SAE-AISI A9 Steel vs. C24000 Brass
SAE-AISI A9 steel belongs to the iron alloys classification, while C24000 brass belongs to the copper alloys. There are 23 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 SAE-AISI A9 steel and the bottom bar is C24000 brass.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 190 | |
| 110 |
| Poisson's Ratio | 0.29 | |
| 0.32 |
| Shear Modulus, GPa | 74 | |
| 42 |
| Tensile Strength: Ultimate (UTS), MPa | 770 to 2030 | |
| 310 to 640 |
Thermal Properties
| Latent Heat of Fusion, J/g | 280 | |
| 190 |
| Melting Completion (Liquidus), °C | 1460 | |
| 1000 |
| Melting Onset (Solidus), °C | 1410 | |
| 970 |
| Specific Heat Capacity, J/kg-K | 470 | |
| 390 |
| Thermal Conductivity, W/m-K | 35 | |
| 140 |
| Thermal Expansion, µm/m-K | 12 | |
| 19 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 7.9 | |
| 32 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 9.2 | |
| 34 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 7.0 | |
| 27 |
| Density, g/cm3 | 7.8 | |
| 8.5 |
| Embodied Carbon, kg CO2/kg material | 4.7 | |
| 2.6 |
| Embodied Energy, MJ/kg | 70 | |
| 43 |
| Embodied Water, L/kg | 82 | |
| 320 |
Common Calculations
| Stiffness to Weight: Axial, points | 14 | |
| 7.2 |
| Stiffness to Weight: Bending, points | 25 | |
| 19 |
| Strength to Weight: Axial, points | 28 to 73 | |
| 10 to 21 |
| Strength to Weight: Bending, points | 24 to 46 | |
| 12 to 20 |
| Thermal Diffusivity, mm2/s | 9.6 | |
| 43 |
| Thermal Shock Resistance, points | 25 to 66 | |
| 10 to 22 |
Alloy Composition
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| Carbon (C), % | 0.45 to 0.55 | |
| 0 |
| Chromium (Cr), % | 4.8 to 5.5 | |
| 0 |
| Copper (Cu), % | 0 to 0.25 | |
| 78.5 to 81.5 |
| Iron (Fe), % | 87 to 90.5 | |
| 0 to 0.050 |
| Lead (Pb), % | 0 | |
| 0 to 0.050 |
| Manganese (Mn), % | 0 to 0.5 | |
| 0 |
| Molybdenum (Mo), % | 1.3 to 1.8 | |
| 0 |
| Nickel (Ni), % | 1.3 to 1.8 | |
| 0 |
| Phosphorus (P), % | 0 to 0.030 | |
| 0 |
| Silicon (Si), % | 1.0 to 1.2 | |
| 0 |
| Sulfur (S), % | 0 to 0.030 | |
| 0 |
| Vanadium (V), % | 0.8 to 1.4 | |
| 0 |
| Zinc (Zn), % | 0 | |
| 18.2 to 21.5 |
| Residuals, % | 0 | |
| 0 to 0.2 |