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EN 2.4964 Cobalt vs. SAE-AISI M52 Steel

EN 2.4964 cobalt belongs to the cobalt alloys classification, while SAE-AISI M52 steel belongs to the iron alloys. There are 22 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is EN 2.4964 cobalt and the bottom bar is SAE-AISI M52 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
75
Tensile Strength: Ultimate (UTS), MPa 960
710 to 2280

Thermal Properties

Latent Heat of Fusion, J/g 290
260
Melting Completion (Liquidus), °C 1630
1510
Melting Onset (Solidus), °C 1550
1470
Specific Heat Capacity, J/kg-K 400
460
Thermal Conductivity, W/m-K 15
31
Thermal Expansion, µm/m-K 12
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.9
8.9
Electrical Conductivity: Equal Weight (Specific), % IACS 1.8
10

Otherwise Unclassified Properties

Density, g/cm3 9.6
7.9
Embodied Carbon, kg CO2/kg material 9.8
7.5
Embodied Energy, MJ/kg 140
110
Embodied Water, L/kg 450
89

Common Calculations

Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 21
24
Strength to Weight: Axial, points 28
25 to 80
Strength to Weight: Bending, points 23
22 to 49
Thermal Diffusivity, mm2/s 3.9
8.4
Thermal Shock Resistance, points 25
21 to 67

Alloy Composition

Carbon (C), % 0.050 to 0.15
0.85 to 1.0
Chromium (Cr), % 19 to 21
3.5 to 4.3
Cobalt (Co), % 46.4 to 58
0
Copper (Cu), % 0
0 to 0.25
Iron (Fe), % 0 to 3.0
84.4 to 88.9
Manganese (Mn), % 0 to 2.0
0.15 to 0.45
Molybdenum (Mo), % 0
4.0 to 4.9
Nickel (Ni), % 9.0 to 11
0 to 0.3
Phosphorus (P), % 0 to 0.020
0 to 0.030
Silicon (Si), % 0 to 0.4
0.2 to 0.6
Sulfur (S), % 0 to 0.015
0 to 0.030
Tungsten (W), % 14 to 16
0.75 to 1.5
Vanadium (V), % 0
1.7 to 2.3