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N06255 Nickel vs. R30008 Cobalt

N06255 nickel belongs to the nickel alloys classification, while R30008 cobalt belongs to the cobalt alloys. They have 58% of their average alloy composition in common. There are 23 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is N06255 nickel and the bottom bar is R30008 cobalt.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
210
Elongation at Break, % 45
1.1 to 73
Fatigue Strength, MPa 210
320 to 530
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 81
83
Tensile Strength: Ultimate (UTS), MPa 660
950 to 1700
Tensile Strength: Yield (Proof), MPa 250
500 to 1080

Thermal Properties

Latent Heat of Fusion, J/g 320
320
Melting Completion (Liquidus), °C 1470
1400
Melting Onset (Solidus), °C 1420
1330
Specific Heat Capacity, J/kg-K 450
450
Thermal Expansion, µm/m-K 13
13

Otherwise Unclassified Properties

Base Metal Price, % relative 55
95
Density, g/cm3 8.5
8.4
Embodied Carbon, kg CO2/kg material 9.4
8.1
Embodied Energy, MJ/kg 130
110
Embodied Water, L/kg 270
400

Common Calculations

Resilience: Unit (Modulus of Resilience), kJ/m3 150
590 to 2720
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 23
24
Strength to Weight: Axial, points 22
31 to 56
Strength to Weight: Bending, points 20
25 to 37
Thermal Shock Resistance, points 17
25 to 44

Alloy Composition

Boron (B), % 0
0 to 0.0010
Carbon (C), % 0 to 0.030
0 to 0.15
Chromium (Cr), % 23 to 26
18.5 to 21.5
Cobalt (Co), % 0
39 to 42
Copper (Cu), % 0 to 1.2
0
Iron (Fe), % 6.0 to 24
7.6 to 20
Manganese (Mn), % 0 to 1.0
1.0 to 2.0
Molybdenum (Mo), % 6.0 to 9.0
6.5 to 7.5
Nickel (Ni), % 47 to 52
15 to 18
Phosphorus (P), % 0 to 0.030
0 to 0.015
Silicon (Si), % 0 to 1.0
0 to 1.2
Sulfur (S), % 0 to 0.030
0 to 0.015
Titanium (Ti), % 0 to 0.69
0
Tungsten (W), % 0 to 3.0
0