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EN 2.4964 Cobalt vs. Grade VDSiCr Steel

EN 2.4964 cobalt belongs to the cobalt alloys classification, while grade VDSiCr steel belongs to the iron alloys. There are 22 material properties with values for both materials. Properties with values for just one material (9, in this case) are not shown.

For each property being compared, the top bar is EN 2.4964 cobalt and the bottom bar is grade VDSiCr steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 220
190
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 86
80
Tensile Strength: Ultimate (UTS), MPa 960
1950

Thermal Properties

Latent Heat of Fusion, J/g 290
270
Melting Completion (Liquidus), °C 1630
1440
Melting Onset (Solidus), °C 1550
1400
Specific Heat Capacity, J/kg-K 400
480
Thermal Conductivity, W/m-K 15
46
Thermal Expansion, µm/m-K 12
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.9
7.3
Electrical Conductivity: Equal Weight (Specific), % IACS 1.8
8.5

Otherwise Unclassified Properties

Density, g/cm3 9.6
7.7
Embodied Carbon, kg CO2/kg material 9.8
1.5
Embodied Energy, MJ/kg 140
20
Embodied Water, L/kg 450
48

Common Calculations

Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 21
25
Strength to Weight: Axial, points 28
70
Strength to Weight: Bending, points 23
45
Thermal Diffusivity, mm2/s 3.9
12
Thermal Shock Resistance, points 25
58

Alloy Composition

Carbon (C), % 0.050 to 0.15
0.5 to 0.6
Chromium (Cr), % 19 to 21
0.5 to 0.8
Cobalt (Co), % 46.4 to 58
0
Copper (Cu), % 0
0 to 0.060
Iron (Fe), % 0 to 3.0
96.6 to 97.8
Manganese (Mn), % 0 to 2.0
0.5 to 0.9
Nickel (Ni), % 9.0 to 11
0
Phosphorus (P), % 0 to 0.020
0 to 0.025
Silicon (Si), % 0 to 0.4
1.2 to 1.6
Sulfur (S), % 0 to 0.015
0 to 0.020
Tungsten (W), % 14 to 16
0