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EN 2.4608 Nickel vs. G-CoCr28 Cobalt

EN 2.4608 nickel belongs to the nickel alloys classification, while G-CoCr28 cobalt belongs to the cobalt alloys. They have 49% of their average alloy composition in common. There are 27 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is EN 2.4608 nickel and the bottom bar is G-CoCr28 cobalt.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
210
Elongation at Break, % 34
6.7
Fatigue Strength, MPa 200
130
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 81
83
Tensile Strength: Ultimate (UTS), MPa 620
560
Tensile Strength: Yield (Proof), MPa 270
260

Thermal Properties

Latent Heat of Fusion, J/g 330
320
Maximum Temperature: Mechanical, °C 1000
1200
Melting Completion (Liquidus), °C 1460
1330
Melting Onset (Solidus), °C 1410
1270
Specific Heat Capacity, J/kg-K 460
470
Thermal Conductivity, W/m-K 11
8.5
Thermal Expansion, µm/m-K 13
14

Otherwise Unclassified Properties

Base Metal Price, % relative 55
100
Density, g/cm3 8.5
8.1
Embodied Carbon, kg CO2/kg material 8.4
6.2
Embodied Energy, MJ/kg 120
84
Embodied Water, L/kg 270
440

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 170
31
Resilience: Unit (Modulus of Resilience), kJ/m3 180
160
Stiffness to Weight: Axial, points 14
15
Stiffness to Weight: Bending, points 23
24
Strength to Weight: Axial, points 20
19
Strength to Weight: Bending, points 19
19
Thermal Diffusivity, mm2/s 2.9
2.2
Thermal Shock Resistance, points 16
14

Alloy Composition

Carbon (C), % 0.030 to 0.080
0.050 to 0.25
Chromium (Cr), % 24 to 26
27 to 30
Cobalt (Co), % 2.5 to 4.0
48 to 52
Iron (Fe), % 11.4 to 23.8
9.7 to 24.5
Manganese (Mn), % 0 to 2.0
0 to 1.5
Molybdenum (Mo), % 2.5 to 4.0
0 to 0.5
Nickel (Ni), % 44 to 47
0 to 4.0
Niobium (Nb), % 0
0 to 0.5
Phosphorus (P), % 0 to 0.030
0 to 0.040
Silicon (Si), % 0.7 to 1.5
0.5 to 1.5
Sulfur (S), % 0 to 0.015
0 to 0.030
Tungsten (W), % 2.5 to 4.0
0