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EN 2.4964 Cobalt vs. ASTM A182 Grade F3V

EN 2.4964 cobalt belongs to the cobalt alloys classification, while ASTM A182 grade F3V 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 ASTM A182 grade F3V.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 220
190
Elongation at Break, % 40
20
Fatigue Strength, MPa 220
330
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 86
74
Tensile Strength: Ultimate (UTS), MPa 960
660
Tensile Strength: Yield (Proof), MPa 390
470

Thermal Properties

Latent Heat of Fusion, J/g 290
250
Melting Completion (Liquidus), °C 1630
1470
Melting Onset (Solidus), °C 1550
1430
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
7.6
Electrical Conductivity: Equal Weight (Specific), % IACS 1.8
8.8

Otherwise Unclassified Properties

Density, g/cm3 9.6
7.9
Embodied Carbon, kg CO2/kg material 9.8
2.3
Embodied Energy, MJ/kg 140
33
Embodied Water, L/kg 450
63

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 310
120
Resilience: Unit (Modulus of Resilience), kJ/m3 340
590
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 21
24
Strength to Weight: Axial, points 28
23
Strength to Weight: Bending, points 23
21
Thermal Diffusivity, mm2/s 3.9
10
Thermal Shock Resistance, points 25
19

Alloy Composition

Boron (B), % 0
0.0010 to 0.0030
Carbon (C), % 0.050 to 0.15
0.050 to 0.18
Chromium (Cr), % 19 to 21
2.8 to 3.2
Cobalt (Co), % 46.4 to 58
0
Iron (Fe), % 0 to 3.0
94.4 to 95.7
Manganese (Mn), % 0 to 2.0
0.3 to 0.6
Molybdenum (Mo), % 0
0.9 to 1.1
Nickel (Ni), % 9.0 to 11
0
Phosphorus (P), % 0 to 0.020
0 to 0.020
Silicon (Si), % 0 to 0.4
0 to 0.1
Sulfur (S), % 0 to 0.015
0 to 0.020
Titanium (Ti), % 0
0.015 to 0.035
Tungsten (W), % 14 to 16
0
Vanadium (V), % 0
0.2 to 0.3