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EN 2.4964 Cobalt vs. EN 1.3543 Stainless Steel

EN 2.4964 cobalt belongs to the cobalt alloys classification, while EN 1.3543 stainless steel belongs to the iron alloys. There are 22 material properties with values for both materials. Properties with values for just one material (10, 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 1.3543 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 220
200
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 86
76
Tensile Strength: Ultimate (UTS), MPa 960
730

Thermal Properties

Latent Heat of Fusion, J/g 290
280
Melting Completion (Liquidus), °C 1630
1430
Melting Onset (Solidus), °C 1550
1390
Specific Heat Capacity, J/kg-K 400
480
Thermal Conductivity, W/m-K 15
22
Thermal Expansion, µm/m-K 12
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.9
2.5
Electrical Conductivity: Equal Weight (Specific), % IACS 1.8
3.0

Otherwise Unclassified Properties

Density, g/cm3 9.6
7.7
Embodied Carbon, kg CO2/kg material 9.8
2.3
Embodied Energy, MJ/kg 140
32
Embodied Water, L/kg 450
120

Common Calculations

Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 21
25
Strength to Weight: Axial, points 28
27
Strength to Weight: Bending, points 23
24
Thermal Diffusivity, mm2/s 3.9
6.1
Thermal Shock Resistance, points 25
26

Alloy Composition

Carbon (C), % 0.050 to 0.15
1.0 to 1.2
Chromium (Cr), % 19 to 21
16 to 18
Cobalt (Co), % 46.4 to 58
0
Iron (Fe), % 0 to 3.0
79.1 to 83.6
Manganese (Mn), % 0 to 2.0
0 to 1.0
Molybdenum (Mo), % 0
0.4 to 0.8
Nickel (Ni), % 9.0 to 11
0
Phosphorus (P), % 0 to 0.020
0 to 0.040
Silicon (Si), % 0 to 0.4
0 to 1.0
Sulfur (S), % 0 to 0.015
0 to 0.030
Tungsten (W), % 14 to 16
0