R30012 Cobalt vs. K93603 Alloy
R30012 cobalt belongs to the cobalt alloys classification, while K93603 alloy belongs to the iron alloys. There are 18 material properties with values for both materials. Properties with values for just one material (12, in this case) are not shown.
For each property being compared, the top bar is R30012 cobalt and the bottom bar is K93603 alloy.
Metric UnitsUS Customary Units
Mechanical Properties
Elastic (Young's, Tensile) Modulus, GPa | 220 | |
190 |
Poisson's Ratio | 0.28 | |
0.3 |
Shear Modulus, GPa | 86 | |
72 |
Tensile Strength: Ultimate (UTS), MPa | 830 | |
490 to 810 |
Thermal Properties
Latent Heat of Fusion, J/g | 320 | |
270 |
Melting Completion (Liquidus), °C | 1470 | |
1430 |
Melting Onset (Solidus), °C | 1280 | |
1380 |
Specific Heat Capacity, J/kg-K | 440 | |
460 |
Thermal Expansion, µm/m-K | 12 | |
12 |
Otherwise Unclassified Properties
Density, g/cm3 | 8.8 | |
8.2 |
Embodied Carbon, kg CO2/kg material | 8.3 | |
4.8 |
Embodied Energy, MJ/kg | 120 | |
66 |
Embodied Water, L/kg | 480 | |
120 |
Common Calculations
Stiffness to Weight: Axial, points | 14 | |
13 |
Stiffness to Weight: Bending, points | 23 | |
23 |
Strength to Weight: Axial, points | 26 | |
17 to 27 |
Strength to Weight: Bending, points | 22 | |
17 to 24 |
Thermal Shock Resistance, points | 23 | |
15 to 25 |
Alloy Composition
Aluminum (Al), % | 0 | |
0 to 0.1 |
Carbon (C), % | 1.4 to 2.0 | |
0 to 0.050 |
Chromium (Cr), % | 27 to 32 | |
0 to 0.25 |
Cobalt (Co), % | 47.5 to 64.1 | |
0 to 0.5 |
Iron (Fe), % | 0 to 3.0 | |
61.8 to 64 |
Magnesium (Mg), % | 0 | |
0 to 0.1 |
Manganese (Mn), % | 0 | |
0 to 0.6 |
Molybdenum (Mo), % | 0 to 1.0 | |
0 |
Nickel (Ni), % | 0 to 3.0 | |
36 |
Phosphorus (P), % | 0 | |
0 to 0.015 |
Silicon (Si), % | 0 to 2.0 | |
0 to 0.4 |
Sulfur (S), % | 0 | |
0 to 0.015 |
Titanium (Ti), % | 0 | |
0 to 0.1 |
Tungsten (W), % | 7.5 to 9.5 | |
0 |
Zirconium (Zr), % | 0 | |
0 to 0.1 |