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Nickel 601 vs. R30816 Cobalt

Nickel 601 belongs to the nickel alloys classification, while R30816 cobalt belongs to the cobalt alloys. They have 43% of their average alloy composition in common. There are 25 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.

For each property being compared, the top bar is nickel 601 and the bottom bar is R30816 cobalt.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
210
Elongation at Break, % 10 to 38
23
Fatigue Strength, MPa 220 to 380
250
Poisson's Ratio 0.28
0.3
Shear Modulus, GPa 76
81
Tensile Strength: Ultimate (UTS), MPa 660 to 890
1020
Tensile Strength: Yield (Proof), MPa 290 to 800
460

Thermal Properties

Latent Heat of Fusion, J/g 320
300
Melting Completion (Liquidus), °C 1410
1540
Melting Onset (Solidus), °C 1360
1460
Specific Heat Capacity, J/kg-K 470
420
Thermal Conductivity, W/m-K 11
13
Thermal Expansion, µm/m-K 14
12

Otherwise Unclassified Properties

Density, g/cm3 8.3
9.1
Embodied Carbon, kg CO2/kg material 8.0
20
Embodied Energy, MJ/kg 110
320
Embodied Water, L/kg 280
440

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 86 to 200
190
Resilience: Unit (Modulus of Resilience), kJ/m3 210 to 1630
510
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 23
22
Strength to Weight: Axial, points 22 to 30
31
Strength to Weight: Bending, points 20 to 25
25
Thermal Diffusivity, mm2/s 2.8
3.3
Thermal Shock Resistance, points 17 to 23
28

Alloy Composition

Aluminum (Al), % 1.0 to 1.7
0
Carbon (C), % 0 to 0.1
0.32 to 0.42
Chromium (Cr), % 21 to 25
19 to 21
Cobalt (Co), % 0
40 to 49.8
Copper (Cu), % 0 to 1.0
0
Iron (Fe), % 7.7 to 20
0 to 5.0
Manganese (Mn), % 0 to 1.0
1.0 to 2.0
Molybdenum (Mo), % 0
3.5 to 4.5
Nickel (Ni), % 58 to 63
19 to 21
Niobium (Nb), % 0
3.5 to 4.5
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 0 to 0.5
0 to 1.0
Sulfur (S), % 0 to 0.015
0 to 0.030
Tantalum (Ta), % 0
3.5 to 4.5
Tungsten (W), % 0
3.5 to 4.5