C68300 Brass vs. AISI 309H Stainless Steel
C68300 brass belongs to the copper alloys classification, while AISI 309H stainless steel belongs to the iron alloys. There are 28 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.
For each property being compared, the top bar is C68300 brass and the bottom bar is AISI 309H stainless steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 100 | |
| 200 |
| Elongation at Break, % | 15 | |
| 40 |
| Poisson's Ratio | 0.31 | |
| 0.27 |
| Rockwell B Hardness | 60 | |
| 82 |
| Shear Modulus, GPa | 40 | |
| 78 |
| Shear Strength, MPa | 260 | |
| 400 |
| Tensile Strength: Ultimate (UTS), MPa | 430 | |
| 580 |
| Tensile Strength: Yield (Proof), MPa | 260 | |
| 230 |
Thermal Properties
| Latent Heat of Fusion, J/g | 180 | |
| 290 |
| Maximum Temperature: Mechanical, °C | 120 | |
| 1080 |
| Melting Completion (Liquidus), °C | 900 | |
| 1420 |
| Melting Onset (Solidus), °C | 890 | |
| 1370 |
| Specific Heat Capacity, J/kg-K | 390 | |
| 480 |
| Thermal Conductivity, W/m-K | 120 | |
| 15 |
| Thermal Expansion, µm/m-K | 20 | |
| 16 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 23 | |
| 19 |
| Density, g/cm3 | 8.0 | |
| 7.8 |
| Embodied Carbon, kg CO2/kg material | 2.8 | |
| 3.6 |
| Embodied Energy, MJ/kg | 46 | |
| 51 |
| Embodied Water, L/kg | 340 | |
| 170 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 56 | |
| 190 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 330 | |
| 130 |
| Stiffness to Weight: Axial, points | 7.3 | |
| 14 |
| Stiffness to Weight: Bending, points | 20 | |
| 25 |
| Strength to Weight: Axial, points | 15 | |
| 21 |
| Strength to Weight: Bending, points | 16 | |
| 20 |
| Thermal Diffusivity, mm2/s | 38 | |
| 4.0 |
| Thermal Shock Resistance, points | 14 | |
| 13 |
Alloy Composition
| Antimony (Sb), % | 0.3 to 1.0 | |
| 0 |
| Cadmium (Cd), % | 0 to 0.010 | |
| 0 |
| Carbon (C), % | 0 | |
| 0.040 to 0.1 |
| Chromium (Cr), % | 0 | |
| 22 to 24 |
| Copper (Cu), % | 59 to 63 | |
| 0 |
| Iron (Fe), % | 0 | |
| 58.1 to 66 |
| Lead (Pb), % | 0 to 0.090 | |
| 0 |
| Manganese (Mn), % | 0 | |
| 0 to 2.0 |
| Nickel (Ni), % | 0 | |
| 12 to 15 |
| Phosphorus (P), % | 0 | |
| 0 to 0.045 |
| Silicon (Si), % | 0.3 to 1.0 | |
| 0 to 0.75 |
| Sulfur (S), % | 0 | |
| 0 to 0.030 |
| Tin (Sn), % | 0.050 to 0.2 | |
| 0 |
| Zinc (Zn), % | 34.2 to 40.4 | |
| 0 |
| Residuals, % | 0 to 0.5 | |
| 0 |