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N10003 Nickel vs. R30816 Cobalt

N10003 nickel belongs to the nickel alloys classification, while R30816 cobalt belongs to the cobalt alloys. They have a modest 35% of their average alloy composition in common, which, by itself, doesn't mean much. There are 25 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 N10003 nickel and the bottom bar is R30816 cobalt.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
210
Elongation at Break, % 42
23
Fatigue Strength, MPa 260
250
Poisson's Ratio 0.3
0.3
Shear Modulus, GPa 80
81
Tensile Strength: Ultimate (UTS), MPa 780
1020
Tensile Strength: Yield (Proof), MPa 320
460

Thermal Properties

Latent Heat of Fusion, J/g 320
300
Melting Completion (Liquidus), °C 1520
1540
Melting Onset (Solidus), °C 1460
1460
Specific Heat Capacity, J/kg-K 420
420
Thermal Conductivity, W/m-K 12
13
Thermal Expansion, µm/m-K 13
12

Otherwise Unclassified Properties

Density, g/cm3 8.9
9.1
Embodied Carbon, kg CO2/kg material 13
20
Embodied Energy, MJ/kg 180
320
Embodied Water, L/kg 270
440

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 260
190
Resilience: Unit (Modulus of Resilience), kJ/m3 240
510
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 22
22
Strength to Weight: Axial, points 24
31
Strength to Weight: Bending, points 21
25
Thermal Diffusivity, mm2/s 3.1
3.3
Thermal Shock Resistance, points 21
28

Alloy Composition

Aluminum (Al), % 0 to 0.5
0
Boron (B), % 0 to 0.010
0
Carbon (C), % 0.040 to 0.080
0.32 to 0.42
Chromium (Cr), % 6.0 to 8.0
19 to 21
Cobalt (Co), % 0 to 0.2
40 to 49.8
Copper (Cu), % 0 to 0.35
0
Iron (Fe), % 0 to 5.0
0 to 5.0
Manganese (Mn), % 0 to 1.0
1.0 to 2.0
Molybdenum (Mo), % 15 to 18
3.5 to 4.5
Nickel (Ni), % 64.8 to 79
19 to 21
Niobium (Nb), % 0
3.5 to 4.5
Phosphorus (P), % 0 to 0.015
0 to 0.040
Silicon (Si), % 0 to 1.0
0 to 1.0
Sulfur (S), % 0 to 0.020
0 to 0.030
Tantalum (Ta), % 0
3.5 to 4.5
Tungsten (W), % 0 to 0.5
3.5 to 4.5
Vanadium (V), % 0 to 0.5
0