ASTM A148 Cast Steel vs. C34500 Brass
ASTM A148 cast steel belongs to the iron alloys classification, while C34500 brass belongs to the copper alloys. There are 28 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.
For each property being compared, the top bar is ASTM A148 cast steel and the bottom bar is C34500 brass.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 190 | |
| 100 |
| Elongation at Break, % | 5.7 to 25 | |
| 12 to 28 |
| Poisson's Ratio | 0.29 | |
| 0.31 |
| Shear Modulus, GPa | 73 | |
| 40 |
| Tensile Strength: Ultimate (UTS), MPa | 630 to 1300 | |
| 340 to 430 |
| Tensile Strength: Yield (Proof), MPa | 390 to 1160 | |
| 120 to 180 |
Thermal Properties
| Latent Heat of Fusion, J/g | 250 | |
| 170 |
| Maximum Temperature: Mechanical, °C | 400 to 430 | |
| 120 |
| Melting Completion (Liquidus), °C | 1460 | |
| 910 |
| Melting Onset (Solidus), °C | 1420 | |
| 890 |
| Specific Heat Capacity, J/kg-K | 470 | |
| 380 |
| Thermal Conductivity, W/m-K | 37 to 47 | |
| 120 |
| Thermal Expansion, µm/m-K | 13 | |
| 21 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 7.3 to 7.5 | |
| 26 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 8.3 to 8.6 | |
| 29 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 2.3 to 3.3 | |
| 24 |
| Density, g/cm3 | 7.8 | |
| 8.2 |
| Embodied Carbon, kg CO2/kg material | 1.5 to 1.7 | |
| 2.6 |
| Embodied Energy, MJ/kg | 20 to 22 | |
| 45 |
| Embodied Water, L/kg | 48 to 53 | |
| 320 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 71 to 150 | |
| 42 to 75 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 400 to 3570 | |
| 69 to 160 |
| Stiffness to Weight: Axial, points | 13 | |
| 7.1 |
| Stiffness to Weight: Bending, points | 24 | |
| 19 |
| Strength to Weight: Axial, points | 22 to 46 | |
| 12 to 15 |
| Strength to Weight: Bending, points | 21 to 34 | |
| 13 to 16 |
| Thermal Diffusivity, mm2/s | 9.9 to 13 | |
| 37 |
| Thermal Shock Resistance, points | 18 to 38 | |
| 11 to 14 |