C31400 Bronze vs. EN 1.6771 Steel
C31400 bronze belongs to the copper alloys classification, while EN 1.6771 steel belongs to the iron alloys. There are 28 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.
For each property being compared, the top bar is C31400 bronze and the bottom bar is EN 1.6771 steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 110 | |
| 190 |
| Elongation at Break, % | 6.8 to 29 | |
| 8.0 to 8.7 |
| Poisson's Ratio | 0.33 | |
| 0.29 |
| Shear Modulus, GPa | 42 | |
| 73 |
| Tensile Strength: Ultimate (UTS), MPa | 270 to 420 | |
| 930 to 1180 |
| Tensile Strength: Yield (Proof), MPa | 78 to 310 | |
| 740 to 1140 |
Thermal Properties
| Latent Heat of Fusion, J/g | 200 | |
| 250 |
| Maximum Temperature: Mechanical, °C | 180 | |
| 440 |
| Melting Completion (Liquidus), °C | 1040 | |
| 1460 |
| Melting Onset (Solidus), °C | 1010 | |
| 1420 |
| Specific Heat Capacity, J/kg-K | 380 | |
| 470 |
| Thermal Conductivity, W/m-K | 180 | |
| 46 |
| Thermal Expansion, µm/m-K | 18 | |
| 13 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 42 | |
| 8.0 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 43 | |
| 9.2 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 29 | |
| 5.0 |
| Density, g/cm3 | 8.8 | |
| 7.9 |
| Embodied Carbon, kg CO2/kg material | 2.6 | |
| 1.9 |
| Embodied Energy, MJ/kg | 42 | |
| 25 |
| Embodied Water, L/kg | 310 | |
| 58 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 26 to 59 | |
| 75 to 93 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 28 to 420 | |
| 1460 to 3450 |
| Stiffness to Weight: Axial, points | 7.1 | |
| 13 |
| Stiffness to Weight: Bending, points | 18 | |
| 24 |
| Strength to Weight: Axial, points | 8.7 to 13 | |
| 33 to 41 |
| Strength to Weight: Bending, points | 11 to 14 | |
| 27 to 31 |
| Thermal Diffusivity, mm2/s | 54 | |
| 13 |
| Thermal Shock Resistance, points | 9.6 to 15 | |
| 27 to 35 |
Alloy Composition
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| Carbon (C), % | 0 | |
| 0.27 to 0.33 |
| Chromium (Cr), % | 0 | |
| 0.8 to 1.2 |
| Copper (Cu), % | 87.5 to 90.5 | |
| 0 |
| Iron (Fe), % | 0 to 0.1 | |
| 92.2 to 95 |
| Lead (Pb), % | 1.3 to 2.5 | |
| 0 |
| Manganese (Mn), % | 0 | |
| 0.6 to 1.0 |
| Molybdenum (Mo), % | 0 | |
| 0.3 to 0.6 |
| Nickel (Ni), % | 0 to 0.7 | |
| 3.0 to 4.0 |
| Phosphorus (P), % | 0 | |
| 0 to 0.030 |
| Silicon (Si), % | 0 | |
| 0 to 0.6 |
| Sulfur (S), % | 0 | |
| 0 to 0.020 |
| Zinc (Zn), % | 5.8 to 11.2 | |
| 0 |
| Residuals, % | 0 to 0.4 | |
| 0 |