C27400 Brass vs. ASTM A204 Steel
C27400 brass belongs to the copper alloys classification, while ASTM A204 steel belongs to the iron alloys. There are 24 material properties with values for both materials. Properties with values for just one material (9, in this case) are not shown.
For each property being compared, the top bar is C27400 brass and the bottom bar is ASTM A204 steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 110 | |
| 190 |
| Poisson's Ratio | 0.31 | |
| 0.29 |
| Shear Modulus, GPa | 40 | |
| 73 |
| Tensile Strength: Ultimate (UTS), MPa | 370 to 650 | |
| 520 to 590 |
Thermal Properties
| Latent Heat of Fusion, J/g | 170 | |
| 250 |
| Maximum Temperature: Mechanical, °C | 120 | |
| 410 |
| Melting Completion (Liquidus), °C | 920 | |
| 1470 |
| Melting Onset (Solidus), °C | 870 | |
| 1420 to 1430 |
| Specific Heat Capacity, J/kg-K | 390 | |
| 470 |
| Thermal Conductivity, W/m-K | 120 | |
| 52 |
| Thermal Expansion, µm/m-K | 21 | |
| 13 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 28 | |
| 7.2 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 31 | |
| 8.2 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 23 | |
| 2.4 |
| Density, g/cm3 | 8.0 | |
| 7.9 |
| Embodied Carbon, kg CO2/kg material | 2.7 | |
| 1.5 |
| Embodied Energy, MJ/kg | 45 | |
| 20 |
| Embodied Water, L/kg | 320 | |
| 47 |
Common Calculations
| Stiffness to Weight: Axial, points | 7.2 | |
| 13 |
| Stiffness to Weight: Bending, points | 20 | |
| 24 |
| Strength to Weight: Axial, points | 13 to 23 | |
| 18 to 21 |
| Strength to Weight: Bending, points | 14 to 21 | |
| 18 to 20 |
| Thermal Diffusivity, mm2/s | 37 | |
| 14 |
| Thermal Shock Resistance, points | 12 to 22 | |
| 15 to 17 |