C99700 Brass vs. R30155 Cobalt
C99700 brass belongs to the copper alloys classification, while R30155 cobalt belongs to the iron alloys. There are 24 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 C99700 brass and the bottom bar is R30155 cobalt.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 120 | |
| 210 |
| Elongation at Break, % | 25 | |
| 34 |
| Poisson's Ratio | 0.32 | |
| 0.29 |
| Shear Modulus, GPa | 46 | |
| 81 |
| Tensile Strength: Ultimate (UTS), MPa | 380 | |
| 850 |
| Tensile Strength: Yield (Proof), MPa | 170 | |
| 390 |
Thermal Properties
| Latent Heat of Fusion, J/g | 200 | |
| 300 |
| Maximum Temperature: Mechanical, °C | 160 | |
| 1100 |
| Melting Completion (Liquidus), °C | 900 | |
| 1470 |
| Melting Onset (Solidus), °C | 880 | |
| 1420 |
| Specific Heat Capacity, J/kg-K | 410 | |
| 450 |
| Thermal Expansion, µm/m-K | 20 | |
| 14 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 25 | |
| 80 |
| Density, g/cm3 | 8.1 | |
| 8.5 |
| Embodied Carbon, kg CO2/kg material | 3.3 | |
| 9.7 |
| Embodied Energy, MJ/kg | 53 | |
| 150 |
| Embodied Water, L/kg | 320 | |
| 300 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 78 | |
| 230 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 120 | |
| 370 |
| Stiffness to Weight: Axial, points | 8.3 | |
| 14 |
| Stiffness to Weight: Bending, points | 20 | |
| 23 |
| Strength to Weight: Axial, points | 13 | |
| 28 |
| Strength to Weight: Bending, points | 14 | |
| 24 |
| Thermal Shock Resistance, points | 11 | |
| 21 |
Alloy Composition
Deprecated: Automatic conversion of false to array is deprecated in /home/public/compare.php on line 452
| Aluminum (Al), % | 0.5 to 3.0 | |
| 0 |
| Carbon (C), % | 0 | |
| 0.080 to 0.16 |
| Chromium (Cr), % | 0 | |
| 20 to 22.5 |
| Cobalt (Co), % | 0 | |
| 18.5 to 21 |
| Copper (Cu), % | 54 to 65.5 | |
| 0 |
| Iron (Fe), % | 0 to 1.0 | |
| 24.3 to 36.2 |
| Lead (Pb), % | 0 to 2.0 | |
| 0 |
| Manganese (Mn), % | 11 to 15 | |
| 1.0 to 2.0 |
| Molybdenum (Mo), % | 0 | |
| 2.5 to 3.5 |
| Nickel (Ni), % | 4.0 to 6.0 | |
| 19 to 21 |
| Niobium (Nb), % | 0 | |
| 0.75 to 1.3 |
| Nitrogen (N), % | 0 | |
| 0 to 0.2 |
| Phosphorus (P), % | 0 | |
| 0 to 0.040 |
| Silicon (Si), % | 0 | |
| 0 to 1.0 |
| Sulfur (S), % | 0 | |
| 0 to 0.030 |
| Tantalum (Ta), % | 0 | |
| 0.75 to 1.3 |
| Tin (Sn), % | 0 to 1.0 | |
| 0 |
| Tungsten (W), % | 0 | |
| 2.0 to 3.0 |
| Zinc (Zn), % | 19 to 25 | |
| 0 |
| Residuals, % | 0 to 0.3 | |
| 0 |