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EN 2.4964 Cobalt vs. EN 1.3961 Alloy

EN 2.4964 cobalt belongs to the cobalt alloys classification, while EN 1.3961 alloy belongs to the iron alloys. There are 22 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 1.3961 alloy.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 220
190
Elongation at Break, % 40
31
Poisson's Ratio 0.29
0.3
Shear Modulus, GPa 86
72
Tensile Strength: Ultimate (UTS), MPa 960
450
Tensile Strength: Yield (Proof), MPa 390
310

Thermal Properties

Latent Heat of Fusion, J/g 290
270
Melting Completion (Liquidus), °C 1630
1430
Melting Onset (Solidus), °C 1550
1390
Specific Heat Capacity, J/kg-K 400
460
Thermal Expansion, µm/m-K 12
1.3

Otherwise Unclassified Properties

Density, g/cm3 9.6
8.2
Embodied Carbon, kg CO2/kg material 9.8
4.8
Embodied Energy, MJ/kg 140
66
Embodied Water, L/kg 450
110

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 310
130
Resilience: Unit (Modulus of Resilience), kJ/m3 340
250
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 21
23
Strength to Weight: Axial, points 28
15
Strength to Weight: Bending, points 23
16
Thermal Shock Resistance, points 25
130

Alloy Composition

Carbon (C), % 0.050 to 0.15
0 to 0.050
Chromium (Cr), % 19 to 21
0 to 0.25
Cobalt (Co), % 46.4 to 58
0
Iron (Fe), % 0 to 3.0
60.7 to 65
Manganese (Mn), % 0 to 2.0
0 to 0.5
Molybdenum (Mo), % 0
0 to 1.0
Nickel (Ni), % 9.0 to 11
35 to 37
Phosphorus (P), % 0 to 0.020
0 to 0.030
Silicon (Si), % 0 to 0.4
0 to 0.5
Sulfur (S), % 0 to 0.015
0 to 0.020
Tungsten (W), % 14 to 16
0