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EN 2.4964 Cobalt vs. EN 1.7362 Steel

EN 2.4964 cobalt belongs to the cobalt alloys classification, while EN 1.7362 steel belongs to the iron alloys. There are 27 material properties with values for both materials. Properties with values for just one material (6, 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 1.7362 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 220
190
Elongation at Break, % 40
21 to 22
Fatigue Strength, MPa 220
140 to 250
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 86
74
Tensile Strength: Ultimate (UTS), MPa 960
510 to 600
Tensile Strength: Yield (Proof), MPa 390
200 to 360

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
40
Thermal Expansion, µm/m-K 12
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.9
8.1
Electrical Conductivity: Equal Weight (Specific), % IACS 1.8
9.4

Otherwise Unclassified Properties

Density, g/cm3 9.6
7.8
Embodied Carbon, kg CO2/kg material 9.8
1.8
Embodied Energy, MJ/kg 140
23
Embodied Water, L/kg 450
69

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 310
90 to 110
Resilience: Unit (Modulus of Resilience), kJ/m3 340
100 to 340
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 21
25
Strength to Weight: Axial, points 28
18 to 21
Strength to Weight: Bending, points 23
18 to 20
Thermal Diffusivity, mm2/s 3.9
11
Thermal Shock Resistance, points 25
14 to 17

Alloy Composition

Carbon (C), % 0.050 to 0.15
0.1 to 0.15
Chromium (Cr), % 19 to 21
4.0 to 6.0
Cobalt (Co), % 46.4 to 58
0
Copper (Cu), % 0
0 to 0.3
Iron (Fe), % 0 to 3.0
91.5 to 95.2
Manganese (Mn), % 0 to 2.0
0.3 to 0.6
Molybdenum (Mo), % 0
0.45 to 0.65
Nickel (Ni), % 9.0 to 11
0 to 0.3
Nitrogen (N), % 0
0 to 0.012
Phosphorus (P), % 0 to 0.020
0 to 0.020
Silicon (Si), % 0 to 0.4
0 to 0.5
Sulfur (S), % 0 to 0.015
0 to 0.0050
Tungsten (W), % 14 to 16
0