ACI-ASTM CH20 Steel vs. C67000 Bronze
ACI-ASTM CH20 steel belongs to the iron alloys classification, while C67000 bronze belongs to the copper alloys. There are 28 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.
For each property being compared, the top bar is ACI-ASTM CH20 steel and the bottom bar is C67000 bronze.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 200 | |
| 110 |
| Elongation at Break, % | 38 | |
| 5.6 to 11 |
| Poisson's Ratio | 0.27 | |
| 0.31 |
| Shear Modulus, GPa | 78 | |
| 42 |
| Tensile Strength: Ultimate (UTS), MPa | 610 | |
| 660 to 880 |
| Tensile Strength: Yield (Proof), MPa | 350 | |
| 350 to 540 |
Thermal Properties
| Latent Heat of Fusion, J/g | 310 | |
| 190 |
| Maximum Temperature: Mechanical, °C | 1100 | |
| 160 |
| Melting Completion (Liquidus), °C | 1410 | |
| 900 |
| Melting Onset (Solidus), °C | 1430 | |
| 850 |
| Specific Heat Capacity, J/kg-K | 480 | |
| 410 |
| Thermal Conductivity, W/m-K | 14 | |
| 99 |
| Thermal Expansion, µm/m-K | 15 | |
| 20 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 2.0 | |
| 22 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 2.3 | |
| 25 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 20 | |
| 23 |
| Density, g/cm3 | 7.8 | |
| 7.9 |
| Embodied Carbon, kg CO2/kg material | 3.7 | |
| 2.9 |
| Embodied Energy, MJ/kg | 53 | |
| 49 |
| Embodied Water, L/kg | 180 | |
| 350 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 200 | |
| 43 to 62 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 300 | |
| 560 to 1290 |
| Stiffness to Weight: Axial, points | 14 | |
| 7.8 |
| Stiffness to Weight: Bending, points | 25 | |
| 20 |
| Strength to Weight: Axial, points | 22 | |
| 23 to 31 |
| Strength to Weight: Bending, points | 21 | |
| 21 to 26 |
| Thermal Diffusivity, mm2/s | 3.7 | |
| 30 |
| Thermal Shock Resistance, points | 15 | |
| 21 to 29 |
Alloy Composition
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| Aluminum (Al), % | 0 | |
| 3.0 to 6.0 |
| Carbon (C), % | 0 to 0.2 | |
| 0 |
| Chromium (Cr), % | 22 to 26 | |
| 0 |
| Copper (Cu), % | 0 | |
| 63 to 68 |
| Iron (Fe), % | 54.7 to 66 | |
| 2.0 to 4.0 |
| Lead (Pb), % | 0 | |
| 0 to 0.2 |
| Manganese (Mn), % | 0 to 1.5 | |
| 2.5 to 5.0 |
| Molybdenum (Mo), % | 0 to 0.5 | |
| 0 |
| Nickel (Ni), % | 12 to 15 | |
| 0 |
| Phosphorus (P), % | 0 to 0.040 | |
| 0 |
| Silicon (Si), % | 0 to 2.0 | |
| 0 |
| Sulfur (S), % | 0 to 0.040 | |
| 0 |
| Tin (Sn), % | 0 | |
| 0 to 0.5 |
| Zinc (Zn), % | 0 | |
| 21.8 to 32.5 |
| Residuals, % | 0 | |
| 0 to 0.5 |