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EN 2.4816 Nickel vs. R30155 Cobalt

EN 2.4816 nickel belongs to the nickel alloys classification, while R30155 cobalt belongs to the iron alloys. They have 44% of their average alloy composition in common. There are 29 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is EN 2.4816 nickel and the bottom bar is R30155 cobalt.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 170
220
Elastic (Young's, Tensile) Modulus, GPa 190
210
Elongation at Break, % 34
34
Fatigue Strength, MPa 200
310
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 74
81
Shear Strength, MPa 470
570
Tensile Strength: Ultimate (UTS), MPa 700
850
Tensile Strength: Yield (Proof), MPa 270
390

Thermal Properties

Latent Heat of Fusion, J/g 310
300
Maximum Temperature: Mechanical, °C 1150
1100
Melting Completion (Liquidus), °C 1370
1470
Melting Onset (Solidus), °C 1320
1420
Specific Heat Capacity, J/kg-K 460
450
Thermal Conductivity, W/m-K 15
12
Thermal Expansion, µm/m-K 13
14

Otherwise Unclassified Properties

Base Metal Price, % relative 55
80
Density, g/cm3 8.5
8.5
Embodied Carbon, kg CO2/kg material 9.0
9.7
Embodied Energy, MJ/kg 130
150
Embodied Water, L/kg 260
300

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 190
230
Resilience: Unit (Modulus of Resilience), kJ/m3 190
370
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 23
23
Strength to Weight: Axial, points 23
28
Strength to Weight: Bending, points 21
24
Thermal Diffusivity, mm2/s 3.8
3.2
Thermal Shock Resistance, points 20
21

Alloy Composition

Aluminum (Al), % 0 to 0.3
0
Carbon (C), % 0.050 to 0.1
0.080 to 0.16
Chromium (Cr), % 14 to 17
20 to 22.5
Cobalt (Co), % 0
18.5 to 21
Copper (Cu), % 0 to 0.5
0
Iron (Fe), % 6.0 to 10
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), % 72 to 80
19 to 21
Niobium (Nb), % 0
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), % 0 to 0.3
0
Tungsten (W), % 0
2.0 to 3.0