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R30001 Cobalt vs. Nickel 890

R30001 cobalt belongs to the cobalt alloys classification, while nickel 890 belongs to the nickel alloys. They have a modest 31% of their average alloy composition in common, which, by itself, doesn't mean much. There are 19 material properties with values for both materials. Properties with values for just one material (13, in this case) are not shown.

For each property being compared, the top bar is R30001 cobalt and the bottom bar is nickel 890.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 220
200
Elongation at Break, % 1.0
39
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 86
78
Tensile Strength: Ultimate (UTS), MPa 620
590

Thermal Properties

Latent Heat of Fusion, J/g 310
330
Melting Completion (Liquidus), °C 1530
1390
Melting Onset (Solidus), °C 1260
1340
Specific Heat Capacity, J/kg-K 430
480
Thermal Expansion, µm/m-K 11
14

Otherwise Unclassified Properties

Density, g/cm3 9.0
8.1
Embodied Carbon, kg CO2/kg material 8.9
8.2
Embodied Energy, MJ/kg 130
120
Embodied Water, L/kg 460
250

Common Calculations

Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 22
24
Strength to Weight: Axial, points 19
20
Strength to Weight: Bending, points 18
19
Thermal Shock Resistance, points 19
15

Alloy Composition

Aluminum (Al), % 0
0.050 to 0.6
Carbon (C), % 2.0 to 3.0
0.060 to 0.14
Chromium (Cr), % 28 to 32
23.5 to 28.5
Cobalt (Co), % 43 to 59
0
Copper (Cu), % 0
0 to 0.75
Iron (Fe), % 0 to 3.0
17.3 to 33.9
Manganese (Mn), % 0
0 to 1.5
Molybdenum (Mo), % 0 to 1.0
1.0 to 2.0
Nickel (Ni), % 0 to 3.0
40 to 45
Niobium (Nb), % 0
0.2 to 1.0
Silicon (Si), % 0 to 2.0
1.0 to 2.0
Sulfur (S), % 0
0 to 0.015
Tantalum (Ta), % 0
0.1 to 0.6
Titanium (Ti), % 0
0.15 to 0.6
Tungsten (W), % 11 to 13
0