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R30006 Cobalt vs. Monel 400

R30006 cobalt belongs to the cobalt alloys classification, while Monel 400 belongs to the nickel alloys. There are 28 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is R30006 cobalt and the bottom bar is Monel 400.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 220
160
Elongation at Break, % 1.0
20 to 40
Fatigue Strength, MPa 260
230 to 290
Poisson's Ratio 0.28
0.32
Shear Modulus, GPa 85
62
Tensile Strength: Ultimate (UTS), MPa 900
540 to 780
Tensile Strength: Yield (Proof), MPa 540
210 to 590

Thermal Properties

Latent Heat of Fusion, J/g 320
270
Melting Completion (Liquidus), °C 1400
1350
Melting Onset (Solidus), °C 1290
1300
Specific Heat Capacity, J/kg-K 450
430
Thermal Conductivity, W/m-K 15
23
Thermal Expansion, µm/m-K 11
14

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.6
3.3
Electrical Conductivity: Equal Weight (Specific), % IACS 1.7
3.4

Otherwise Unclassified Properties

Calomel Potential, mV -250
-80
Density, g/cm3 8.6
8.9
Embodied Carbon, kg CO2/kg material 7.8
7.9
Embodied Energy, MJ/kg 110
110
Embodied Water, L/kg 500
250

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 7.8
140 to 180
Resilience: Unit (Modulus of Resilience), kJ/m3 670
140 to 1080
Stiffness to Weight: Axial, points 14
10
Stiffness to Weight: Bending, points 23
21
Strength to Weight: Axial, points 29
17 to 25
Strength to Weight: Bending, points 24
17 to 21
Thermal Diffusivity, mm2/s 3.9
6.1
Thermal Shock Resistance, points 26
17 to 25

Alloy Composition

Carbon (C), % 0.9 to 1.4
0 to 0.3
Chromium (Cr), % 27 to 32
0
Cobalt (Co), % 48.6 to 68.1
0
Copper (Cu), % 0
28 to 34
Iron (Fe), % 0 to 3.0
0 to 2.5
Manganese (Mn), % 0
0 to 2.0
Molybdenum (Mo), % 0 to 1.0
0
Nickel (Ni), % 0 to 3.0
63 to 72
Silicon (Si), % 0 to 2.0
0 to 0.5
Sulfur (S), % 0
0 to 0.024
Tungsten (W), % 4.0 to 6.0
0