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EN 2.4964 Cobalt vs. EN 1.5663 Steel

EN 2.4964 cobalt belongs to the cobalt alloys classification, while EN 1.5663 steel belongs to the iron alloys. There are 25 material properties with values for both materials. Properties with values for just one material (7, 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 1.5663 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 220
190
Elongation at Break, % 40
20
Fatigue Strength, MPa 220
450
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 86
73
Tensile Strength: Ultimate (UTS), MPa 960
750
Tensile Strength: Yield (Proof), MPa 390
660

Thermal Properties

Latent Heat of Fusion, J/g 290
250
Melting Completion (Liquidus), °C 1630
1460
Melting Onset (Solidus), °C 1550
1410
Specific Heat Capacity, J/kg-K 400
470
Thermal Expansion, µm/m-K 12
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.9
8.7
Electrical Conductivity: Equal Weight (Specific), % IACS 1.8
9.8

Otherwise Unclassified Properties

Density, g/cm3 9.6
8.0
Embodied Carbon, kg CO2/kg material 9.8
2.3
Embodied Energy, MJ/kg 140
31
Embodied Water, L/kg 450
63

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 310
150
Resilience: Unit (Modulus of Resilience), kJ/m3 340
1150
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 21
24
Strength to Weight: Axial, points 28
26
Strength to Weight: Bending, points 23
23
Thermal Shock Resistance, points 25
22

Alloy Composition

Carbon (C), % 0.050 to 0.15
0 to 0.1
Chromium (Cr), % 19 to 21
0
Cobalt (Co), % 46.4 to 58
0
Iron (Fe), % 0 to 3.0
88.6 to 91.2
Manganese (Mn), % 0 to 2.0
0.3 to 0.8
Molybdenum (Mo), % 0
0 to 0.1
Nickel (Ni), % 9.0 to 11
8.5 to 10
Phosphorus (P), % 0 to 0.020
0 to 0.015
Silicon (Si), % 0 to 0.4
0 to 0.35
Sulfur (S), % 0 to 0.015
0 to 0.0050
Tungsten (W), % 14 to 16
0
Vanadium (V), % 0
0 to 0.010