C95400 Bronze vs. SAE-AISI 4340 Steel
C95400 bronze belongs to the copper alloys classification, while SAE-AISI 4340 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 C95400 bronze and the bottom bar is SAE-AISI 4340 steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Brinell Hardness | 160 to 200 | |
| 210 to 360 |
| Elastic (Young's, Tensile) Modulus, GPa | 110 | |
| 190 |
| Elongation at Break, % | 8.1 to 16 | |
| 12 to 22 |
| Poisson's Ratio | 0.34 | |
| 0.29 |
| Shear Modulus, GPa | 43 | |
| 73 |
| Tensile Strength: Ultimate (UTS), MPa | 600 to 710 | |
| 690 to 1280 |
| Tensile Strength: Yield (Proof), MPa | 240 to 360 | |
| 470 to 1150 |
Thermal Properties
| Latent Heat of Fusion, J/g | 230 | |
| 250 |
| Maximum Temperature: Mechanical, °C | 230 | |
| 430 |
| Melting Completion (Liquidus), °C | 1040 | |
| 1460 |
| Melting Onset (Solidus), °C | 1030 | |
| 1420 |
| Specific Heat Capacity, J/kg-K | 440 | |
| 470 |
| Thermal Conductivity, W/m-K | 59 | |
| 44 |
| Thermal Expansion, µm/m-K | 18 | |
| 13 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 13 | |
| 7.5 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 14 | |
| 8.6 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 27 | |
| 3.5 |
| Density, g/cm3 | 8.2 | |
| 7.8 |
| Embodied Carbon, kg CO2/kg material | 3.2 | |
| 1.7 |
| Embodied Energy, MJ/kg | 53 | |
| 22 |
| Embodied Water, L/kg | 390 | |
| 53 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 48 to 75 | |
| 79 to 170 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 250 to 560 | |
| 590 to 3490 |
| Stiffness to Weight: Axial, points | 7.7 | |
| 13 |
| Stiffness to Weight: Bending, points | 20 | |
| 24 |
| Strength to Weight: Axial, points | 20 to 24 | |
| 24 to 45 |
| Strength to Weight: Bending, points | 19 to 22 | |
| 22 to 33 |
| Thermal Diffusivity, mm2/s | 16 | |
| 12 |
| Thermal Shock Resistance, points | 21 to 25 | |
| 20 to 38 |
Alloy Composition
| Aluminum (Al), % | 10 to 11.5 | |
| 0 |
| Carbon (C), % | 0 | |
| 0.38 to 0.43 |
| Chromium (Cr), % | 0 | |
| 0.7 to 0.9 |
| Copper (Cu), % | 83 to 87 | |
| 0 |
| Iron (Fe), % | 3.0 to 5.0 | |
| 95.1 to 96.3 |
| Manganese (Mn), % | 0 to 0.5 | |
| 0.6 to 0.8 |
| Molybdenum (Mo), % | 0 | |
| 0.2 to 0.3 |
| Nickel (Ni), % | 0 to 1.5 | |
| 1.7 to 2.0 |
| Phosphorus (P), % | 0 | |
| 0 to 0.035 |
| Silicon (Si), % | 0 | |
| 0.15 to 0.35 |
| Sulfur (S), % | 0 | |
| 0 to 0.040 |
| Residuals, % | 0 to 0.5 | |
| 0 |