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Nickel 890 vs. R30006 Cobalt

Nickel 890 belongs to the nickel alloys classification, while R30006 cobalt belongs to the cobalt alloys. They have a modest 31% 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 nickel 890 and the bottom bar is R30006 cobalt.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
220
Elongation at Break, % 39
1.0
Fatigue Strength, MPa 180
260
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 78
85
Tensile Strength: Ultimate (UTS), MPa 590
900
Tensile Strength: Yield (Proof), MPa 230
540

Thermal Properties

Latent Heat of Fusion, J/g 330
320
Melting Completion (Liquidus), °C 1390
1400
Melting Onset (Solidus), °C 1340
1290
Specific Heat Capacity, J/kg-K 480
450
Thermal Expansion, µm/m-K 14
11

Otherwise Unclassified Properties

Density, g/cm3 8.1
8.6
Embodied Carbon, kg CO2/kg material 8.2
7.8
Embodied Energy, MJ/kg 120
110
Embodied Water, L/kg 250
500

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 180
7.8
Resilience: Unit (Modulus of Resilience), kJ/m3 140
670
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 24
23
Strength to Weight: Axial, points 20
29
Strength to Weight: Bending, points 19
24
Thermal Shock Resistance, points 15
26

Alloy Composition

Aluminum (Al), % 0.050 to 0.6
0
Carbon (C), % 0.060 to 0.14
0.9 to 1.4
Chromium (Cr), % 23.5 to 28.5
27 to 32
Cobalt (Co), % 0
48.6 to 68.1
Copper (Cu), % 0 to 0.75
0
Iron (Fe), % 17.3 to 33.9
0 to 3.0
Manganese (Mn), % 0 to 1.5
0
Molybdenum (Mo), % 1.0 to 2.0
0 to 1.0
Nickel (Ni), % 40 to 45
0 to 3.0
Niobium (Nb), % 0.2 to 1.0
0
Silicon (Si), % 1.0 to 2.0
0 to 2.0
Sulfur (S), % 0 to 0.015
0
Tantalum (Ta), % 0.1 to 0.6
0
Titanium (Ti), % 0.15 to 0.6
0
Tungsten (W), % 0
4.0 to 6.0