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N07716 Nickel vs. R30003 Cobalt

N07716 nickel belongs to the nickel alloys classification, while R30003 cobalt belongs to the cobalt alloys. They have 48% of their average alloy composition in common. There are 27 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is N07716 nickel and the bottom bar is R30003 cobalt.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
210
Elongation at Break, % 34
10 to 73
Fatigue Strength, MPa 690
320 to 560
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 78
83
Tensile Strength: Ultimate (UTS), MPa 860
970 to 1720
Tensile Strength: Yield (Proof), MPa 350
510 to 1090

Thermal Properties

Latent Heat of Fusion, J/g 320
310
Melting Completion (Liquidus), °C 1480
1400
Melting Onset (Solidus), °C 1430
1440
Specific Heat Capacity, J/kg-K 440
450
Thermal Conductivity, W/m-K 11
13
Thermal Expansion, µm/m-K 13
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.4
2.0
Electrical Conductivity: Equal Weight (Specific), % IACS 1.5
2.1

Otherwise Unclassified Properties

Base Metal Price, % relative 75
95
Density, g/cm3 8.5
8.4
Embodied Carbon, kg CO2/kg material 13
8.0
Embodied Energy, MJ/kg 190
110
Embodied Water, L/kg 280
400

Common Calculations

Resilience: Unit (Modulus of Resilience), kJ/m3 300
600 to 2790
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 23
24
Strength to Weight: Axial, points 28
32 to 57
Strength to Weight: Bending, points 24
26 to 38
Thermal Diffusivity, mm2/s 2.8
3.3
Thermal Shock Resistance, points 24
26 to 45

Alloy Composition

Aluminum (Al), % 0 to 0.35
0
Boron (B), % 0
0 to 0.1
Carbon (C), % 0 to 0.030
0 to 0.15
Chromium (Cr), % 19 to 22
19 to 21
Cobalt (Co), % 0
39 to 41
Iron (Fe), % 0 to 11.3
10 to 20.5
Manganese (Mn), % 0 to 0.2
1.5 to 2.5
Molybdenum (Mo), % 7.0 to 9.5
6.0 to 8.0
Nickel (Ni), % 59 to 63
14 to 16
Niobium (Nb), % 2.8 to 4.0
0
Phosphorus (P), % 0 to 0.015
0 to 0.015
Silicon (Si), % 0 to 0.2
0 to 1.2
Sulfur (S), % 0 to 0.010
0 to 0.015
Titanium (Ti), % 1.0 to 1.6
0