ASTM A372 Grade J Steel vs. C90300 Bronze
ASTM A372 grade J steel belongs to the iron alloys classification, while C90300 bronze belongs to the copper alloys. There are 28 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 ASTM A372 grade J steel and the bottom bar is C90300 bronze.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 190 | |
| 110 |
| Elongation at Break, % | 17 to 22 | |
| 22 |
| Poisson's Ratio | 0.29 | |
| 0.34 |
| Shear Modulus, GPa | 73 | |
| 41 |
| Tensile Strength: Ultimate (UTS), MPa | 650 to 1020 | |
| 330 |
| Tensile Strength: Yield (Proof), MPa | 430 to 850 | |
| 150 |
Thermal Properties
| Latent Heat of Fusion, J/g | 250 | |
| 190 |
| Maximum Temperature: Mechanical, °C | 420 | |
| 170 |
| Melting Completion (Liquidus), °C | 1460 | |
| 1000 |
| Melting Onset (Solidus), °C | 1420 | |
| 850 |
| Specific Heat Capacity, J/kg-K | 470 | |
| 370 |
| Thermal Conductivity, W/m-K | 44 | |
| 75 |
| Thermal Expansion, µm/m-K | 13 | |
| 18 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 7.3 | |
| 12 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 8.4 | |
| 12 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 2.4 | |
| 33 |
| Density, g/cm3 | 7.8 | |
| 8.7 |
| Embodied Carbon, kg CO2/kg material | 1.5 | |
| 3.4 |
| Embodied Energy, MJ/kg | 20 | |
| 56 |
| Embodied Water, L/kg | 51 | |
| 370 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 130 to 170 | |
| 59 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 500 to 1930 | |
| 110 |
| Stiffness to Weight: Axial, points | 13 | |
| 7.0 |
| Stiffness to Weight: Bending, points | 24 | |
| 18 |
| Strength to Weight: Axial, points | 23 to 36 | |
| 11 |
| Strength to Weight: Bending, points | 21 to 29 | |
| 12 |
| Thermal Diffusivity, mm2/s | 12 | |
| 23 |
| Thermal Shock Resistance, points | 19 to 30 | |
| 12 |
Alloy Composition
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| Aluminum (Al), % | 0 | |
| 0 to 0.0050 |
| Antimony (Sb), % | 0 | |
| 0 to 0.2 |
| Carbon (C), % | 0.35 to 0.5 | |
| 0 |
| Chromium (Cr), % | 0.8 to 1.2 | |
| 0 |
| Copper (Cu), % | 0 | |
| 86 to 89 |
| Iron (Fe), % | 96.7 to 97.8 | |
| 0 to 0.2 |
| Lead (Pb), % | 0 | |
| 0 to 0.3 |
| Manganese (Mn), % | 0.75 to 1.1 | |
| 0 |
| Molybdenum (Mo), % | 0.15 to 0.25 | |
| 0 |
| Nickel (Ni), % | 0 | |
| 0 to 1.0 |
| Phosphorus (P), % | 0 to 0.015 | |
| 0 to 1.5 |
| Silicon (Si), % | 0.15 to 0.35 | |
| 0 to 0.0050 |
| Sulfur (S), % | 0 to 0.010 | |
| 0 to 0.050 |
| Tin (Sn), % | 0 | |
| 7.5 to 9.0 |
| Zinc (Zn), % | 0 | |
| 3.0 to 5.0 |
| Residuals, % | 0 | |
| 0 to 0.6 |