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N10665 Nickel vs. R30006 Cobalt

N10665 nickel 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 (7, in this case) are not shown.

For each property being compared, the top bar is N10665 nickel 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 340
260
Poisson's Ratio 0.31
0.28
Shear Modulus, GPa 84
85
Tensile Strength: Ultimate (UTS), MPa 860
900
Tensile Strength: Yield (Proof), MPa 400
540

Thermal Properties

Latent Heat of Fusion, J/g 310
320
Melting Completion (Liquidus), °C 1620
1400
Melting Onset (Solidus), °C 1570
1290
Specific Heat Capacity, J/kg-K 390
450
Thermal Conductivity, W/m-K 11
15
Thermal Expansion, µm/m-K 10
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.3
1.6
Electrical Conductivity: Equal Weight (Specific), % IACS 1.2
1.7

Otherwise Unclassified Properties

Density, g/cm3 9.3
8.6
Embodied Carbon, kg CO2/kg material 15
7.8
Embodied Energy, MJ/kg 200
110
Embodied Water, L/kg 270
500

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 320
7.8
Resilience: Unit (Modulus of Resilience), kJ/m3 360
670
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 22
23
Strength to Weight: Axial, points 26
29
Strength to Weight: Bending, points 22
24
Thermal Diffusivity, mm2/s 3.1
3.9
Thermal Shock Resistance, points 27
26

Alloy Composition

Carbon (C), % 0 to 0.020
0.9 to 1.4
Chromium (Cr), % 0 to 1.0
27 to 32
Cobalt (Co), % 0 to 1.0
48.6 to 68.1
Iron (Fe), % 0 to 2.0
0 to 3.0
Manganese (Mn), % 0 to 1.0
0
Molybdenum (Mo), % 26 to 30
0 to 1.0
Nickel (Ni), % 64.8 to 74
0 to 3.0
Phosphorus (P), % 0 to 0.040
0
Silicon (Si), % 0 to 0.1
0 to 2.0
Sulfur (S), % 0 to 0.030
0
Tungsten (W), % 0
4.0 to 6.0