EN 1.6579 Steel vs. C66900 Brass
EN 1.6579 steel belongs to the iron alloys classification, while C66900 brass belongs to the copper alloys. There are 26 material properties with values for both materials. Properties with values for just one material (9, in this case) are not shown.
For each property being compared, the top bar is EN 1.6579 steel and the bottom bar is C66900 brass.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 190 | |
| 120 |
| Elongation at Break, % | 11 to 14 | |
| 1.1 to 26 |
| Poisson's Ratio | 0.29 | |
| 0.32 |
| Shear Modulus, GPa | 73 | |
| 45 |
| Tensile Strength: Ultimate (UTS), MPa | 850 to 980 | |
| 460 to 770 |
| Tensile Strength: Yield (Proof), MPa | 600 to 910 | |
| 330 to 760 |
Thermal Properties
| Latent Heat of Fusion, J/g | 250 | |
| 190 |
| Maximum Temperature: Mechanical, °C | 440 | |
| 150 |
| Melting Completion (Liquidus), °C | 1460 | |
| 860 |
| Melting Onset (Solidus), °C | 1410 | |
| 850 |
| Specific Heat Capacity, J/kg-K | 470 | |
| 400 |
| Thermal Expansion, µm/m-K | 13 | |
| 20 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 7.7 | |
| 3.4 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 8.8 | |
| 3.8 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 3.7 | |
| 23 |
| Density, g/cm3 | 7.8 | |
| 8.2 |
| Embodied Carbon, kg CO2/kg material | 1.7 | |
| 2.8 |
| Embodied Energy, MJ/kg | 22 | |
| 46 |
| Embodied Water, L/kg | 56 | |
| 310 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 100 to 120 | |
| 4.6 to 200 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 950 to 2210 | |
| 460 to 2450 |
| Stiffness to Weight: Axial, points | 13 | |
| 8.1 |
| Stiffness to Weight: Bending, points | 24 | |
| 20 |
| Strength to Weight: Axial, points | 30 to 35 | |
| 15 to 26 |
| Strength to Weight: Bending, points | 25 to 28 | |
| 16 to 23 |
| Thermal Shock Resistance, points | 25 to 29 | |
| 14 to 23 |
Alloy Composition
| Carbon (C), % | 0.32 to 0.38 | |
| 0 |
| Chromium (Cr), % | 1.4 to 1.7 | |
| 0 |
| Copper (Cu), % | 0 | |
| 62.5 to 64.5 |
| Iron (Fe), % | 94.2 to 96.1 | |
| 0 to 0.25 |
| Lead (Pb), % | 0 | |
| 0 to 0.050 |
| Manganese (Mn), % | 0.6 to 1.0 | |
| 11.5 to 12.5 |
| Molybdenum (Mo), % | 0.15 to 0.35 | |
| 0 |
| Nickel (Ni), % | 1.4 to 1.7 | |
| 0 |
| Phosphorus (P), % | 0 to 0.025 | |
| 0 |
| Silicon (Si), % | 0 to 0.6 | |
| 0 |
| Sulfur (S), % | 0 to 0.030 | |
| 0 |
| Zinc (Zn), % | 0 | |
| 22.5 to 26 |
| Residuals, % | 0 | |
| 0 to 0.2 |