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G-CoCr28 Cobalt vs. N06058 Nickel

G-CoCr28 cobalt belongs to the cobalt alloys classification, while N06058 nickel belongs to the nickel alloys. They have a modest 25% of their average alloy composition in common, which, by itself, doesn't mean much. There are 27 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.

For each property being compared, the top bar is G-CoCr28 cobalt and the bottom bar is N06058 nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
220
Elongation at Break, % 6.7
45
Fatigue Strength, MPa 130
350
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 83
86
Tensile Strength: Ultimate (UTS), MPa 560
860
Tensile Strength: Yield (Proof), MPa 260
410

Thermal Properties

Latent Heat of Fusion, J/g 320
330
Maximum Temperature: Mechanical, °C 1200
980
Melting Completion (Liquidus), °C 1330
1540
Melting Onset (Solidus), °C 1270
1490
Specific Heat Capacity, J/kg-K 470
420
Thermal Conductivity, W/m-K 8.5
9.8
Thermal Expansion, µm/m-K 14
12

Otherwise Unclassified Properties

Base Metal Price, % relative 100
70
Density, g/cm3 8.1
8.8
Embodied Carbon, kg CO2/kg material 6.2
13
Embodied Energy, MJ/kg 84
170
Embodied Water, L/kg 440
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 31
320
Resilience: Unit (Modulus of Resilience), kJ/m3 160
370
Stiffness to Weight: Axial, points 15
14
Stiffness to Weight: Bending, points 24
23
Strength to Weight: Axial, points 19
27
Strength to Weight: Bending, points 19
23
Thermal Diffusivity, mm2/s 2.2
2.6
Thermal Shock Resistance, points 14
23

Alloy Composition

Aluminum (Al), % 0
0 to 0.4
Carbon (C), % 0.050 to 0.25
0 to 0.010
Chromium (Cr), % 27 to 30
20 to 23
Cobalt (Co), % 48 to 52
0 to 0.3
Copper (Cu), % 0
0 to 0.5
Iron (Fe), % 9.7 to 24.5
0 to 1.5
Manganese (Mn), % 0 to 1.5
0 to 0.5
Molybdenum (Mo), % 0 to 0.5
19 to 21
Nickel (Ni), % 0 to 4.0
52.2 to 61
Niobium (Nb), % 0 to 0.5
0
Nitrogen (N), % 0
0.020 to 0.15
Phosphorus (P), % 0 to 0.040
0 to 0.015
Silicon (Si), % 0.5 to 1.5
0 to 0.1
Sulfur (S), % 0 to 0.030
0 to 0.010
Tungsten (W), % 0
0 to 0.3