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R30003 Cobalt vs. N06250 Nickel

R30003 cobalt belongs to the cobalt alloys classification, while N06250 nickel belongs to the nickel alloys. They have 56% of their average alloy composition in common. There are 23 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is R30003 cobalt and the bottom bar is N06250 nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
210
Elongation at Break, % 10 to 73
46
Fatigue Strength, MPa 320 to 560
230
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 83
82
Tensile Strength: Ultimate (UTS), MPa 970 to 1720
710
Tensile Strength: Yield (Proof), MPa 510 to 1090
270

Thermal Properties

Latent Heat of Fusion, J/g 310
320
Melting Completion (Liquidus), °C 1400
1490
Melting Onset (Solidus), °C 1440
1440
Specific Heat Capacity, J/kg-K 450
440
Thermal Expansion, µm/m-K 13
13

Otherwise Unclassified Properties

Base Metal Price, % relative 95
55
Density, g/cm3 8.4
8.6
Embodied Carbon, kg CO2/kg material 8.0
10
Embodied Energy, MJ/kg 110
140
Embodied Water, L/kg 400
270

Common Calculations

Resilience: Unit (Modulus of Resilience), kJ/m3 600 to 2790
170
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 24
23
Strength to Weight: Axial, points 32 to 57
23
Strength to Weight: Bending, points 26 to 38
21
Thermal Shock Resistance, points 26 to 45
19

Alloy Composition

Boron (B), % 0 to 0.1
0
Carbon (C), % 0 to 0.15
0 to 0.020
Chromium (Cr), % 19 to 21
20 to 23
Cobalt (Co), % 39 to 41
0
Copper (Cu), % 0
0.25 to 1.3
Iron (Fe), % 10 to 20.5
7.4 to 19.4
Manganese (Mn), % 1.5 to 2.5
0 to 1.0
Molybdenum (Mo), % 6.0 to 8.0
10.1 to 12
Nickel (Ni), % 14 to 16
50 to 54
Phosphorus (P), % 0 to 0.015
0 to 0.030
Silicon (Si), % 0 to 1.2
0 to 0.090
Sulfur (S), % 0 to 0.015
0 to 0.0050
Tungsten (W), % 0
0.25 to 1.3