C31400 Bronze vs. ASTM A372 Grade J Steel
C31400 bronze belongs to the copper alloys classification, while ASTM A372 grade J 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 ASTM A372 grade J steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 110 | |
| 190 |
| Elongation at Break, % | 6.8 to 29 | |
| 17 to 22 |
| Poisson's Ratio | 0.33 | |
| 0.29 |
| Shear Modulus, GPa | 42 | |
| 73 |
| Shear Strength, MPa | 180 to 240 | |
| 410 to 630 |
| Tensile Strength: Ultimate (UTS), MPa | 270 to 420 | |
| 650 to 1020 |
| Tensile Strength: Yield (Proof), MPa | 78 to 310 | |
| 430 to 850 |
Thermal Properties
| Latent Heat of Fusion, J/g | 200 | |
| 250 |
| Maximum Temperature: Mechanical, °C | 180 | |
| 420 |
| Melting Completion (Liquidus), °C | 1040 | |
| 1460 |
| Melting Onset (Solidus), °C | 1010 | |
| 1420 |
| Specific Heat Capacity, J/kg-K | 380 | |
| 470 |
| Thermal Conductivity, W/m-K | 180 | |
| 44 |
| Thermal Expansion, µm/m-K | 18 | |
| 13 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 42 | |
| 7.3 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 43 | |
| 8.4 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 29 | |
| 2.4 |
| Density, g/cm3 | 8.8 | |
| 7.8 |
| Embodied Carbon, kg CO2/kg material | 2.6 | |
| 1.5 |
| Embodied Energy, MJ/kg | 42 | |
| 20 |
| Embodied Water, L/kg | 310 | |
| 51 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 26 to 59 | |
| 130 to 170 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 28 to 420 | |
| 500 to 1930 |
| Stiffness to Weight: Axial, points | 7.1 | |
| 13 |
| Stiffness to Weight: Bending, points | 18 | |
| 24 |
| Strength to Weight: Axial, points | 8.7 to 13 | |
| 23 to 36 |
| Strength to Weight: Bending, points | 11 to 14 | |
| 21 to 29 |
| Thermal Diffusivity, mm2/s | 54 | |
| 12 |
| Thermal Shock Resistance, points | 9.6 to 15 | |
| 19 to 30 |
Alloy Composition
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| Carbon (C), % | 0 | |
| 0.35 to 0.5 |
| Chromium (Cr), % | 0 | |
| 0.8 to 1.2 |
| Copper (Cu), % | 87.5 to 90.5 | |
| 0 |
| Iron (Fe), % | 0 to 0.1 | |
| 96.7 to 97.8 |
| Lead (Pb), % | 1.3 to 2.5 | |
| 0 |
| Manganese (Mn), % | 0 | |
| 0.75 to 1.1 |
| Molybdenum (Mo), % | 0 | |
| 0.15 to 0.25 |
| Nickel (Ni), % | 0 to 0.7 | |
| 0 |
| Phosphorus (P), % | 0 | |
| 0 to 0.015 |
| Silicon (Si), % | 0 | |
| 0.15 to 0.35 |
| Sulfur (S), % | 0 | |
| 0 to 0.010 |
| Zinc (Zn), % | 5.8 to 11.2 | |
| 0 |
| Residuals, % | 0 to 0.4 | |
| 0 |