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EN 1.3553 Steel vs. R30075 Cobalt

EN 1.3553 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 (10, in this case) are not shown.

For each property being compared, the top bar is EN 1.3553 steel and the bottom bar is R30075 cobalt.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
210 to 250
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 77
82 to 98
Tensile Strength: Ultimate (UTS), MPa 720
780 to 1280

Thermal Properties

Latent Heat of Fusion, J/g 260
320
Melting Completion (Liquidus), °C 1620
1360
Melting Onset (Solidus), °C 1570
1290
Specific Heat Capacity, J/kg-K 440
450
Thermal Conductivity, W/m-K 24
13
Thermal Expansion, µm/m-K 12
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 10
2.0
Electrical Conductivity: Equal Weight (Specific), % IACS 11
2.1

Otherwise Unclassified Properties

Density, g/cm3 8.4
8.4
Embodied Carbon, kg CO2/kg material 8.5
8.1
Embodied Energy, MJ/kg 130
110
Embodied Water, L/kg 96
530

Common Calculations

Stiffness to Weight: Axial, points 13
14 to 17
Stiffness to Weight: Bending, points 23
24 to 25
Strength to Weight: Axial, points 24
26 to 42
Strength to Weight: Bending, points 21
22 to 31
Thermal Diffusivity, mm2/s 6.4
3.5
Thermal Shock Resistance, points 21
21 to 29

Alloy Composition

Aluminum (Al), % 0
0 to 0.1
Boron (B), % 0
0 to 0.010
Carbon (C), % 0.78 to 0.86
0 to 0.35
Chromium (Cr), % 3.9 to 4.3
27 to 30
Cobalt (Co), % 0
58.7 to 68
Copper (Cu), % 0 to 0.3
0
Iron (Fe), % 80.7 to 83.7
0 to 0.75
Manganese (Mn), % 0 to 0.4
0 to 1.0
Molybdenum (Mo), % 4.7 to 5.2
5.0 to 7.0
Nickel (Ni), % 0
0 to 0.5
Nitrogen (N), % 0
0 to 0.25
Phosphorus (P), % 0 to 0.025
0 to 0.020
Silicon (Si), % 0 to 0.4
0 to 1.0
Sulfur (S), % 0 to 0.015
0 to 0.010
Titanium (Ti), % 0
0 to 0.1
Tungsten (W), % 6.0 to 6.7
0 to 0.2
Vanadium (V), % 1.7 to 2.0
0