MakeItFrom.com
Menu (ESC)

R31233 Cobalt vs. EN 1.7243 Steel

R31233 cobalt belongs to the cobalt alloys classification, while EN 1.7243 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 1.7243 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
73
Tensile Strength: Ultimate (UTS), MPa 1020
480 to 1390

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
44
Thermal Expansion, µm/m-K 13
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.0
7.3
Electrical Conductivity: Equal Weight (Specific), % IACS 2.1
8.3

Otherwise Unclassified Properties

Density, g/cm3 8.6
7.8
Embodied Carbon, kg CO2/kg material 8.4
1.5
Embodied Energy, MJ/kg 110
20
Embodied Water, L/kg 480
51

Common Calculations

Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 23
24
Strength to Weight: Axial, points 33
17 to 49
Strength to Weight: Bending, points 26
17 to 35
Thermal Diffusivity, mm2/s 3.2
12
Thermal Shock Resistance, points 25
14 to 41

Alloy Composition

Boron (B), % 0 to 0.015
0
Carbon (C), % 0.020 to 0.1
0.15 to 0.21
Chromium (Cr), % 23.5 to 27.5
0.9 to 1.2
Cobalt (Co), % 44.7 to 63.3
0
Copper (Cu), % 0
0 to 0.25
Iron (Fe), % 1.0 to 5.0
96.8 to 98.2
Manganese (Mn), % 0.1 to 1.5
0.6 to 0.9
Molybdenum (Mo), % 4.0 to 6.0
0.15 to 0.25
Nickel (Ni), % 7.0 to 11
0
Nitrogen (N), % 0.030 to 0.12
0
Phosphorus (P), % 0 to 0.030
0 to 0.035
Silicon (Si), % 0.050 to 1.0
0 to 0.4
Sulfur (S), % 0 to 0.020
0 to 0.035
Tungsten (W), % 1.0 to 3.0
0