EN 1.7231 Steel vs. C34200 Brass
EN 1.7231 steel belongs to the iron alloys classification, while C34200 brass belongs to the copper alloys. There are 28 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.
For each property being compared, the top bar is EN 1.7231 steel and the bottom bar is C34200 brass.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 190 | |
| 100 |
| Elongation at Break, % | 11 to 12 | |
| 3.0 to 17 |
| Poisson's Ratio | 0.29 | |
| 0.31 |
| Shear Modulus, GPa | 73 | |
| 40 |
| Tensile Strength: Ultimate (UTS), MPa | 790 to 930 | |
| 370 to 650 |
| Tensile Strength: Yield (Proof), MPa | 570 to 800 | |
| 150 to 420 |
Thermal Properties
| Latent Heat of Fusion, J/g | 250 | |
| 170 |
| Maximum Temperature: Mechanical, °C | 420 | |
| 120 |
| Melting Completion (Liquidus), °C | 1460 | |
| 910 |
| Melting Onset (Solidus), °C | 1420 | |
| 890 |
| Specific Heat Capacity, J/kg-K | 470 | |
| 380 |
| Thermal Conductivity, W/m-K | 46 | |
| 120 |
| Thermal Expansion, µm/m-K | 13 | |
| 21 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 7.3 | |
| 26 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 8.4 | |
| 29 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 2.5 | |
| 24 |
| Density, g/cm3 | 7.8 | |
| 8.2 |
| Embodied Carbon, kg CO2/kg material | 1.5 | |
| 2.6 |
| Embodied Energy, MJ/kg | 20 | |
| 45 |
| Embodied Water, L/kg | 51 | |
| 320 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 87 to 100 | |
| 9.0 to 98 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 870 to 1700 | |
| 110 to 870 |
| Stiffness to Weight: Axial, points | 13 | |
| 7.1 |
| Stiffness to Weight: Bending, points | 24 | |
| 19 |
| Strength to Weight: Axial, points | 28 to 33 | |
| 13 to 22 |
| Strength to Weight: Bending, points | 24 to 27 | |
| 14 to 20 |
| Thermal Diffusivity, mm2/s | 12 | |
| 37 |
| Thermal Shock Resistance, points | 23 to 27 | |
| 12 to 22 |
Alloy Composition
| Carbon (C), % | 0.38 to 0.45 | |
| 0 |
| Chromium (Cr), % | 0.8 to 1.2 | |
| 0 |
| Copper (Cu), % | 0 | |
| 62 to 65 |
| Iron (Fe), % | 96.4 to 98.1 | |
| 0 to 0.1 |
| Lead (Pb), % | 0 | |
| 1.5 to 2.5 |
| Manganese (Mn), % | 0.6 to 1.0 | |
| 0 |
| Molybdenum (Mo), % | 0.15 to 0.3 | |
| 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 | |
| 32 to 36.5 |
| Residuals, % | 0 | |
| 0 to 0.4 |