C68400 Brass vs. AISI 204 Stainless Steel
C68400 brass belongs to the copper alloys classification, while AISI 204 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 204 stainless steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Brinell Hardness | 150 | |
| 210 to 330 |
| Elastic (Young's, Tensile) Modulus, GPa | 110 | |
| 200 |
| Elongation at Break, % | 18 | |
| 23 to 39 |
| Poisson's Ratio | 0.31 | |
| 0.28 |
| Shear Modulus, GPa | 41 | |
| 77 |
| Shear Strength, MPa | 330 | |
| 500 to 700 |
| Tensile Strength: Ultimate (UTS), MPa | 540 | |
| 730 to 1100 |
| Tensile Strength: Yield (Proof), MPa | 310 | |
| 380 to 1080 |
Thermal Properties
| Latent Heat of Fusion, J/g | 210 | |
| 280 |
| Maximum Temperature: Mechanical, °C | 130 | |
| 850 |
| Melting Completion (Liquidus), °C | 840 | |
| 1410 |
| Melting Onset (Solidus), °C | 820 | |
| 1370 |
| Specific Heat Capacity, J/kg-K | 400 | |
| 480 |
| Thermal Conductivity, W/m-K | 66 | |
| 15 |
| Thermal Expansion, µm/m-K | 20 | |
| 17 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 87 | |
| 2.4 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 99 | |
| 2.9 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 23 | |
| 10 |
| Density, g/cm3 | 7.9 | |
| 7.7 |
| Embodied Carbon, kg CO2/kg material | 2.7 | |
| 2.4 |
| Embodied Energy, MJ/kg | 47 | |
| 35 |
| Embodied Water, L/kg | 320 | |
| 130 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 81 | |
| 240 to 250 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 460 | |
| 360 to 2940 |
| Stiffness to Weight: Axial, points | 7.5 | |
| 14 |
| Stiffness to Weight: Bending, points | 20 | |
| 25 |
| Strength to Weight: Axial, points | 19 | |
| 27 to 40 |
| Strength to Weight: Bending, points | 19 | |
| 24 to 31 |
| Thermal Diffusivity, mm2/s | 21 | |
| 4.1 |
| Thermal Shock Resistance, points | 18 | |
| 16 to 24 |
Alloy Composition
| Aluminum (Al), % | 0 to 0.5 | |
| 0 |
| Boron (B), % | 0.0010 to 0.030 | |
| 0 |
| Carbon (C), % | 0 | |
| 0 to 0.030 |
| Chromium (Cr), % | 0 | |
| 15 to 17 |
| Copper (Cu), % | 59 to 64 | |
| 0 |
| Iron (Fe), % | 0 to 1.0 | |
| 69.6 to 76.4 |
| Lead (Pb), % | 0 to 0.090 | |
| 0 |
| Manganese (Mn), % | 0.2 to 1.5 | |
| 7.0 to 9.0 |
| Nickel (Ni), % | 0 to 0.5 | |
| 1.5 to 3.0 |
| Nitrogen (N), % | 0 | |
| 0.15 to 0.3 |
| Phosphorus (P), % | 0.030 to 0.3 | |
| 0 to 0.040 |
| Silicon (Si), % | 1.5 to 2.5 | |
| 0 to 1.0 |
| 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 |