ASTM A203 Steel vs. C49300 Brass
ASTM A203 steel belongs to the iron alloys classification, while C49300 brass belongs to the copper alloys. There are 29 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.
For each property being compared, the top bar is ASTM A203 steel and the bottom bar is C49300 brass.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 190 | |
| 100 |
| Elongation at Break, % | 22 to 26 | |
| 4.5 to 20 |
| Poisson's Ratio | 0.29 | |
| 0.31 |
| Shear Modulus, GPa | 73 | |
| 40 |
| Shear Strength, MPa | 330 to 370 | |
| 270 to 290 |
| Tensile Strength: Ultimate (UTS), MPa | 520 to 590 | |
| 430 to 520 |
| Tensile Strength: Yield (Proof), MPa | 290 to 390 | |
| 210 to 410 |
Thermal Properties
| Latent Heat of Fusion, J/g | 250 | |
| 170 |
| Maximum Temperature: Mechanical, °C | 410 | |
| 120 |
| Melting Completion (Liquidus), °C | 1460 | |
| 880 |
| Melting Onset (Solidus), °C | 1420 | |
| 840 |
| Specific Heat Capacity, J/kg-K | 470 | |
| 380 |
| Thermal Conductivity, W/m-K | 52 | |
| 88 |
| Thermal Expansion, µm/m-K | 13 | |
| 20 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 7.4 to 7.6 | |
| 15 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 8.5 to 8.7 | |
| 17 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 3.2 to 4.0 | |
| 26 |
| Density, g/cm3 | 7.9 | |
| 8.0 |
| Embodied Carbon, kg CO2/kg material | 1.6 to 1.7 | |
| 3.0 |
| Embodied Energy, MJ/kg | 21 to 23 | |
| 50 |
| Embodied Water, L/kg | 50 to 52 | |
| 370 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 110 to 120 | |
| 21 to 71 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 230 to 410 | |
| 220 to 800 |
| Stiffness to Weight: Axial, points | 13 | |
| 7.2 |
| Stiffness to Weight: Bending, points | 24 | |
| 19 |
| Strength to Weight: Axial, points | 18 to 21 | |
| 15 to 18 |
| Strength to Weight: Bending, points | 18 to 20 | |
| 16 to 18 |
| Thermal Diffusivity, mm2/s | 14 | |
| 29 |
| Thermal Shock Resistance, points | 15 to 17 | |
| 14 to 18 |