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EN 2.4964 Cobalt vs. EN 1.4913 Stainless Steel

EN 2.4964 cobalt belongs to the cobalt alloys classification, while EN 1.4913 stainless steel belongs to the iron alloys. There are 27 material properties with values for both materials. Properties with values for just one material (5, 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 1.4913 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 220
190
Elongation at Break, % 40
14 to 22
Fatigue Strength, MPa 220
320 to 480
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 86
75
Tensile Strength: Ultimate (UTS), MPa 960
870 to 980
Tensile Strength: Yield (Proof), MPa 390
480 to 850

Thermal Properties

Latent Heat of Fusion, J/g 290
270
Melting Completion (Liquidus), °C 1630
1460
Melting Onset (Solidus), °C 1550
1410
Specific Heat Capacity, J/kg-K 400
480
Thermal Conductivity, W/m-K 15
24
Thermal Expansion, µm/m-K 12
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.9
2.9
Electrical Conductivity: Equal Weight (Specific), % IACS 1.8
3.3

Otherwise Unclassified Properties

Density, g/cm3 9.6
7.8
Embodied Carbon, kg CO2/kg material 9.8
2.9
Embodied Energy, MJ/kg 140
41
Embodied Water, L/kg 450
97

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 310
130 to 160
Resilience: Unit (Modulus of Resilience), kJ/m3 340
600 to 1860
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 21
25
Strength to Weight: Axial, points 28
31 to 35
Strength to Weight: Bending, points 23
26 to 28
Thermal Diffusivity, mm2/s 3.9
6.5
Thermal Shock Resistance, points 25
31 to 34

Alloy Composition

Aluminum (Al), % 0
0 to 0.020
Boron (B), % 0
0 to 0.0015
Carbon (C), % 0.050 to 0.15
0.17 to 0.23
Chromium (Cr), % 19 to 21
10 to 11.5
Cobalt (Co), % 46.4 to 58
0
Iron (Fe), % 0 to 3.0
84.5 to 88.3
Manganese (Mn), % 0 to 2.0
0.4 to 0.9
Molybdenum (Mo), % 0
0.5 to 0.8
Nickel (Ni), % 9.0 to 11
0.2 to 0.6
Niobium (Nb), % 0
0.25 to 0.55
Nitrogen (N), % 0
0.050 to 0.1
Phosphorus (P), % 0 to 0.020
0 to 0.025
Silicon (Si), % 0 to 0.4
0 to 0.5
Sulfur (S), % 0 to 0.015
0 to 0.015
Tungsten (W), % 14 to 16
0
Vanadium (V), % 0
0.1 to 0.3