MakeItFrom.com
Menu (ESC)

R31538 Cobalt vs. N06219 Nickel

R31538 cobalt belongs to the cobalt alloys classification, while N06219 nickel belongs to the nickel alloys. They have a modest 28% 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 (5, in this case) are not shown.

For each property being compared, the top bar is R31538 cobalt and the bottom bar is N06219 nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 220
200
Elongation at Break, % 13 to 23
48
Fatigue Strength, MPa 310 to 480
270
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 86
79
Tensile Strength: Ultimate (UTS), MPa 1020 to 1360
730
Tensile Strength: Yield (Proof), MPa 580 to 930
300

Thermal Properties

Latent Heat of Fusion, J/g 320
330
Melting Completion (Liquidus), °C 1360
1430
Melting Onset (Solidus), °C 1290
1380
Specific Heat Capacity, J/kg-K 450
450
Thermal Conductivity, W/m-K 13
10
Thermal Expansion, µm/m-K 13
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.0
1.3
Electrical Conductivity: Equal Weight (Specific), % IACS 2.1
1.4

Otherwise Unclassified Properties

Density, g/cm3 8.4
8.5
Embodied Carbon, kg CO2/kg material 8.1
11
Embodied Energy, MJ/kg 110
140
Embodied Water, L/kg 530
290

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 140 to 200
280
Resilience: Unit (Modulus of Resilience), kJ/m3 750 to 1920
230
Stiffness to Weight: Axial, points 15
13
Stiffness to Weight: Bending, points 24
23
Strength to Weight: Axial, points 34 to 45
24
Strength to Weight: Bending, points 27 to 32
21
Thermal Diffusivity, mm2/s 3.5
2.7
Thermal Shock Resistance, points 25 to 33
21

Alloy Composition

Aluminum (Al), % 0
0 to 0.5
Carbon (C), % 0.15 to 0.35
0 to 0.050
Chromium (Cr), % 26 to 30
18 to 22
Cobalt (Co), % 58.7 to 68.9
0 to 1.0
Copper (Cu), % 0
0 to 0.5
Iron (Fe), % 0 to 0.75
2.0 to 4.0
Manganese (Mn), % 0 to 1.0
0 to 0.5
Molybdenum (Mo), % 5.0 to 7.0
7.0 to 9.0
Nickel (Ni), % 0 to 1.0
60.8 to 72.3
Nitrogen (N), % 0 to 0.25
0
Phosphorus (P), % 0
0 to 0.020
Silicon (Si), % 0 to 1.0
0.7 to 1.1
Sulfur (S), % 0
0 to 0.010
Titanium (Ti), % 0
0 to 0.5