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N07776 Nickel vs. R30605 Cobalt

N07776 nickel belongs to the nickel alloys classification, while R30605 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 21 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 N07776 nickel and the bottom bar is R30605 cobalt.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
210
Elongation at Break, % 39
34
Fatigue Strength, MPa 220
260 to 590
Poisson's Ratio 0.3
0.29
Shear Modulus, GPa 79
81
Tensile Strength: Ultimate (UTS), MPa 700
1130 to 1900
Tensile Strength: Yield (Proof), MPa 270
470 to 1600

Thermal Properties

Latent Heat of Fusion, J/g 320
290
Melting Completion (Liquidus), °C 1550
1410
Melting Onset (Solidus), °C 1500
1330
Specific Heat Capacity, J/kg-K 430
410
Thermal Expansion, µm/m-K 12
12

Otherwise Unclassified Properties

Density, g/cm3 8.6
9.6
Embodied Carbon, kg CO2/kg material 15
9.8
Embodied Energy, MJ/kg 210
140
Embodied Water, L/kg 270
450

Common Calculations

Stiffness to Weight: Axial, points 13
12
Stiffness to Weight: Bending, points 23
21
Strength to Weight: Axial, points 22
33 to 55
Strength to Weight: Bending, points 20
25 to 36
Thermal Shock Resistance, points 20
31 to 52

Alloy Composition

Aluminum (Al), % 0 to 2.0
0
Carbon (C), % 0 to 0.030
0.050 to 0.15
Chromium (Cr), % 12 to 22
19 to 21
Cobalt (Co), % 0
46.4 to 57
Iron (Fe), % 0 to 24.5
0 to 3.0
Manganese (Mn), % 0 to 1.0
1.0 to 2.0
Molybdenum (Mo), % 9.0 to 15
0
Nickel (Ni), % 50 to 60
9.0 to 11
Niobium (Nb), % 4.0 to 6.0
0
Phosphorus (P), % 0 to 0.030
0 to 0.040
Silicon (Si), % 0 to 0.5
0 to 0.4
Sulfur (S), % 0 to 0.010
0 to 0.030
Titanium (Ti), % 0 to 1.0
0
Tungsten (W), % 0.5 to 2.5
14 to 16