EN 1.0303 Steel vs. R30016 Cobalt
EN 1.0303 steel belongs to the iron alloys classification, while R30016 cobalt belongs to the cobalt alloys. There are 28 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 EN 1.0303 steel and the bottom bar is R30016 cobalt.
Metric UnitsUS Customary Units
Mechanical Properties
Elastic (Young's, Tensile) Modulus, GPa | 190 | |
220 |
Elongation at Break, % | 12 to 25 | |
8.4 |
Fatigue Strength, MPa | 150 to 230 | |
290 |
Poisson's Ratio | 0.29 | |
0.28 |
Reduction in Area, % | 75 to 86 | |
8.0 |
Shear Modulus, GPa | 73 | |
85 |
Tensile Strength: Ultimate (UTS), MPa | 290 to 410 | |
1010 |
Tensile Strength: Yield (Proof), MPa | 200 to 320 | |
580 |
Thermal Properties
Latent Heat of Fusion, J/g | 250 | |
320 |
Melting Completion (Liquidus), °C | 1470 | |
1360 |
Melting Onset (Solidus), °C | 1430 | |
1270 |
Specific Heat Capacity, J/kg-K | 470 | |
450 |
Thermal Conductivity, W/m-K | 53 | |
15 |
Thermal Expansion, µm/m-K | 12 | |
14 |
Electrical Properties
Electrical Conductivity: Equal Volume, % IACS | 6.9 | |
1.9 |
Electrical Conductivity: Equal Weight (Specific), % IACS | 7.9 | |
2.0 |
Otherwise Unclassified Properties
Density, g/cm3 | 7.9 | |
8.5 |
Embodied Carbon, kg CO2/kg material | 1.4 | |
7.7 |
Embodied Energy, MJ/kg | 18 | |
110 |
Embodied Water, L/kg | 46 | |
500 |
Common Calculations
Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 30 to 94 | |
72 |
Resilience: Unit (Modulus of Resilience), kJ/m3 | 110 to 270 | |
770 |
Stiffness to Weight: Axial, points | 13 | |
14 |
Stiffness to Weight: Bending, points | 24 | |
24 |
Strength to Weight: Axial, points | 10 to 15 | |
33 |
Strength to Weight: Bending, points | 12 to 16 | |
26 |
Thermal Diffusivity, mm2/s | 14 | |
3.9 |
Thermal Shock Resistance, points | 9.2 to 13 | |
24 |
Alloy Composition
Aluminum (Al), % | 0.020 to 0.060 | |
0 |
Carbon (C), % | 0.020 to 0.060 | |
0.9 to 1.4 |
Chromium (Cr), % | 0 | |
28 to 32 |
Cobalt (Co), % | 0 | |
49.6 to 66.9 |
Iron (Fe), % | 99.335 to 99.71 | |
0 to 3.0 |
Manganese (Mn), % | 0.25 to 0.4 | |
0.5 to 2.0 |
Molybdenum (Mo), % | 0 | |
0 to 1.5 |
Nickel (Ni), % | 0 | |
0 to 3.0 |
Phosphorus (P), % | 0 to 0.020 | |
0 |
Silicon (Si), % | 0 to 0.1 | |
0.2 to 2.0 |
Sulfur (S), % | 0 to 0.025 | |
0 |
Tungsten (W), % | 0 | |
3.5 to 5.5 |