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R30605 Cobalt vs. Nickel 600

R30605 cobalt belongs to the cobalt alloys classification, while nickel 600 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 25 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is R30605 cobalt and the bottom bar is nickel 600.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
190
Elongation at Break, % 34
3.4 to 35
Fatigue Strength, MPa 260 to 590
220 to 300
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 81
75
Tensile Strength: Ultimate (UTS), MPa 1130 to 1900
650 to 990
Tensile Strength: Yield (Proof), MPa 470 to 1600
270 to 760

Thermal Properties

Latent Heat of Fusion, J/g 290
310
Melting Completion (Liquidus), °C 1410
1410
Melting Onset (Solidus), °C 1330
1350
Specific Heat Capacity, J/kg-K 410
460
Thermal Conductivity, W/m-K 9.6
14
Thermal Expansion, µm/m-K 12
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.0
1.7
Electrical Conductivity: Equal Weight (Specific), % IACS 1.8
1.8

Otherwise Unclassified Properties

Density, g/cm3 9.6
8.5
Embodied Carbon, kg CO2/kg material 9.8
9.0
Embodied Energy, MJ/kg 140
130
Embodied Water, L/kg 450
250

Common Calculations

Stiffness to Weight: Axial, points 12
13
Stiffness to Weight: Bending, points 21
23
Strength to Weight: Axial, points 33 to 55
21 to 32
Strength to Weight: Bending, points 25 to 36
20 to 26
Thermal Diffusivity, mm2/s 2.5
3.6
Thermal Shock Resistance, points 31 to 52
19 to 29

Alloy Composition

Carbon (C), % 0.050 to 0.15
0 to 0.15
Chromium (Cr), % 19 to 21
14 to 17
Cobalt (Co), % 46.4 to 57
0
Copper (Cu), % 0
0 to 0.5
Iron (Fe), % 0 to 3.0
6.0 to 10
Manganese (Mn), % 1.0 to 2.0
0 to 1.0
Nickel (Ni), % 9.0 to 11
72 to 80
Phosphorus (P), % 0 to 0.040
0
Silicon (Si), % 0 to 0.4
0 to 0.5
Sulfur (S), % 0 to 0.030
0 to 0.015
Tungsten (W), % 14 to 16
0

Comparable Variants