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EN 2.4964 Cobalt vs. EN 1.8522 Steel

EN 2.4964 cobalt belongs to the cobalt alloys classification, while EN 1.8522 steel belongs to the iron alloys. There are 22 material properties with values for both materials. Properties with values for just one material (9, in this case) are not shown.

For each property being compared, the top bar is EN 2.4964 cobalt and the bottom bar is EN 1.8522 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 220
190
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 86
74
Tensile Strength: Ultimate (UTS), MPa 960
730 to 1250

Thermal Properties

Latent Heat of Fusion, J/g 290
260
Melting Completion (Liquidus), °C 1630
1460
Melting Onset (Solidus), °C 1550
1420
Specific Heat Capacity, J/kg-K 400
470
Thermal Conductivity, W/m-K 15
39
Thermal Expansion, µm/m-K 12
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.9
7.8
Electrical Conductivity: Equal Weight (Specific), % IACS 1.8
8.9

Otherwise Unclassified Properties

Density, g/cm3 9.6
7.8
Embodied Carbon, kg CO2/kg material 9.8
2.2
Embodied Energy, MJ/kg 140
31
Embodied Water, L/kg 450
63

Common Calculations

Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 21
24
Strength to Weight: Axial, points 28
26 to 44
Strength to Weight: Bending, points 23
23 to 33
Thermal Diffusivity, mm2/s 3.9
11
Thermal Shock Resistance, points 25
21 to 36

Alloy Composition

Carbon (C), % 0.050 to 0.15
0.29 to 0.36
Chromium (Cr), % 19 to 21
2.8 to 3.3
Cobalt (Co), % 46.4 to 58
0
Copper (Cu), % 0
0 to 0.1
Iron (Fe), % 0 to 3.0
93.7 to 96
Manganese (Mn), % 0 to 2.0
0.4 to 0.7
Molybdenum (Mo), % 0
0.7 to 1.2
Nickel (Ni), % 9.0 to 11
0 to 0.3
Phosphorus (P), % 0 to 0.020
0 to 0.025
Silicon (Si), % 0 to 0.4
0 to 0.4
Sulfur (S), % 0 to 0.015
0 to 0.035
Tungsten (W), % 14 to 16
0
Vanadium (V), % 0
0.15 to 0.25