C87400 Brass vs. AISI 440C Stainless Steel
C87400 brass belongs to the copper alloys classification, while AISI 440C stainless steel belongs to the iron alloys. There are 27 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 C87400 brass and the bottom bar is AISI 440C stainless steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 110 | |
| 200 |
| Elongation at Break, % | 21 | |
| 2.0 to 14 |
| Poisson's Ratio | 0.33 | |
| 0.28 |
| Shear Modulus, GPa | 41 | |
| 76 |
| Tensile Strength: Ultimate (UTS), MPa | 390 | |
| 710 to 1970 |
| Tensile Strength: Yield (Proof), MPa | 160 | |
| 450 to 1900 |
Thermal Properties
| Latent Heat of Fusion, J/g | 250 | |
| 280 |
| Maximum Temperature: Mechanical, °C | 170 | |
| 870 |
| Melting Completion (Liquidus), °C | 920 | |
| 1480 |
| Melting Onset (Solidus), °C | 820 | |
| 1370 |
| Specific Heat Capacity, J/kg-K | 400 | |
| 480 |
| Thermal Conductivity, W/m-K | 28 | |
| 22 |
| Thermal Expansion, µm/m-K | 18 | |
| 10 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 6.7 | |
| 2.4 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 7.2 | |
| 2.8 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 27 | |
| 9.0 |
| Density, g/cm3 | 8.3 | |
| 7.7 |
| Embodied Carbon, kg CO2/kg material | 2.7 | |
| 2.2 |
| Embodied Energy, MJ/kg | 44 | |
| 31 |
| Embodied Water, L/kg | 310 | |
| 120 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 65 | |
| 39 to 88 |
| Stiffness to Weight: Axial, points | 7.4 | |
| 14 |
| Stiffness to Weight: Bending, points | 19 | |
| 25 |
| Strength to Weight: Axial, points | 13 | |
| 26 to 71 |
| Strength to Weight: Bending, points | 14 | |
| 23 to 46 |
| Thermal Diffusivity, mm2/s | 8.3 | |
| 6.0 |
| Thermal Shock Resistance, points | 14 | |
| 26 to 71 |
Alloy Composition
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| Aluminum (Al), % | 0 to 0.8 | |
| 0 |
| Carbon (C), % | 0 | |
| 1.0 to 1.2 |
| Chromium (Cr), % | 0 | |
| 16 to 18 |
| Copper (Cu), % | 79 to 85.5 | |
| 0 |
| Iron (Fe), % | 0 | |
| 78 to 83.1 |
| Lead (Pb), % | 0 to 1.0 | |
| 0 |
| Manganese (Mn), % | 0 | |
| 0 to 1.0 |
| Molybdenum (Mo), % | 0 | |
| 0 to 0.75 |
| Phosphorus (P), % | 0 | |
| 0 to 0.040 |
| Silicon (Si), % | 2.5 to 4.0 | |
| 0 to 1.0 |
| Sulfur (S), % | 0 | |
| 0 to 0.015 |
| Zinc (Zn), % | 12 to 16 | |
| 0 |
| Residuals, % | 0 to 0.8 | |
| 0 |