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R31233 Cobalt vs. EN 1.1192 Steel

R31233 cobalt belongs to the cobalt alloys classification, while EN 1.1192 steel belongs to the iron alloys. There are 22 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.

For each property being compared, the top bar is R31233 cobalt and the bottom bar is EN 1.1192 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 220
190
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 85
72
Tensile Strength: Ultimate (UTS), MPa 1020
520 to 1810

Thermal Properties

Latent Heat of Fusion, J/g 320
250
Melting Completion (Liquidus), °C 1350
1460
Melting Onset (Solidus), °C 1330
1420
Specific Heat Capacity, J/kg-K 440
470
Thermal Conductivity, W/m-K 12
51
Thermal Expansion, µm/m-K 13
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.0
7.1
Electrical Conductivity: Equal Weight (Specific), % IACS 2.1
8.1

Otherwise Unclassified Properties

Density, g/cm3 8.6
7.8
Embodied Carbon, kg CO2/kg material 8.4
1.4
Embodied Energy, MJ/kg 110
19
Embodied Water, L/kg 480
46

Common Calculations

Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 23
24
Strength to Weight: Axial, points 33
18 to 64
Strength to Weight: Bending, points 26
18 to 42
Thermal Diffusivity, mm2/s 3.2
14
Thermal Shock Resistance, points 25
16 to 58

Alloy Composition

Boron (B), % 0 to 0.015
0
Carbon (C), % 0.020 to 0.1
0.42 to 0.5
Chromium (Cr), % 23.5 to 27.5
0
Cobalt (Co), % 44.7 to 63.3
0
Copper (Cu), % 0
0 to 0.25
Iron (Fe), % 1.0 to 5.0
98.1 to 99.08
Manganese (Mn), % 0.1 to 1.5
0.5 to 0.8
Molybdenum (Mo), % 4.0 to 6.0
0
Nickel (Ni), % 7.0 to 11
0
Nitrogen (N), % 0.030 to 0.12
0
Phosphorus (P), % 0 to 0.030
0 to 0.025
Silicon (Si), % 0.050 to 1.0
0 to 0.3
Sulfur (S), % 0 to 0.020
0 to 0.025
Tungsten (W), % 1.0 to 3.0
0