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R30035 Cobalt vs. EN 2.4879 Cast Nickel

R30035 cobalt belongs to the cobalt alloys classification, while EN 2.4879 cast nickel belongs to the nickel alloys. They have 56% of their average alloy composition in common. There are 26 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is R30035 cobalt and the bottom bar is EN 2.4879 cast nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 220 to 230
200
Elongation at Break, % 9.0 to 46
3.4
Fatigue Strength, MPa 170 to 740
110
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 84 to 89
80
Tensile Strength: Ultimate (UTS), MPa 900 to 1900
490
Tensile Strength: Yield (Proof), MPa 300 to 1650
270

Thermal Properties

Latent Heat of Fusion, J/g 320
330
Melting Completion (Liquidus), °C 1440
1450
Melting Onset (Solidus), °C 1320
1400
Specific Heat Capacity, J/kg-K 440
460
Thermal Conductivity, W/m-K 11
11
Thermal Expansion, µm/m-K 13
13

Otherwise Unclassified Properties

Base Metal Price, % relative 100
55
Density, g/cm3 8.7
8.5
Embodied Carbon, kg CO2/kg material 10
8.3
Embodied Energy, MJ/kg 140
120
Embodied Water, L/kg 410
270

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 160 to 320
14
Resilience: Unit (Modulus of Resilience), kJ/m3 210 to 5920
180
Stiffness to Weight: Axial, points 14 to 15
13
Stiffness to Weight: Bending, points 23 to 24
23
Strength to Weight: Axial, points 29 to 61
16
Strength to Weight: Bending, points 24 to 39
16
Thermal Diffusivity, mm2/s 3.0
2.8
Thermal Shock Resistance, points 23 to 46
13

Alloy Composition

Boron (B), % 0 to 0.015
0
Carbon (C), % 0 to 0.025
0.35 to 0.55
Chromium (Cr), % 19 to 21
27 to 30
Cobalt (Co), % 29.1 to 39
0
Iron (Fe), % 0 to 1.0
9.4 to 20.7
Manganese (Mn), % 0 to 0.15
0 to 1.5
Molybdenum (Mo), % 9.0 to 10.5
0 to 0.5
Nickel (Ni), % 33 to 37
47 to 50
Phosphorus (P), % 0 to 0.015
0 to 0.040
Silicon (Si), % 0 to 0.15
1.0 to 2.0
Sulfur (S), % 0 to 0.010
0 to 0.030
Titanium (Ti), % 0 to 1.0
0
Tungsten (W), % 0
4.0 to 6.0