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EN 1.5024 Steel vs. R30016 Cobalt

EN 1.5024 steel belongs to the iron alloys classification, while R30016 cobalt belongs to the cobalt alloys. There are 22 material properties with values for both materials. Properties with values for just one material (13, in this case) are not shown.

For each property being compared, the top bar is EN 1.5024 steel and the bottom bar is R30016 cobalt.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
220
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 72
85
Tensile Strength: Ultimate (UTS), MPa 670 to 1930
1010

Thermal Properties

Latent Heat of Fusion, J/g 270
320
Melting Completion (Liquidus), °C 1440
1360
Melting Onset (Solidus), °C 1400
1270
Specific Heat Capacity, J/kg-K 480
450
Thermal Conductivity, W/m-K 50
15
Thermal Expansion, µm/m-K 13
14

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.3
1.9
Electrical Conductivity: Equal Weight (Specific), % IACS 8.5
2.0

Otherwise Unclassified Properties

Density, g/cm3 7.7
8.5
Embodied Carbon, kg CO2/kg material 1.4
7.7
Embodied Energy, MJ/kg 19
110
Embodied Water, L/kg 45
500

Common Calculations

Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 24 to 69
33
Strength to Weight: Bending, points 22 to 45
26
Thermal Diffusivity, mm2/s 14
3.9
Thermal Shock Resistance, points 20 to 58
24

Alloy Composition

Carbon (C), % 0.42 to 0.5
0.9 to 1.4
Chromium (Cr), % 0
28 to 32
Cobalt (Co), % 0
49.6 to 66.9
Iron (Fe), % 96.7 to 97.6
0 to 3.0
Manganese (Mn), % 0.5 to 0.8
0.5 to 2.0
Molybdenum (Mo), % 0
0 to 1.5
Nickel (Ni), % 0
0 to 3.0
Phosphorus (P), % 0 to 0.025
0
Silicon (Si), % 1.5 to 2.0
0.2 to 2.0
Sulfur (S), % 0 to 0.025
0
Tungsten (W), % 0
3.5 to 5.5