C35300 Brass vs. S20431 Stainless Steel
C35300 brass belongs to the copper alloys classification, while S20431 stainless steel belongs to the iron alloys. There are 25 material properties with values for both materials. Properties with values for just one material (10, in this case) are not shown.
For each property being compared, the top bar is C35300 brass and the bottom bar is S20431 stainless steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 100 | |
| 200 |
| Poisson's Ratio | 0.31 | |
| 0.28 |
| Rockwell B Hardness | 53 to 91 | |
| 86 |
| Shear Modulus, GPa | 39 | |
| 76 |
| Tensile Strength: Ultimate (UTS), MPa | 340 to 650 | |
| 710 |
Thermal Properties
| Latent Heat of Fusion, J/g | 170 | |
| 280 |
| Maximum Temperature: Mechanical, °C | 120 | |
| 890 |
| Melting Completion (Liquidus), °C | 910 | |
| 1400 |
| Melting Onset (Solidus), °C | 890 | |
| 1360 |
| Specific Heat Capacity, J/kg-K | 380 | |
| 480 |
| Thermal Conductivity, W/m-K | 120 | |
| 15 |
| Thermal Expansion, µm/m-K | 21 | |
| 17 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 26 | |
| 2.4 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 29 | |
| 2.8 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 23 | |
| 12 |
| Density, g/cm3 | 8.1 | |
| 7.7 |
| Embodied Carbon, kg CO2/kg material | 2.6 | |
| 2.5 |
| Embodied Energy, MJ/kg | 45 | |
| 36 |
| Embodied Water, L/kg | 320 | |
| 140 |
Common Calculations
| Stiffness to Weight: Axial, points | 7.1 | |
| 14 |
| Stiffness to Weight: Bending, points | 19 | |
| 25 |
| Strength to Weight: Axial, points | 12 to 22 | |
| 25 |
| Strength to Weight: Bending, points | 13 to 21 | |
| 23 |
| Thermal Diffusivity, mm2/s | 38 | |
| 4.0 |
| Thermal Shock Resistance, points | 11 to 22 | |
| 15 |
Alloy Composition
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| Carbon (C), % | 0 | |
| 0 to 0.12 |
| Chromium (Cr), % | 0 | |
| 17 to 18 |
| Copper (Cu), % | 60 to 63 | |
| 1.5 to 3.5 |
| Iron (Fe), % | 0 to 0.1 | |
| 66.1 to 74.4 |
| Lead (Pb), % | 1.5 to 2.5 | |
| 0 |
| Manganese (Mn), % | 0 | |
| 5.0 to 7.0 |
| Nickel (Ni), % | 0 | |
| 2.0 to 4.0 |
| Nitrogen (N), % | 0 | |
| 0.1 to 0.25 |
| Phosphorus (P), % | 0 | |
| 0 to 0.045 |
| Silicon (Si), % | 0 | |
| 0 to 1.0 |
| Sulfur (S), % | 0 | |
| 0 to 0.030 |
| Zinc (Zn), % | 33.9 to 38.5 | |
| 0 |
| Residuals, % | 0 to 0.5 | |
| 0 |