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EN 2.4650 Nickel vs. R30001 Cobalt

EN 2.4650 nickel belongs to the nickel alloys classification, while R30001 cobalt belongs to the cobalt alloys. They have 43% of their average alloy composition in common. There are 23 material properties with values for both materials. Properties with values for just one material (9, in this case) are not shown.

For each property being compared, the top bar is EN 2.4650 nickel and the bottom bar is R30001 cobalt.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
220
Elongation at Break, % 34
1.0
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 80
86
Tensile Strength: Ultimate (UTS), MPa 1090
620

Thermal Properties

Latent Heat of Fusion, J/g 320
310
Melting Completion (Liquidus), °C 1400
1530
Melting Onset (Solidus), °C 1350
1260
Specific Heat Capacity, J/kg-K 450
430
Thermal Conductivity, W/m-K 12
15
Thermal Expansion, µm/m-K 11
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.5
1.8
Electrical Conductivity: Equal Weight (Specific), % IACS 1.6
1.8

Otherwise Unclassified Properties

Density, g/cm3 8.5
9.0
Embodied Carbon, kg CO2/kg material 10
8.9
Embodied Energy, MJ/kg 140
130
Embodied Water, L/kg 360
460

Common Calculations

Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 23
22
Strength to Weight: Axial, points 36
19
Strength to Weight: Bending, points 28
18
Thermal Diffusivity, mm2/s 3.1
3.7
Thermal Shock Resistance, points 33
19

Alloy Composition

Aluminum (Al), % 0.3 to 0.6
0
Boron (B), % 0 to 0.0050
0
Carbon (C), % 0.040 to 0.080
2.0 to 3.0
Chromium (Cr), % 19 to 21
28 to 32
Cobalt (Co), % 19 to 21
43 to 59
Copper (Cu), % 0 to 0.2
0
Iron (Fe), % 0 to 0.7
0 to 3.0
Manganese (Mn), % 0 to 0.6
0
Molybdenum (Mo), % 5.6 to 6.1
0 to 1.0
Nickel (Ni), % 46.9 to 54.2
0 to 3.0
Phosphorus (P), % 0 to 0.020
0
Silicon (Si), % 0 to 0.4
0 to 2.0
Sulfur (S), % 0 to 0.0070
0
Titanium (Ti), % 1.9 to 2.4
0
Tungsten (W), % 0
11 to 13