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EN 2.4878 Nickel vs. R30008 Cobalt

EN 2.4878 nickel belongs to the nickel alloys classification, while R30008 cobalt belongs to the cobalt alloys. They have 59% of their average alloy composition in common. There are 23 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 2.4878 nickel and the bottom bar is R30008 cobalt.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
210
Elongation at Break, % 13 to 17
1.1 to 73
Fatigue Strength, MPa 400 to 410
320 to 530
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 78
83
Tensile Strength: Ultimate (UTS), MPa 1210 to 1250
950 to 1700
Tensile Strength: Yield (Proof), MPa 740 to 780
500 to 1080

Thermal Properties

Latent Heat of Fusion, J/g 330
320
Melting Completion (Liquidus), °C 1370
1400
Melting Onset (Solidus), °C 1320
1330
Specific Heat Capacity, J/kg-K 460
450
Thermal Expansion, µm/m-K 12
13

Otherwise Unclassified Properties

Base Metal Price, % relative 80
95
Density, g/cm3 8.3
8.4
Embodied Carbon, kg CO2/kg material 10
8.1
Embodied Energy, MJ/kg 150
110
Embodied Water, L/kg 370
400

Common Calculations

Resilience: Unit (Modulus of Resilience), kJ/m3 1370 to 1540
590 to 2720
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 41 to 42
31 to 56
Strength to Weight: Bending, points 31
25 to 37
Thermal Shock Resistance, points 37 to 39
25 to 44

Alloy Composition

Aluminum (Al), % 1.2 to 1.6
0
Boron (B), % 0.010 to 0.015
0 to 0.0010
Carbon (C), % 0.030 to 0.070
0 to 0.15
Chromium (Cr), % 23 to 25
18.5 to 21.5
Cobalt (Co), % 19 to 21
39 to 42
Copper (Cu), % 0 to 0.2
0
Iron (Fe), % 0 to 1.0
7.6 to 20
Manganese (Mn), % 0 to 0.5
1.0 to 2.0
Molybdenum (Mo), % 1.0 to 2.0
6.5 to 7.5
Nickel (Ni), % 43.6 to 52.2
15 to 18
Niobium (Nb), % 0.7 to 1.2
0
Phosphorus (P), % 0 to 0.010
0 to 0.015
Silicon (Si), % 0 to 0.5
0 to 1.2
Sulfur (S), % 0 to 0.0070
0 to 0.015
Tantalum (Ta), % 0 to 0.050
0
Titanium (Ti), % 2.8 to 3.2
0
Zirconium (Zr), % 0.030 to 0.070
0

Comparable Variants