C31400 Bronze vs. SAE-AISI 1340 Steel
C31400 bronze belongs to the copper alloys classification, while SAE-AISI 1340 steel belongs to the iron alloys. There are 29 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.
For each property being compared, the top bar is C31400 bronze and the bottom bar is SAE-AISI 1340 steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 110 | |
| 190 |
| Elongation at Break, % | 6.8 to 29 | |
| 11 to 23 |
| Poisson's Ratio | 0.33 | |
| 0.29 |
| Shear Modulus, GPa | 42 | |
| 72 |
| Shear Strength, MPa | 180 to 240 | |
| 340 to 440 |
| Tensile Strength: Ultimate (UTS), MPa | 270 to 420 | |
| 540 to 730 |
| Tensile Strength: Yield (Proof), MPa | 78 to 310 | |
| 300 to 620 |
Thermal Properties
| Latent Heat of Fusion, J/g | 200 | |
| 250 |
| Maximum Temperature: Mechanical, °C | 180 | |
| 400 |
| Melting Completion (Liquidus), °C | 1040 | |
| 1450 |
| Melting Onset (Solidus), °C | 1010 | |
| 1410 |
| Specific Heat Capacity, J/kg-K | 380 | |
| 470 |
| Thermal Conductivity, W/m-K | 180 | |
| 51 |
| Thermal Expansion, µm/m-K | 18 | |
| 12 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 42 | |
| 7.2 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 43 | |
| 8.3 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 29 | |
| 1.9 |
| Density, g/cm3 | 8.8 | |
| 7.8 |
| Embodied Carbon, kg CO2/kg material | 2.6 | |
| 1.4 |
| Embodied Energy, MJ/kg | 42 | |
| 19 |
| Embodied Water, L/kg | 310 | |
| 48 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 26 to 59 | |
| 78 to 110 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 28 to 420 | |
| 240 to 1040 |
| Stiffness to Weight: Axial, points | 7.1 | |
| 13 |
| Stiffness to Weight: Bending, points | 18 | |
| 24 |
| Strength to Weight: Axial, points | 8.7 to 13 | |
| 19 to 26 |
| Strength to Weight: Bending, points | 11 to 14 | |
| 19 to 23 |
| Thermal Diffusivity, mm2/s | 54 | |
| 14 |
| Thermal Shock Resistance, points | 9.6 to 15 | |
| 17 to 23 |
Alloy Composition
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| Carbon (C), % | 0 | |
| 0.38 to 0.43 |
| Copper (Cu), % | 87.5 to 90.5 | |
| 0 |
| Iron (Fe), % | 0 to 0.1 | |
| 97.2 to 97.9 |
| Lead (Pb), % | 1.3 to 2.5 | |
| 0 |
| Manganese (Mn), % | 0 | |
| 1.6 to 1.9 |
| Nickel (Ni), % | 0 to 0.7 | |
| 0 |
| Phosphorus (P), % | 0 | |
| 0 to 0.035 |
| Silicon (Si), % | 0 | |
| 0.15 to 0.35 |
| Sulfur (S), % | 0 | |
| 0 to 0.040 |
| Zinc (Zn), % | 5.8 to 11.2 | |
| 0 |
| Residuals, % | 0 to 0.4 | |
| 0 |