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Monel K-500 vs. R30016 Cobalt

Monel K-500 belongs to the nickel alloys classification, while R30016 cobalt belongs to the cobalt alloys. There are 27 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 Monel K-500 and the bottom bar is R30016 cobalt.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 160
220
Elongation at Break, % 25 to 36
8.4
Fatigue Strength, MPa 260 to 560
290
Poisson's Ratio 0.32
0.28
Shear Modulus, GPa 61
85
Tensile Strength: Ultimate (UTS), MPa 640 to 1100
1010
Tensile Strength: Yield (Proof), MPa 310 to 880
580

Thermal Properties

Latent Heat of Fusion, J/g 270
320
Melting Completion (Liquidus), °C 1350
1360
Melting Onset (Solidus), °C 1320
1270
Specific Heat Capacity, J/kg-K 440
450
Thermal Conductivity, W/m-K 18
15
Thermal Expansion, µm/m-K 14
14

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.1
1.9
Electrical Conductivity: Equal Weight (Specific), % IACS 3.2
2.0

Otherwise Unclassified Properties

Density, g/cm3 8.7
8.5
Embodied Carbon, kg CO2/kg material 8.1
7.7
Embodied Energy, MJ/kg 120
110
Embodied Water, L/kg 280
500

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 180 to 260
72
Resilience: Unit (Modulus of Resilience), kJ/m3 300 to 2420
770
Stiffness to Weight: Axial, points 10
14
Stiffness to Weight: Bending, points 21
24
Strength to Weight: Axial, points 21 to 35
33
Strength to Weight: Bending, points 19 to 27
26
Thermal Diffusivity, mm2/s 4.8
3.9
Thermal Shock Resistance, points 21 to 36
24

Alloy Composition

Aluminum (Al), % 2.3 to 3.2
0
Carbon (C), % 0 to 0.18
0.9 to 1.4
Chromium (Cr), % 0
28 to 32
Cobalt (Co), % 0
49.6 to 66.9
Copper (Cu), % 27 to 33
0
Iron (Fe), % 0 to 2.0
0 to 3.0
Manganese (Mn), % 0 to 1.5
0.5 to 2.0
Molybdenum (Mo), % 0
0 to 1.5
Nickel (Ni), % 63 to 70.4
0 to 3.0
Silicon (Si), % 0 to 0.5
0.2 to 2.0
Sulfur (S), % 0 to 0.010
0
Titanium (Ti), % 0.35 to 0.85
0
Tungsten (W), % 0
3.5 to 5.5