C70250 Copper vs. ASTM A148 Cast Steel
C70250 copper belongs to the copper alloys classification, while ASTM A148 cast steel belongs to the iron alloys. There are 24 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.
For each property being compared, the top bar is C70250 copper and the bottom bar is ASTM A148 cast steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 120 | |
| 190 |
| Poisson's Ratio | 0.34 | |
| 0.29 |
| Shear Modulus, GPa | 44 | |
| 73 |
| Tensile Strength: Ultimate (UTS), MPa | 520 to 740 | |
| 630 to 1300 |
Thermal Properties
| Latent Heat of Fusion, J/g | 220 | |
| 250 |
| Maximum Temperature: Mechanical, °C | 210 | |
| 400 to 430 |
| Melting Completion (Liquidus), °C | 1100 | |
| 1460 |
| Melting Onset (Solidus), °C | 1080 | |
| 1420 |
| Specific Heat Capacity, J/kg-K | 390 | |
| 470 |
| Thermal Conductivity, W/m-K | 170 | |
| 37 to 47 |
| Thermal Expansion, µm/m-K | 17 | |
| 13 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 36 to 50 | |
| 7.3 to 7.5 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 37 to 51 | |
| 8.3 to 8.6 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 31 | |
| 2.3 to 3.3 |
| Density, g/cm3 | 8.9 | |
| 7.8 |
| Embodied Carbon, kg CO2/kg material | 2.9 | |
| 1.5 to 1.7 |
| Embodied Energy, MJ/kg | 45 | |
| 20 to 22 |
| Embodied Water, L/kg | 310 | |
| 48 to 53 |
Common Calculations
| Stiffness to Weight: Axial, points | 7.4 | |
| 13 |
| Stiffness to Weight: Bending, points | 18 | |
| 24 |
| Strength to Weight: Axial, points | 16 to 23 | |
| 22 to 46 |
| Strength to Weight: Bending, points | 16 to 21 | |
| 21 to 34 |
| Thermal Diffusivity, mm2/s | 49 | |
| 9.9 to 13 |
| Thermal Shock Resistance, points | 18 to 26 | |
| 18 to 38 |