AISI 304 Stainless Steel vs. C34500 Brass
AISI 304 stainless steel belongs to the iron alloys classification, while C34500 brass belongs to the copper alloys. There are 29 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.
For each property being compared, the top bar is AISI 304 stainless steel and the bottom bar is C34500 brass.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 200 | |
| 100 |
| Elongation at Break, % | 8.0 to 43 | |
| 12 to 28 |
| Poisson's Ratio | 0.28 | |
| 0.31 |
| Shear Modulus, GPa | 77 | |
| 40 |
| Shear Strength, MPa | 400 to 690 | |
| 220 to 260 |
| Tensile Strength: Ultimate (UTS), MPa | 580 to 1180 | |
| 340 to 430 |
| Tensile Strength: Yield (Proof), MPa | 230 to 860 | |
| 120 to 180 |
Thermal Properties
| Latent Heat of Fusion, J/g | 290 | |
| 170 |
| Maximum Temperature: Mechanical, °C | 710 | |
| 120 |
| Melting Completion (Liquidus), °C | 1450 | |
| 910 |
| Melting Onset (Solidus), °C | 1400 | |
| 890 |
| Specific Heat Capacity, J/kg-K | 480 | |
| 380 |
| Thermal Conductivity, W/m-K | 16 | |
| 120 |
| Thermal Expansion, µm/m-K | 17 | |
| 21 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 2.4 | |
| 26 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 2.7 | |
| 29 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 15 | |
| 24 |
| Density, g/cm3 | 7.8 | |
| 8.2 |
| Embodied Carbon, kg CO2/kg material | 3.0 | |
| 2.6 |
| Embodied Energy, MJ/kg | 43 | |
| 45 |
| Embodied Water, L/kg | 150 | |
| 320 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 86 to 250 | |
| 42 to 75 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 140 to 1870 | |
| 69 to 160 |
| Stiffness to Weight: Axial, points | 14 | |
| 7.1 |
| Stiffness to Weight: Bending, points | 25 | |
| 19 |
| Strength to Weight: Axial, points | 21 to 42 | |
| 12 to 15 |
| Strength to Weight: Bending, points | 20 to 32 | |
| 13 to 16 |
| Thermal Diffusivity, mm2/s | 4.2 | |
| 37 |
| Thermal Shock Resistance, points | 12 to 25 | |
| 11 to 14 |
Alloy Composition
| Carbon (C), % | 0 to 0.080 | |
| 0 |
| Chromium (Cr), % | 18 to 20 | |
| 0 |
| Copper (Cu), % | 0 | |
| 62 to 65 |
| Iron (Fe), % | 66.5 to 74 | |
| 0 to 0.15 |
| Lead (Pb), % | 0 | |
| 1.5 to 2.5 |
| Manganese (Mn), % | 0 to 2.0 | |
| 0 |
| Nickel (Ni), % | 8.0 to 10.5 | |
| 0 |
| Nitrogen (N), % | 0 to 0.1 | |
| 0 |
| Phosphorus (P), % | 0 to 0.045 | |
| 0 |
| Silicon (Si), % | 0 to 0.75 | |
| 0 |
| Sulfur (S), % | 0 to 0.030 | |
| 0 |
| Zinc (Zn), % | 0 | |
| 32 to 36.5 |
| Residuals, % | 0 | |
| 0 to 0.4 |