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EN 1.5701 Steel vs. R30016 Cobalt

EN 1.5701 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 1.5701 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 73
85
Tensile Strength: Ultimate (UTS), MPa 430 to 1300
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 45
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 8.3
2.0

Otherwise Unclassified Properties

Density, g/cm3 7.9
8.5
Embodied Carbon, kg CO2/kg material 1.5
7.7
Embodied Energy, MJ/kg 19
110
Embodied Water, L/kg 49
500

Common Calculations

Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 15 to 46
33
Strength to Weight: Bending, points 16 to 34
26
Thermal Diffusivity, mm2/s 12
3.9
Thermal Shock Resistance, points 13 to 38
24

Alloy Composition

Carbon (C), % 0.090 to 0.15
0.9 to 1.4
Chromium (Cr), % 0.4 to 0.7
28 to 32
Cobalt (Co), % 0
49.6 to 66.9
Copper (Cu), % 0 to 0.25
0
Iron (Fe), % 97.2 to 98.7
0 to 3.0
Manganese (Mn), % 0.3 to 0.6
0.5 to 2.0
Molybdenum (Mo), % 0
0 to 1.5
Nickel (Ni), % 0.5 to 0.8
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