C38500 Bronze vs. SAE-AISI 1070 Steel
C38500 bronze belongs to the copper alloys classification, while SAE-AISI 1070 steel belongs to the iron alloys. There are 29 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.
For each property being compared, the top bar is C38500 bronze and the bottom bar is SAE-AISI 1070 steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 100 | |
| 190 |
| Elongation at Break, % | 17 | |
| 10 to 13 |
| Poisson's Ratio | 0.31 | |
| 0.29 |
| Shear Modulus, GPa | 37 | |
| 72 |
| Shear Strength, MPa | 230 | |
| 380 to 460 |
| Tensile Strength: Ultimate (UTS), MPa | 370 | |
| 640 to 760 |
| Tensile Strength: Yield (Proof), MPa | 130 | |
| 420 to 560 |
Thermal Properties
| Latent Heat of Fusion, J/g | 160 | |
| 250 |
| Maximum Temperature: Mechanical, °C | 110 | |
| 400 |
| Melting Completion (Liquidus), °C | 890 | |
| 1460 |
| Melting Onset (Solidus), °C | 880 | |
| 1420 |
| Specific Heat Capacity, J/kg-K | 380 | |
| 470 |
| Thermal Conductivity, W/m-K | 120 | |
| 50 |
| Thermal Expansion, µm/m-K | 21 | |
| 12 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 28 | |
| 10 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 31 | |
| 12 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 22 | |
| 1.8 |
| Density, g/cm3 | 8.1 | |
| 7.8 |
| Embodied Carbon, kg CO2/kg material | 2.6 | |
| 1.4 |
| Embodied Energy, MJ/kg | 45 | |
| 19 |
| Embodied Water, L/kg | 320 | |
| 46 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 48 | |
| 59 to 86 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 78 | |
| 470 to 850 |
| Stiffness to Weight: Axial, points | 7.0 | |
| 13 |
| Stiffness to Weight: Bending, points | 19 | |
| 24 |
| Strength to Weight: Axial, points | 13 | |
| 23 to 27 |
| Strength to Weight: Bending, points | 14 | |
| 21 to 24 |
| Thermal Diffusivity, mm2/s | 40 | |
| 14 |
| Thermal Shock Resistance, points | 12 | |
| 21 to 25 |
Alloy Composition
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| Carbon (C), % | 0 | |
| 0.65 to 0.75 |
| Copper (Cu), % | 55 to 59 | |
| 0 |
| Iron (Fe), % | 0 to 0.35 | |
| 98.3 to 98.8 |
| Lead (Pb), % | 2.5 to 3.5 | |
| 0 |
| Manganese (Mn), % | 0 | |
| 0.6 to 0.9 |
| Phosphorus (P), % | 0 | |
| 0 to 0.040 |
| Sulfur (S), % | 0 | |
| 0 to 0.050 |
| Zinc (Zn), % | 36.7 to 42.5 | |
| 0 |
| Residuals, % | 0 to 0.5 | |
| 0 |