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G-CoCr28 Cobalt vs. N06219 Nickel

G-CoCr28 cobalt belongs to the cobalt alloys classification, while N06219 nickel belongs to the nickel alloys. They have a modest 27% 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 (3, in this case) are not shown.

For each property being compared, the top bar is G-CoCr28 cobalt and the bottom bar is N06219 nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
200
Elongation at Break, % 6.7
48
Fatigue Strength, MPa 130
270
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 83
79
Tensile Strength: Ultimate (UTS), MPa 560
730
Tensile Strength: Yield (Proof), MPa 260
300

Thermal Properties

Latent Heat of Fusion, J/g 320
330
Maximum Temperature: Mechanical, °C 1200
980
Melting Completion (Liquidus), °C 1330
1430
Melting Onset (Solidus), °C 1270
1380
Specific Heat Capacity, J/kg-K 470
450
Thermal Conductivity, W/m-K 8.5
10
Thermal Expansion, µm/m-K 14
12

Otherwise Unclassified Properties

Base Metal Price, % relative 100
60
Density, g/cm3 8.1
8.5
Embodied Carbon, kg CO2/kg material 6.2
11
Embodied Energy, MJ/kg 84
140
Embodied Water, L/kg 440
290

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 31
280
Resilience: Unit (Modulus of Resilience), kJ/m3 160
230
Stiffness to Weight: Axial, points 15
13
Stiffness to Weight: Bending, points 24
23
Strength to Weight: Axial, points 19
24
Strength to Weight: Bending, points 19
21
Thermal Diffusivity, mm2/s 2.2
2.7
Thermal Shock Resistance, points 14
21

Alloy Composition

Aluminum (Al), % 0
0 to 0.5
Carbon (C), % 0.050 to 0.25
0 to 0.050
Chromium (Cr), % 27 to 30
18 to 22
Cobalt (Co), % 48 to 52
0 to 1.0
Copper (Cu), % 0
0 to 0.5
Iron (Fe), % 9.7 to 24.5
2.0 to 4.0
Manganese (Mn), % 0 to 1.5
0 to 0.5
Molybdenum (Mo), % 0 to 0.5
7.0 to 9.0
Nickel (Ni), % 0 to 4.0
60.8 to 72.3
Niobium (Nb), % 0 to 0.5
0
Phosphorus (P), % 0 to 0.040
0 to 0.020
Silicon (Si), % 0.5 to 1.5
0.7 to 1.1
Sulfur (S), % 0 to 0.030
0 to 0.010
Titanium (Ti), % 0
0 to 0.5