C87300 Bronze vs. SAE-AISI A4 Steel
C87300 bronze belongs to the copper alloys classification, while SAE-AISI A4 steel belongs to the iron alloys. There are 23 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 C87300 bronze and the bottom bar is SAE-AISI A4 steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 120 | |
| 190 |
| Poisson's Ratio | 0.34 | |
| 0.29 |
| Shear Modulus, GPa | 43 | |
| 73 |
| Tensile Strength: Ultimate (UTS), MPa | 350 | |
| 710 to 2050 |
Thermal Properties
| Latent Heat of Fusion, J/g | 280 | |
| 250 |
| Melting Completion (Liquidus), °C | 970 | |
| 1450 |
| Melting Onset (Solidus), °C | 820 | |
| 1410 |
| Specific Heat Capacity, J/kg-K | 410 | |
| 470 |
| Thermal Conductivity, W/m-K | 28 | |
| 40 |
| Thermal Expansion, µm/m-K | 17 | |
| 12 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 6.1 | |
| 7.4 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 6.4 | |
| 8.6 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 29 | |
| 3.9 |
| Density, g/cm3 | 8.6 | |
| 7.8 |
| Embodied Carbon, kg CO2/kg material | 2.7 | |
| 1.8 |
| Embodied Energy, MJ/kg | 42 | |
| 24 |
| Embodied Water, L/kg | 300 | |
| 59 |
Common Calculations
| Stiffness to Weight: Axial, points | 7.5 | |
| 13 |
| Stiffness to Weight: Bending, points | 19 | |
| 24 |
| Strength to Weight: Axial, points | 11 | |
| 25 to 73 |
| Strength to Weight: Bending, points | 13 | |
| 23 to 46 |
| Thermal Diffusivity, mm2/s | 8.0 | |
| 11 |
| Thermal Shock Resistance, points | 13 | |
| 23 to 67 |
Alloy Composition
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| Carbon (C), % | 0 | |
| 1.0 to 1.1 |
| Chromium (Cr), % | 0 | |
| 0.9 to 2.2 |
| Copper (Cu), % | 94 to 95.7 | |
| 0 to 0.25 |
| Iron (Fe), % | 0 to 0.2 | |
| 92 to 95.5 |
| Lead (Pb), % | 0 to 0.2 | |
| 0 |
| Manganese (Mn), % | 0.8 to 1.5 | |
| 1.8 to 2.2 |
| Molybdenum (Mo), % | 0 | |
| 0.9 to 1.4 |
| Nickel (Ni), % | 0 | |
| 0 to 0.3 |
| Phosphorus (P), % | 0 | |
| 0 to 0.030 |
| Silicon (Si), % | 3.5 to 5.0 | |
| 0 to 0.5 |
| Sulfur (S), % | 0 | |
| 0 to 0.030 |
| Zinc (Zn), % | 0 to 0.25 | |
| 0 |
| Residuals, % | 0 to 0.5 | |
| 0 |