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R30006 Cobalt vs. N12160 Nickel

R30006 cobalt belongs to the cobalt alloys classification, while N12160 nickel belongs to the nickel alloys. They have 63% of their average alloy composition in common. There are 25 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.

For each property being compared, the top bar is R30006 cobalt and the bottom bar is N12160 nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 220
210
Elongation at Break, % 1.0
45
Fatigue Strength, MPa 260
230
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 85
80
Tensile Strength: Ultimate (UTS), MPa 900
710
Tensile Strength: Yield (Proof), MPa 540
270

Thermal Properties

Latent Heat of Fusion, J/g 320
360
Melting Completion (Liquidus), °C 1400
1330
Melting Onset (Solidus), °C 1290
1280
Specific Heat Capacity, J/kg-K 450
470
Thermal Conductivity, W/m-K 15
11
Thermal Expansion, µm/m-K 11
13

Otherwise Unclassified Properties

Density, g/cm3 8.6
8.2
Embodied Carbon, kg CO2/kg material 7.8
8.5
Embodied Energy, MJ/kg 110
120
Embodied Water, L/kg 500
400

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 7.8
260
Resilience: Unit (Modulus of Resilience), kJ/m3 670
180
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 23
24
Strength to Weight: Axial, points 29
24
Strength to Weight: Bending, points 24
22
Thermal Diffusivity, mm2/s 3.9
2.8
Thermal Shock Resistance, points 26
19

Alloy Composition

Carbon (C), % 0.9 to 1.4
0 to 0.15
Chromium (Cr), % 27 to 32
26 to 30
Cobalt (Co), % 48.6 to 68.1
27 to 33
Iron (Fe), % 0 to 3.0
0 to 3.5
Manganese (Mn), % 0
0 to 1.5
Molybdenum (Mo), % 0 to 1.0
0 to 1.0
Nickel (Ni), % 0 to 3.0
25 to 44.4
Niobium (Nb), % 0
0 to 1.0
Phosphorus (P), % 0
0 to 0.030
Silicon (Si), % 0 to 2.0
2.4 to 3.0
Sulfur (S), % 0
0 to 0.015
Titanium (Ti), % 0
0.2 to 0.8
Tungsten (W), % 4.0 to 6.0
0 to 1.0