C68000 Brass vs. AISI 440B Stainless Steel
C68000 brass belongs to the copper alloys classification, while AISI 440B stainless steel belongs to the iron alloys. There are 25 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.
For each property being compared, the top bar is C68000 brass and the bottom bar is AISI 440B stainless steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 100 | |
| 200 |
| Elongation at Break, % | 27 | |
| 3.0 to 18 |
| Poisson's Ratio | 0.3 | |
| 0.28 |
| Shear Modulus, GPa | 40 | |
| 77 |
| Tensile Strength: Ultimate (UTS), MPa | 390 | |
| 740 to 1930 |
| Tensile Strength: Yield (Proof), MPa | 140 | |
| 430 to 1860 |
Thermal Properties
| Latent Heat of Fusion, J/g | 170 | |
| 280 |
| Maximum Temperature: Mechanical, °C | 120 | |
| 870 |
| Melting Completion (Liquidus), °C | 880 | |
| 1480 |
| Melting Onset (Solidus), °C | 870 | |
| 1370 |
| Specific Heat Capacity, J/kg-K | 390 | |
| 480 |
| Thermal Conductivity, W/m-K | 96 | |
| 23 |
| Thermal Expansion, µm/m-K | 21 | |
| 10 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 23 | |
| 9.0 |
| Density, g/cm3 | 8.0 | |
| 7.7 |
| Embodied Carbon, kg CO2/kg material | 2.8 | |
| 2.2 |
| Embodied Energy, MJ/kg | 48 | |
| 31 |
| Embodied Water, L/kg | 330 | |
| 120 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 82 | |
| 57 to 110 |
| Stiffness to Weight: Axial, points | 7.3 | |
| 14 |
| Stiffness to Weight: Bending, points | 20 | |
| 25 |
| Strength to Weight: Axial, points | 14 | |
| 27 to 70 |
| Strength to Weight: Bending, points | 15 | |
| 24 to 45 |
| Thermal Diffusivity, mm2/s | 31 | |
| 6.1 |
| Thermal Shock Resistance, points | 13 | |
| 27 to 70 |
Alloy Composition
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| Aluminum (Al), % | 0 to 0.010 | |
| 0 |
| Carbon (C), % | 0 | |
| 0.75 to 1.0 |
| Chromium (Cr), % | 0 | |
| 16 to 18 |
| Copper (Cu), % | 56 to 60 | |
| 0 |
| Iron (Fe), % | 0.25 to 1.3 | |
| 78.2 to 83.3 |
| Lead (Pb), % | 0 to 0.050 | |
| 0 |
| Manganese (Mn), % | 0.010 to 0.5 | |
| 0 to 1.0 |
| Molybdenum (Mo), % | 0 | |
| 0 to 0.75 |
| Nickel (Ni), % | 0.2 to 0.8 | |
| 0 |
| Phosphorus (P), % | 0 | |
| 0 to 0.040 |
| Silicon (Si), % | 0.040 to 0.15 | |
| 0 to 1.0 |
| Sulfur (S), % | 0 | |
| 0 to 0.015 |
| Tin (Sn), % | 0.75 to 1.1 | |
| 0 |
| Zinc (Zn), % | 35.6 to 42.8 | |
| 0 |
| Residuals, % | 0 to 0.5 | |
| 0 |