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R31538 Cobalt vs. N06035 Nickel

R31538 cobalt belongs to the cobalt alloys classification, while N06035 nickel belongs to the nickel alloys. They have a modest 36% of their average alloy composition in common, which, by itself, doesn't mean much. There are 23 material properties with values for both materials. Properties with values for just one material (9, in this case) are not shown.

For each property being compared, the top bar is R31538 cobalt and the bottom bar is N06035 nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 220
210
Elongation at Break, % 13 to 23
34
Fatigue Strength, MPa 310 to 480
200
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 86
84
Tensile Strength: Ultimate (UTS), MPa 1020 to 1360
660
Tensile Strength: Yield (Proof), MPa 580 to 930
270

Thermal Properties

Latent Heat of Fusion, J/g 320
340
Melting Completion (Liquidus), °C 1360
1440
Melting Onset (Solidus), °C 1290
1390
Specific Heat Capacity, J/kg-K 450
450
Thermal Expansion, µm/m-K 13
13

Otherwise Unclassified Properties

Density, g/cm3 8.4
8.4
Embodied Carbon, kg CO2/kg material 8.1
10
Embodied Energy, MJ/kg 110
140
Embodied Water, L/kg 530
330

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 140 to 200
180
Resilience: Unit (Modulus of Resilience), kJ/m3 750 to 1920
170
Stiffness to Weight: Axial, points 15
14
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 34 to 45
22
Strength to Weight: Bending, points 27 to 32
20
Thermal Shock Resistance, points 25 to 33
17

Alloy Composition

Aluminum (Al), % 0
0 to 0.4
Carbon (C), % 0.15 to 0.35
0 to 0.050
Chromium (Cr), % 26 to 30
32.3 to 34.3
Cobalt (Co), % 58.7 to 68.9
0 to 1.0
Copper (Cu), % 0
0 to 0.3
Iron (Fe), % 0 to 0.75
0 to 2.0
Manganese (Mn), % 0 to 1.0
0 to 0.5
Molybdenum (Mo), % 5.0 to 7.0
7.6 to 9.0
Nickel (Ni), % 0 to 1.0
51.1 to 60.2
Nitrogen (N), % 0 to 0.25
0
Phosphorus (P), % 0
0 to 0.030
Silicon (Si), % 0 to 1.0
0 to 0.6
Sulfur (S), % 0
0 to 0.015
Tungsten (W), % 0
0 to 0.6
Vanadium (V), % 0
0 to 0.2