AISI 309 Stainless Steel vs. C47940 Brass
AISI 309 stainless steel belongs to the iron alloys classification, while C47940 brass belongs to the copper alloys. There are 27 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 AISI 309 stainless steel and the bottom bar is C47940 brass.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 200 | |
| 100 |
| Elongation at Break, % | 34 to 47 | |
| 14 to 34 |
| Poisson's Ratio | 0.27 | |
| 0.31 |
| Shear Modulus, GPa | 78 | |
| 40 |
| Shear Strength, MPa | 420 to 470 | |
| 250 to 310 |
| Tensile Strength: Ultimate (UTS), MPa | 600 to 710 | |
| 380 to 520 |
| Tensile Strength: Yield (Proof), MPa | 260 to 350 | |
| 160 to 390 |
Thermal Properties
| Latent Heat of Fusion, J/g | 290 | |
| 170 |
| Maximum Temperature: Mechanical, °C | 980 | |
| 130 |
| Melting Completion (Liquidus), °C | 1450 | |
| 850 |
| Melting Onset (Solidus), °C | 1400 | |
| 800 |
| Specific Heat Capacity, J/kg-K | 480 | |
| 380 |
| Thermal Conductivity, W/m-K | 16 | |
| 110 |
| Thermal Expansion, µm/m-K | 15 | |
| 20 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 19 | |
| 25 |
| Density, g/cm3 | 7.8 | |
| 8.2 |
| Embodied Carbon, kg CO2/kg material | 3.6 | |
| 2.8 |
| Embodied Energy, MJ/kg | 51 | |
| 47 |
| Embodied Water, L/kg | 170 | |
| 330 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 200 to 230 | |
| 68 to 100 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 170 to 310 | |
| 120 to 740 |
| Stiffness to Weight: Axial, points | 14 | |
| 7.1 |
| Stiffness to Weight: Bending, points | 25 | |
| 19 |
| Strength to Weight: Axial, points | 21 to 25 | |
| 13 to 17 |
| Strength to Weight: Bending, points | 20 to 23 | |
| 14 to 17 |
| Thermal Diffusivity, mm2/s | 4.3 | |
| 36 |
| Thermal Shock Resistance, points | 14 to 16 | |
| 13 to 17 |
Alloy Composition
| Carbon (C), % | 0 to 0.2 | |
| 0 |
| Chromium (Cr), % | 22 to 24 | |
| 0 |
| Copper (Cu), % | 0 | |
| 63 to 66 |
| Iron (Fe), % | 58 to 66 | |
| 0.1 to 1.0 |
| Lead (Pb), % | 0 | |
| 1.0 to 2.0 |
| Manganese (Mn), % | 0 to 2.0 | |
| 0 |
| Nickel (Ni), % | 12 to 15 | |
| 0.1 to 0.5 |
| Phosphorus (P), % | 0 to 0.045 | |
| 0 |
| Silicon (Si), % | 0 to 0.75 | |
| 0 |
| Sulfur (S), % | 0 to 0.030 | |
| 0 |
| Tin (Sn), % | 0 | |
| 1.2 to 2.0 |
| Zinc (Zn), % | 0 | |
| 28.1 to 34.6 |
| Residuals, % | 0 | |
| 0 to 0.4 |