SAE-AISI 4130 Steel vs. C38500 Bronze
SAE-AISI 4130 steel belongs to the iron alloys classification, while C38500 bronze belongs to the copper 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 SAE-AISI 4130 steel and the bottom bar is C38500 bronze.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 190 | |
| 100 |
| Elongation at Break, % | 13 to 26 | |
| 17 |
| Poisson's Ratio | 0.29 | |
| 0.31 |
| Shear Modulus, GPa | 73 | |
| 37 |
| Shear Strength, MPa | 340 to 640 | |
| 230 |
| Tensile Strength: Ultimate (UTS), MPa | 530 to 1040 | |
| 370 |
| Tensile Strength: Yield (Proof), MPa | 440 to 980 | |
| 130 |
Thermal Properties
| Latent Heat of Fusion, J/g | 250 | |
| 160 |
| Maximum Temperature: Mechanical, °C | 420 | |
| 110 |
| Melting Completion (Liquidus), °C | 1460 | |
| 890 |
| Melting Onset (Solidus), °C | 1420 | |
| 880 |
| Specific Heat Capacity, J/kg-K | 470 | |
| 380 |
| Thermal Conductivity, W/m-K | 43 | |
| 120 |
| Thermal Expansion, µm/m-K | 13 | |
| 21 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 7.2 | |
| 28 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 8.3 | |
| 31 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 2.4 | |
| 22 |
| Density, g/cm3 | 7.8 | |
| 8.1 |
| Embodied Carbon, kg CO2/kg material | 1.5 | |
| 2.6 |
| Embodied Energy, MJ/kg | 20 | |
| 45 |
| Embodied Water, L/kg | 50 | |
| 320 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 83 to 180 | |
| 48 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 500 to 2550 | |
| 78 |
| Stiffness to Weight: Axial, points | 13 | |
| 7.0 |
| Stiffness to Weight: Bending, points | 24 | |
| 19 |
| Strength to Weight: Axial, points | 19 to 37 | |
| 13 |
| Strength to Weight: Bending, points | 19 to 29 | |
| 14 |
| Thermal Diffusivity, mm2/s | 12 | |
| 40 |
| Thermal Shock Resistance, points | 16 to 31 | |
| 12 |
Alloy Composition
| Carbon (C), % | 0.28 to 0.33 | |
| 0 |
| Chromium (Cr), % | 0.8 to 1.1 | |
| 0 |
| Copper (Cu), % | 0 | |
| 55 to 59 |
| Iron (Fe), % | 97.3 to 98.2 | |
| 0 to 0.35 |
| Lead (Pb), % | 0 | |
| 2.5 to 3.5 |
| Manganese (Mn), % | 0.4 to 0.6 | |
| 0 |
| Molybdenum (Mo), % | 0.15 to 0.25 | |
| 0 |
| Phosphorus (P), % | 0 to 0.035 | |
| 0 |
| Silicon (Si), % | 0.15 to 0.35 | |
| 0 |
| Sulfur (S), % | 0 to 0.040 | |
| 0 |
| Zinc (Zn), % | 0 | |
| 36.7 to 42.5 |
| Residuals, % | 0 | |
| 0 to 0.5 |