C68400 Brass vs. AISI 304N Stainless Steel
C68400 brass belongs to the copper alloys classification, while AISI 304N stainless steel belongs to the iron alloys. There are 30 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.
For each property being compared, the top bar is C68400 brass and the bottom bar is AISI 304N stainless steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Brinell Hardness | 150 | |
| 190 to 360 |
| Elastic (Young's, Tensile) Modulus, GPa | 110 | |
| 200 |
| Elongation at Break, % | 18 | |
| 9.1 to 45 |
| Poisson's Ratio | 0.31 | |
| 0.28 |
| Shear Modulus, GPa | 41 | |
| 77 |
| Shear Strength, MPa | 330 | |
| 420 to 700 |
| Tensile Strength: Ultimate (UTS), MPa | 540 | |
| 620 to 1180 |
| Tensile Strength: Yield (Proof), MPa | 310 | |
| 270 to 850 |
Thermal Properties
| Latent Heat of Fusion, J/g | 210 | |
| 290 |
| Maximum Temperature: Mechanical, °C | 130 | |
| 960 |
| Melting Completion (Liquidus), °C | 840 | |
| 1420 |
| Melting Onset (Solidus), °C | 820 | |
| 1380 |
| Specific Heat Capacity, J/kg-K | 400 | |
| 480 |
| Thermal Conductivity, W/m-K | 66 | |
| 16 |
| Thermal Expansion, µm/m-K | 20 | |
| 16 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 87 | |
| 2.4 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 99 | |
| 2.7 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 23 | |
| 15 |
| Density, g/cm3 | 7.9 | |
| 7.8 |
| Embodied Carbon, kg CO2/kg material | 2.7 | |
| 3.0 |
| Embodied Energy, MJ/kg | 47 | |
| 43 |
| Embodied Water, L/kg | 320 | |
| 150 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 81 | |
| 98 to 280 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 460 | |
| 180 to 1830 |
| Stiffness to Weight: Axial, points | 7.5 | |
| 14 |
| Stiffness to Weight: Bending, points | 20 | |
| 25 |
| Strength to Weight: Axial, points | 19 | |
| 22 to 42 |
| Strength to Weight: Bending, points | 19 | |
| 21 to 32 |
| Thermal Diffusivity, mm2/s | 21 | |
| 4.2 |
| Thermal Shock Resistance, points | 18 | |
| 14 to 26 |
Alloy Composition
| Aluminum (Al), % | 0 to 0.5 | |
| 0 |
| Boron (B), % | 0.0010 to 0.030 | |
| 0 |
| Carbon (C), % | 0 | |
| 0 to 0.080 |
| Chromium (Cr), % | 0 | |
| 18 to 20 |
| Copper (Cu), % | 59 to 64 | |
| 0 |
| Iron (Fe), % | 0 to 1.0 | |
| 66.4 to 73.9 |
| Lead (Pb), % | 0 to 0.090 | |
| 0 |
| Manganese (Mn), % | 0.2 to 1.5 | |
| 0 to 2.0 |
| Nickel (Ni), % | 0 to 0.5 | |
| 8.0 to 10.5 |
| Nitrogen (N), % | 0 | |
| 0.1 to 0.16 |
| Phosphorus (P), % | 0.030 to 0.3 | |
| 0 to 0.045 |
| Silicon (Si), % | 1.5 to 2.5 | |
| 0 to 0.75 |
| Sulfur (S), % | 0 | |
| 0 to 0.030 |
| Tin (Sn), % | 0 to 0.5 | |
| 0 |
| Zinc (Zn), % | 28.6 to 39.3 | |
| 0 |
| Residuals, % | 0 to 0.5 | |
| 0 |