iron (Fe), % 0 to 3.0
0 to 3.0
Manganese (Mn), % 0
0 to 1.0
Molybdenum (Mo), % 0 to 1.0
14 to 17
Nickel (Ni), % 0 to 3.0
58.1 to 72
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 0 to 2.0
0 to 0.080
Sulfur (S), % 0
0 to 0.030
Titanium (Ti), % 0
0 to 0.7
Tungsten (W), % 4.0 to 6.0
0