C68800 Brass vs. AISI 440C Stainless Steel
C68800 brass belongs to the copper alloys classification, while AISI 440C stainless steel belongs to the iron alloys. There are 28 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.
For each property being compared, the top bar is C68800 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, % | 2.0 to 36 | |
| 2.0 to 14 |
| Poisson's Ratio | 0.32 | |
| 0.28 |
| Shear Modulus, GPa | 41 | |
| 76 |
| Shear Strength, MPa | 380 to 510 | |
| 430 to 1120 |
| Tensile Strength: Ultimate (UTS), MPa | 570 to 890 | |
| 710 to 1970 |
| Tensile Strength: Yield (Proof), MPa | 390 to 790 | |
| 450 to 1900 |
Thermal Properties
| Latent Heat of Fusion, J/g | 190 | |
| 280 |
| Maximum Temperature: Mechanical, °C | 160 | |
| 870 |
| Melting Completion (Liquidus), °C | 960 | |
| 1480 |
| Melting Onset (Solidus), °C | 950 | |
| 1370 |
| Specific Heat Capacity, J/kg-K | 400 | |
| 480 |
| Thermal Conductivity, W/m-K | 40 | |
| 22 |
| Thermal Expansion, µm/m-K | 19 | |
| 10 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 18 | |
| 2.4 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 20 | |
| 2.8 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 26 | |
| 9.0 |
| Density, g/cm3 | 8.2 | |
| 7.7 |
| Embodied Carbon, kg CO2/kg material | 2.8 | |
| 2.2 |
| Embodied Energy, MJ/kg | 48 | |
| 31 |
| Embodied Water, L/kg | 350 | |
| 120 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 16 to 180 | |
| 39 to 88 |
| Stiffness to Weight: Axial, points | 7.3 | |
| 14 |
| Stiffness to Weight: Bending, points | 19 | |
| 25 |
| Strength to Weight: Axial, points | 19 to 30 | |
| 26 to 71 |
| Strength to Weight: Bending, points | 19 to 25 | |
| 23 to 46 |
| Thermal Diffusivity, mm2/s | 12 | |
| 6.0 |
| Thermal Shock Resistance, points | 19 to 30 | |
| 26 to 71 |
Alloy Composition
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| Aluminum (Al), % | 3.0 to 3.8 | |
| 0 |
| Carbon (C), % | 0 | |
| 1.0 to 1.2 |
| Chromium (Cr), % | 0 | |
| 16 to 18 |
| Cobalt (Co), % | 0.25 to 0.55 | |
| 0 |
| Copper (Cu), % | 70.8 to 75.5 | |
| 0 |
| Iron (Fe), % | 0 to 0.2 | |
| 78 to 83.1 |
| Lead (Pb), % | 0 to 0.050 | |
| 0 |
| Manganese (Mn), % | 0 | |
| 0 to 1.0 |
| Molybdenum (Mo), % | 0 | |
| 0 to 0.75 |
| Phosphorus (P), % | 0 | |
| 0 to 0.040 |
| Silicon (Si), % | 0 | |
| 0 to 1.0 |
| Sulfur (S), % | 0 | |
| 0 to 0.015 |
| Zinc (Zn), % | 21.3 to 24.1 | |
| 0 |
| Residuals, % | 0 to 0.5 | |
| 0 |