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EN 2.4964 Cobalt vs. Grade TDC Steel

EN 2.4964 cobalt belongs to the cobalt alloys classification, while grade TDC 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 TDC 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
1700

Thermal Properties

Latent Heat of Fusion, J/g 290
250
Melting Completion (Liquidus), °C 1630
1450
Melting Onset (Solidus), °C 1550
1410
Specific Heat Capacity, J/kg-K 400
470
Thermal Conductivity, W/m-K 15
51
Thermal Expansion, µm/m-K 12
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.9
7.1
Electrical Conductivity: Equal Weight (Specific), % IACS 1.8
8.2

Otherwise Unclassified Properties

Density, g/cm3 9.6
7.8
Embodied Carbon, kg CO2/kg material 9.8
1.4
Embodied Energy, MJ/kg 140
19
Embodied Water, L/kg 450
47

Common Calculations

Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 21
24
Strength to Weight: Axial, points 28
60
Strength to Weight: Bending, points 23
40
Thermal Diffusivity, mm2/s 3.9
14
Thermal Shock Resistance, points 25
50

Alloy Composition

Carbon (C), % 0.050 to 0.15
0.6 to 0.75
Chromium (Cr), % 19 to 21
0 to 0.3
Cobalt (Co), % 46.4 to 58
0
Copper (Cu), % 0
0 to 0.1
Iron (Fe), % 0 to 3.0
98 to 99.4
Manganese (Mn), % 0 to 2.0
0.5 to 1.2
Nickel (Ni), % 9.0 to 11
0
Phosphorus (P), % 0 to 0.020
0 to 0.020
Silicon (Si), % 0 to 0.4
0.1 to 0.35
Sulfur (S), % 0 to 0.015
0 to 0.020
Tungsten (W), % 14 to 16
0