C31400 Bronze vs. EN 1.4740 Stainless Steel
C31400 bronze belongs to the copper alloys classification, while EN 1.4740 stainless steel belongs to the iron alloys. There are 21 material properties with values for both materials. Properties with values for just one material (11, in this case) are not shown.
For each property being compared, the top bar is C31400 bronze and the bottom bar is EN 1.4740 stainless steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 110 | |
| 200 |
| Elongation at Break, % | 6.8 to 29 | |
| 22 |
| Poisson's Ratio | 0.33 | |
| 0.28 |
| Shear Modulus, GPa | 42 | |
| 77 |
Thermal Properties
| Latent Heat of Fusion, J/g | 200 | |
| 300 |
| Maximum Temperature: Mechanical, °C | 180 | |
| 900 |
| Melting Completion (Liquidus), °C | 1040 | |
| 1420 |
| Melting Onset (Solidus), °C | 1010 | |
| 1370 |
| Specific Heat Capacity, J/kg-K | 380 | |
| 490 |
| Thermal Conductivity, W/m-K | 180 | |
| 18 |
| Thermal Expansion, µm/m-K | 18 | |
| 10 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 42 | |
| 2.2 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 43 | |
| 2.6 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 29 | |
| 9.5 |
| Density, g/cm3 | 8.8 | |
| 7.6 |
| Embodied Carbon, kg CO2/kg material | 2.6 | |
| 2.3 |
| Embodied Energy, MJ/kg | 42 | |
| 32 |
| Embodied Water, L/kg | 310 | |
| 120 |
Common Calculations
| Stiffness to Weight: Axial, points | 7.1 | |
| 14 |
| Stiffness to Weight: Bending, points | 18 | |
| 25 |
| Thermal Diffusivity, mm2/s | 54 | |
| 4.8 |
Alloy Composition
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| Carbon (C), % | 0 | |
| 0.3 to 0.5 |
| Chromium (Cr), % | 0 | |
| 16 to 19 |
| Copper (Cu), % | 87.5 to 90.5 | |
| 0 |
| Iron (Fe), % | 0 to 0.1 | |
| 75.4 to 82.7 |
| Lead (Pb), % | 1.3 to 2.5 | |
| 0 |
| Manganese (Mn), % | 0 | |
| 0 to 1.0 |
| Molybdenum (Mo), % | 0 | |
| 0 to 0.5 |
| Nickel (Ni), % | 0 to 0.7 | |
| 0 to 1.0 |
| Phosphorus (P), % | 0 | |
| 0 to 0.040 |
| Silicon (Si), % | 0 | |
| 1.0 to 2.5 |
| Sulfur (S), % | 0 | |
| 0 to 0.030 |
| Zinc (Zn), % | 5.8 to 11.2 | |
| 0 |
| Residuals, % | 0 to 0.4 | |
| 0 |