MakeItFrom.com
Menu (ESC)

R30003 Cobalt vs. EN 2.4889 Nickel

R30003 cobalt belongs to the cobalt alloys classification, while EN 2.4889 nickel belongs to the nickel alloys. They have 51% of their average alloy composition in common. There are 27 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 R30003 cobalt and the bottom bar is EN 2.4889 nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
200
Elongation at Break, % 10 to 73
39
Fatigue Strength, MPa 320 to 560
210
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 83
77
Tensile Strength: Ultimate (UTS), MPa 970 to 1720
720
Tensile Strength: Yield (Proof), MPa 510 to 1090
270

Thermal Properties

Latent Heat of Fusion, J/g 310
350
Melting Completion (Liquidus), °C 1400
1350
Melting Onset (Solidus), °C 1440
1300
Specific Heat Capacity, J/kg-K 450
480
Thermal Conductivity, W/m-K 13
13
Thermal Expansion, µm/m-K 13
14

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.0
1.5
Electrical Conductivity: Equal Weight (Specific), % IACS 2.1
1.6

Otherwise Unclassified Properties

Base Metal Price, % relative 95
42
Density, g/cm3 8.4
8.0
Embodied Carbon, kg CO2/kg material 8.0
6.9
Embodied Energy, MJ/kg 110
98
Embodied Water, L/kg 400
250

Common Calculations

Resilience: Unit (Modulus of Resilience), kJ/m3 600 to 2790
180
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 32 to 57
25
Strength to Weight: Bending, points 26 to 38
22
Thermal Diffusivity, mm2/s 3.3
3.4
Thermal Shock Resistance, points 26 to 45
19

Alloy Composition

Boron (B), % 0 to 0.1
0
Carbon (C), % 0 to 0.15
0.050 to 0.12
Cerium (Ce), % 0
0.030 to 0.090
Chromium (Cr), % 19 to 21
26 to 29
Cobalt (Co), % 39 to 41
0
Copper (Cu), % 0
0 to 0.3
Iron (Fe), % 10 to 20.5
21 to 25
Manganese (Mn), % 1.5 to 2.5
0 to 1.0
Molybdenum (Mo), % 6.0 to 8.0
0
Nickel (Ni), % 14 to 16
45 to 50.4
Phosphorus (P), % 0 to 0.015
0 to 0.020
Silicon (Si), % 0 to 1.2
2.5 to 3.0
Sulfur (S), % 0 to 0.015
0 to 0.010