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EN 1.3520 Steel vs. R30075 Cobalt

EN 1.3520 steel belongs to the iron alloys classification, while R30075 cobalt belongs to the cobalt 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 1.3520 steel and the bottom bar is R30075 cobalt.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
210 to 250
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 72
82 to 98
Tensile Strength: Ultimate (UTS), MPa 620 to 730
780 to 1280

Thermal Properties

Latent Heat of Fusion, J/g 260
320
Melting Completion (Liquidus), °C 1440
1360
Melting Onset (Solidus), °C 1400
1290
Specific Heat Capacity, J/kg-K 480
450
Thermal Conductivity, W/m-K 43
13
Thermal Expansion, µm/m-K 13
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.4
2.0
Electrical Conductivity: Equal Weight (Specific), % IACS 8.6
2.1

Otherwise Unclassified Properties

Density, g/cm3 7.8
8.4
Embodied Carbon, kg CO2/kg material 1.5
8.1
Embodied Energy, MJ/kg 20
110
Embodied Water, L/kg 54
530

Common Calculations

Stiffness to Weight: Axial, points 13
14 to 17
Stiffness to Weight: Bending, points 25
24 to 25
Strength to Weight: Axial, points 22 to 26
26 to 42
Strength to Weight: Bending, points 21 to 23
22 to 31
Thermal Diffusivity, mm2/s 12
3.5
Thermal Shock Resistance, points 18 to 22
21 to 29

Alloy Composition

Aluminum (Al), % 0 to 0.050
0 to 0.1
Boron (B), % 0
0 to 0.010
Carbon (C), % 0.93 to 1.1
0 to 0.35
Chromium (Cr), % 1.4 to 1.7
27 to 30
Cobalt (Co), % 0
58.7 to 68
Copper (Cu), % 0 to 0.3
0
Iron (Fe), % 95.9 to 97.2
0 to 0.75
Manganese (Mn), % 1.0 to 1.2
0 to 1.0
Molybdenum (Mo), % 0 to 0.1
5.0 to 7.0
Nickel (Ni), % 0
0 to 0.5
Nitrogen (N), % 0
0 to 0.25
Oxygen (O), % 0 to 0.0015
0
Phosphorus (P), % 0 to 0.025
0 to 0.020
Silicon (Si), % 0.45 to 0.75
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.010
Titanium (Ti), % 0
0 to 0.1
Tungsten (W), % 0
0 to 0.2