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N06650 Nickel vs. R30155 Cobalt

N06650 nickel belongs to the nickel alloys classification, while R30155 cobalt belongs to the iron alloys. They have 60% of their average alloy composition in common. There are 26 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 N06650 nickel and the bottom bar is R30155 cobalt.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
210
Elongation at Break, % 50
34
Fatigue Strength, MPa 420
310
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 82
81
Shear Strength, MPa 640
570
Tensile Strength: Ultimate (UTS), MPa 900
850
Tensile Strength: Yield (Proof), MPa 460
390

Thermal Properties

Latent Heat of Fusion, J/g 320
300
Maximum Temperature: Mechanical, °C 980
1100
Melting Completion (Liquidus), °C 1500
1470
Melting Onset (Solidus), °C 1450
1420
Specific Heat Capacity, J/kg-K 440
450
Thermal Expansion, µm/m-K 12
14

Otherwise Unclassified Properties

Base Metal Price, % relative 60
80
Density, g/cm3 8.6
8.5
Embodied Carbon, kg CO2/kg material 10
9.7
Embodied Energy, MJ/kg 140
150
Embodied Water, L/kg 270
300

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 380
230
Resilience: Unit (Modulus of Resilience), kJ/m3 490
370
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 23
23
Strength to Weight: Axial, points 29
28
Strength to Weight: Bending, points 24
24
Thermal Shock Resistance, points 24
21

Alloy Composition

Aluminum (Al), % 0.050 to 0.5
0
Carbon (C), % 0 to 0.030
0.080 to 0.16
Chromium (Cr), % 19 to 21
20 to 22.5
Cobalt (Co), % 0 to 1.0
18.5 to 21
Copper (Cu), % 0 to 0.3
0
Iron (Fe), % 12 to 16
24.3 to 36.2
Manganese (Mn), % 0 to 0.5
1.0 to 2.0
Molybdenum (Mo), % 9.5 to 12.5
2.5 to 3.5
Nickel (Ni), % 44.4 to 58.9
19 to 21
Niobium (Nb), % 0.050 to 0.5
0.75 to 1.3
Nitrogen (N), % 0.050 to 0.2
0 to 0.2
Phosphorus (P), % 0 to 0.020
0 to 0.040
Silicon (Si), % 0 to 0.5
0 to 1.0
Sulfur (S), % 0 to 0.010
0 to 0.030
Tantalum (Ta), % 0
0.75 to 1.3
Tungsten (W), % 0.5 to 2.5
2.0 to 3.0