C66700 Brass vs. ACI-ASTM CH20 Steel
C66700 brass belongs to the copper alloys classification, while ACI-ASTM CH20 steel belongs to the iron alloys. There are 28 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.
For each property being compared, the top bar is C66700 brass and the bottom bar is ACI-ASTM CH20 steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 110 | |
| 200 |
| Elongation at Break, % | 2.0 to 58 | |
| 38 |
| Poisson's Ratio | 0.31 | |
| 0.27 |
| Shear Modulus, GPa | 41 | |
| 78 |
| Tensile Strength: Ultimate (UTS), MPa | 340 to 690 | |
| 610 |
| Tensile Strength: Yield (Proof), MPa | 100 to 640 | |
| 350 |
Thermal Properties
| Latent Heat of Fusion, J/g | 180 | |
| 310 |
| Maximum Temperature: Mechanical, °C | 140 | |
| 1100 |
| Melting Completion (Liquidus), °C | 1090 | |
| 1410 |
| Melting Onset (Solidus), °C | 1050 | |
| 1430 |
| Specific Heat Capacity, J/kg-K | 390 | |
| 480 |
| Thermal Conductivity, W/m-K | 97 | |
| 14 |
| Thermal Expansion, µm/m-K | 20 | |
| 15 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 17 | |
| 2.0 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 19 | |
| 2.3 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 25 | |
| 20 |
| Density, g/cm3 | 8.2 | |
| 7.8 |
| Embodied Carbon, kg CO2/kg material | 2.7 | |
| 3.7 |
| Embodied Energy, MJ/kg | 45 | |
| 53 |
| Embodied Water, L/kg | 320 | |
| 180 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 13 to 150 | |
| 200 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 49 to 1900 | |
| 300 |
| Stiffness to Weight: Axial, points | 7.3 | |
| 14 |
| Stiffness to Weight: Bending, points | 19 | |
| 25 |
| Strength to Weight: Axial, points | 11 to 23 | |
| 22 |
| Strength to Weight: Bending, points | 13 to 21 | |
| 21 |
| Thermal Diffusivity, mm2/s | 30 | |
| 3.7 |
| Thermal Shock Resistance, points | 11 to 23 | |
| 15 |
Alloy Composition
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| Carbon (C), % | 0 | |
| 0 to 0.2 |
| Chromium (Cr), % | 0 | |
| 22 to 26 |
| Copper (Cu), % | 68.5 to 71.5 | |
| 0 |
| Iron (Fe), % | 0 to 0.1 | |
| 54.7 to 66 |
| Lead (Pb), % | 0 to 0.070 | |
| 0 |
| Manganese (Mn), % | 0.8 to 1.5 | |
| 0 to 1.5 |
| Molybdenum (Mo), % | 0 | |
| 0 to 0.5 |
| Nickel (Ni), % | 0 | |
| 12 to 15 |
| Phosphorus (P), % | 0 | |
| 0 to 0.040 |
| Silicon (Si), % | 0 | |
| 0 to 2.0 |
| Sulfur (S), % | 0 | |
| 0 to 0.040 |
| Zinc (Zn), % | 26.3 to 30.7 | |
| 0 |
| Residuals, % | 0 to 0.5 | |
| 0 |