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R30001 Cobalt vs. Nickel 333

R30001 cobalt belongs to the cobalt alloys classification, while nickel 333 belongs to the nickel alloys. They have a modest 36% of their average alloy composition in common, which, by itself, doesn't mean much. There are 23 material properties with values for both materials. Properties with values for just one material (10, in this case) are not shown.

For each property being compared, the top bar is R30001 cobalt and the bottom bar is nickel 333.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 220
210
Elongation at Break, % 1.0
34
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 86
81
Tensile Strength: Ultimate (UTS), MPa 620
630

Thermal Properties

Latent Heat of Fusion, J/g 310
320
Melting Completion (Liquidus), °C 1530
1460
Melting Onset (Solidus), °C 1260
1410
Specific Heat Capacity, J/kg-K 430
450
Thermal Conductivity, W/m-K 15
11
Thermal Expansion, µm/m-K 11
13

Electrical Properties

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

Otherwise Unclassified Properties

Density, g/cm3 9.0
8.5
Embodied Carbon, kg CO2/kg material 8.9
8.5
Embodied Energy, MJ/kg 130
120
Embodied Water, L/kg 460
270

Common Calculations

Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 22
23
Strength to Weight: Axial, points 19
21
Strength to Weight: Bending, points 18
19
Thermal Diffusivity, mm2/s 3.7
2.9
Thermal Shock Resistance, points 19
16

Alloy Composition

Carbon (C), % 2.0 to 3.0
0 to 0.1
Chromium (Cr), % 28 to 32
24 to 27
Cobalt (Co), % 43 to 59
2.5 to 4.0
Iron (Fe), % 0 to 3.0
9.3 to 24.5
Manganese (Mn), % 0
0 to 2.0
Molybdenum (Mo), % 0 to 1.0
2.5 to 4.0
Nickel (Ni), % 0 to 3.0
44 to 48
Phosphorus (P), % 0
0 to 0.030
Silicon (Si), % 0 to 2.0
0 to 1.5
Sulfur (S), % 0
0 to 0.030
Tungsten (W), % 11 to 13
2.5 to 4.0