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EN 2.4669 Nickel vs. R30155 Cobalt

EN 2.4669 nickel belongs to the nickel alloys classification, while R30155 cobalt belongs to the iron alloys. They have 45% of their average alloy composition in common. There are 29 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 EN 2.4669 nickel and the bottom bar is R30155 cobalt.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
210
Elongation at Break, % 16
34
Fatigue Strength, MPa 390
310
Poisson's Ratio 0.29
0.29
Reduction in Area, % 31
34
Shear Modulus, GPa 73
81
Shear Strength, MPa 680
570
Tensile Strength: Ultimate (UTS), MPa 1110
850
Tensile Strength: Yield (Proof), MPa 720
390

Thermal Properties

Latent Heat of Fusion, J/g 310
300
Maximum Temperature: Mechanical, °C 960
1100
Melting Completion (Liquidus), °C 1380
1470
Melting Onset (Solidus), °C 1330
1420
Specific Heat Capacity, J/kg-K 460
450
Thermal Conductivity, W/m-K 12
12
Thermal Expansion, µm/m-K 13
14

Otherwise Unclassified Properties

Base Metal Price, % relative 60
80
Density, g/cm3 8.4
8.5
Embodied Carbon, kg CO2/kg material 10
9.7
Embodied Energy, MJ/kg 150
150
Embodied Water, L/kg 260
300

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 160
230
Resilience: Unit (Modulus of Resilience), kJ/m3 1380
370
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 23
23
Strength to Weight: Axial, points 37
28
Strength to Weight: Bending, points 28
24
Thermal Diffusivity, mm2/s 3.1
3.2
Thermal Shock Resistance, points 33
21

Alloy Composition

Aluminum (Al), % 0.4 to 1.0
0
Carbon (C), % 0 to 0.080
0.080 to 0.16
Chromium (Cr), % 14 to 17
20 to 22.5
Cobalt (Co), % 0 to 1.0
18.5 to 21
Copper (Cu), % 0 to 0.5
0
Iron (Fe), % 5.0 to 9.0
24.3 to 36.2
Manganese (Mn), % 0 to 1.0
1.0 to 2.0
Molybdenum (Mo), % 0
2.5 to 3.5
Nickel (Ni), % 65.9 to 77.7
19 to 21
Niobium (Nb), % 0.7 to 1.2
0.75 to 1.3
Nitrogen (N), % 0
0 to 0.2
Phosphorus (P), % 0 to 0.020
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
0.75 to 1.3
Titanium (Ti), % 2.3 to 2.8
0
Tungsten (W), % 0
2.0 to 3.0