ASTM A209 Steel vs. C27400 Brass
ASTM A209 steel belongs to the iron alloys classification, while C27400 brass belongs to the copper alloys. There are 25 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.
For each property being compared, the top bar is ASTM A209 steel and the bottom bar is C27400 brass.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 190 | |
| 110 |
| Poisson's Ratio | 0.29 | |
| 0.31 |
| Rockwell B Hardness | 77 to 81 | |
| 53 to 91 |
| Shear Modulus, GPa | 73 | |
| 40 |
| Tensile Strength: Ultimate (UTS), MPa | 420 to 460 | |
| 370 to 650 |
Thermal Properties
| Latent Heat of Fusion, J/g | 250 | |
| 170 |
| Maximum Temperature: Mechanical, °C | 410 | |
| 120 |
| Melting Completion (Liquidus), °C | 1470 | |
| 920 |
| Melting Onset (Solidus), °C | 1420 to 1430 | |
| 870 |
| Specific Heat Capacity, J/kg-K | 470 | |
| 390 |
| Thermal Conductivity, W/m-K | 50 | |
| 120 |
| Thermal Expansion, µm/m-K | 13 | |
| 21 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 7.1 | |
| 28 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 8.1 to 8.2 | |
| 31 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 2.4 | |
| 23 |
| Density, g/cm3 | 7.9 | |
| 8.0 |
| Embodied Carbon, kg CO2/kg material | 1.5 | |
| 2.7 |
| Embodied Energy, MJ/kg | 20 | |
| 45 |
| Embodied Water, L/kg | 47 | |
| 320 |
Common Calculations
| Stiffness to Weight: Axial, points | 13 | |
| 7.2 |
| Stiffness to Weight: Bending, points | 24 | |
| 20 |
| Strength to Weight: Axial, points | 15 to 16 | |
| 13 to 23 |
| Strength to Weight: Bending, points | 16 to 17 | |
| 14 to 21 |
| Thermal Diffusivity, mm2/s | 13 | |
| 37 |
| Thermal Shock Resistance, points | 12 to 14 | |
| 12 to 22 |