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R30605 Cobalt vs. Nickel 601

R30605 cobalt belongs to the cobalt alloys classification, while nickel 601 belongs to the nickel alloys. They have a modest 32% 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 (6, in this case) are not shown.

For each property being compared, the top bar is R30605 cobalt and the bottom bar is nickel 601.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
200
Elongation at Break, % 34
10 to 38
Fatigue Strength, MPa 260 to 590
220 to 380
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 81
76
Tensile Strength: Ultimate (UTS), MPa 1130 to 1900
660 to 890
Tensile Strength: Yield (Proof), MPa 470 to 1600
290 to 800

Thermal Properties

Latent Heat of Fusion, J/g 290
320
Melting Completion (Liquidus), °C 1410
1410
Melting Onset (Solidus), °C 1330
1360
Specific Heat Capacity, J/kg-K 410
470
Thermal Conductivity, W/m-K 9.6
11
Thermal Expansion, µm/m-K 12
14

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.0
1.5
Electrical Conductivity: Equal Weight (Specific), % IACS 1.8
1.6

Otherwise Unclassified Properties

Density, g/cm3 9.6
8.3
Embodied Carbon, kg CO2/kg material 9.8
8.0
Embodied Energy, MJ/kg 140
110
Embodied Water, L/kg 450
280

Common Calculations

Stiffness to Weight: Axial, points 12
13
Stiffness to Weight: Bending, points 21
23
Strength to Weight: Axial, points 33 to 55
22 to 30
Strength to Weight: Bending, points 25 to 36
20 to 25
Thermal Diffusivity, mm2/s 2.5
2.8
Thermal Shock Resistance, points 31 to 52
17 to 23

Alloy Composition

Aluminum (Al), % 0
1.0 to 1.7
Carbon (C), % 0.050 to 0.15
0 to 0.1
Chromium (Cr), % 19 to 21
21 to 25
Cobalt (Co), % 46.4 to 57
0
Copper (Cu), % 0
0 to 1.0
Iron (Fe), % 0 to 3.0
7.7 to 20
Manganese (Mn), % 1.0 to 2.0
0 to 1.0
Nickel (Ni), % 9.0 to 11
58 to 63
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