C99750 Brass vs. AISI 309 Stainless Steel
C99750 brass belongs to the copper alloys classification, while AISI 309 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 C99750 brass and the bottom bar is AISI 309 stainless steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Brinell Hardness | 110 to 120 | |
| 180 to 210 |
| Elastic (Young's, Tensile) Modulus, GPa | 130 | |
| 200 |
| Elongation at Break, % | 20 to 30 | |
| 34 to 47 |
| Poisson's Ratio | 0.32 | |
| 0.27 |
| Rockwell B Hardness | 77 to 82 | |
| 84 |
| Shear Modulus, GPa | 48 | |
| 78 |
| Tensile Strength: Ultimate (UTS), MPa | 450 to 520 | |
| 600 to 710 |
| Tensile Strength: Yield (Proof), MPa | 220 to 280 | |
| 260 to 350 |
Thermal Properties
| Latent Heat of Fusion, J/g | 200 | |
| 290 |
| Maximum Temperature: Mechanical, °C | 160 | |
| 980 |
| Melting Completion (Liquidus), °C | 840 | |
| 1450 |
| Melting Onset (Solidus), °C | 820 | |
| 1400 |
| Specific Heat Capacity, J/kg-K | 410 | |
| 480 |
| Thermal Expansion, µm/m-K | 20 | |
| 15 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 2.0 | |
| 2.2 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 2.2 | |
| 2.5 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 23 | |
| 19 |
| Density, g/cm3 | 8.1 | |
| 7.8 |
| Embodied Carbon, kg CO2/kg material | 3.1 | |
| 3.6 |
| Embodied Energy, MJ/kg | 51 | |
| 51 |
| Embodied Water, L/kg | 310 | |
| 170 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 87 to 110 | |
| 200 to 230 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 190 to 300 | |
| 170 to 310 |
| Stiffness to Weight: Axial, points | 8.6 | |
| 14 |
| Stiffness to Weight: Bending, points | 21 | |
| 25 |
| Strength to Weight: Axial, points | 15 to 18 | |
| 21 to 25 |
| Strength to Weight: Bending, points | 16 to 18 | |
| 20 to 23 |
| Thermal Shock Resistance, points | 13 to 15 | |
| 14 to 16 |
Alloy Composition
| Aluminum (Al), % | 0.25 to 3.0 | |
| 0 |
| Carbon (C), % | 0 | |
| 0 to 0.2 |
| Chromium (Cr), % | 0 | |
| 22 to 24 |
| Copper (Cu), % | 55 to 61 | |
| 0 |
| Iron (Fe), % | 0 to 1.0 | |
| 58 to 66 |
| Lead (Pb), % | 0.5 to 2.5 | |
| 0 |
| Manganese (Mn), % | 17 to 23 | |
| 0 to 2.0 |
| Nickel (Ni), % | 0 to 5.0 | |
| 12 to 15 |
| Phosphorus (P), % | 0 | |
| 0 to 0.045 |
| Silicon (Si), % | 0 | |
| 0 to 0.75 |
| Sulfur (S), % | 0 | |
| 0 to 0.030 |
| Zinc (Zn), % | 17 to 23 | |
| 0 |
| Residuals, % | 0 to 0.3 | |
| 0 |