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EN 1.5537 Steel vs. R30016 Cobalt

EN 1.5537 steel belongs to the iron alloys classification, while R30016 cobalt belongs to the cobalt alloys. There are 23 material properties with values for both materials. Properties with values for just one material (12, in this case) are not shown.

For each property being compared, the top bar is EN 1.5537 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
Reduction in Area, % 64 to 69
8.0
Shear Modulus, GPa 73
85
Tensile Strength: Ultimate (UTS), MPa 520 to 1760
1010

Thermal Properties

Latent Heat of Fusion, J/g 250
320
Melting Completion (Liquidus), °C 1460
1360
Melting Onset (Solidus), °C 1420
1270
Specific Heat Capacity, J/kg-K 470
450
Thermal Conductivity, W/m-K 48
15
Thermal Expansion, µm/m-K 13
14

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.2
1.9
Electrical Conductivity: Equal Weight (Specific), % IACS 8.2
2.0

Otherwise Unclassified Properties

Density, g/cm3 7.8
8.5
Embodied Carbon, kg CO2/kg material 1.4
7.7
Embodied Energy, MJ/kg 19
110
Embodied Water, L/kg 47
500

Common Calculations

Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 18 to 63
33
Strength to Weight: Bending, points 18 to 41
26
Thermal Diffusivity, mm2/s 13
3.9
Thermal Shock Resistance, points 15 to 52
24

Alloy Composition

Boron (B), % 0.00080 to 0.0050
0
Carbon (C), % 0.33 to 0.38
0.9 to 1.4
Chromium (Cr), % 0 to 0.3
28 to 32
Cobalt (Co), % 0
49.6 to 66.9
Copper (Cu), % 0 to 0.25
0
Iron (Fe), % 97.6 to 98.9
0 to 3.0
Manganese (Mn), % 0.8 to 1.1
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), % 0 to 0.3
0.2 to 2.0
Sulfur (S), % 0 to 0.025
0
Tungsten (W), % 0
3.5 to 5.5