C72700 Copper-nickel vs. ASTM A148 Cast Steel
C72700 copper-nickel belongs to the copper alloys classification, while ASTM A148 cast steel belongs to the iron 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 C72700 copper-nickel and the bottom bar is ASTM A148 cast steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 120 | |
| 190 |
| Elongation at Break, % | 4.0 to 36 | |
| 5.7 to 25 |
| Poisson's Ratio | 0.34 | |
| 0.29 |
| Shear Modulus, GPa | 44 | |
| 73 |
| Tensile Strength: Ultimate (UTS), MPa | 460 to 1070 | |
| 630 to 1300 |
| Tensile Strength: Yield (Proof), MPa | 580 to 1060 | |
| 390 to 1160 |
Thermal Properties
| Latent Heat of Fusion, J/g | 210 | |
| 250 |
| Maximum Temperature: Mechanical, °C | 200 | |
| 400 to 430 |
| Melting Completion (Liquidus), °C | 1100 | |
| 1460 |
| Melting Onset (Solidus), °C | 930 | |
| 1420 |
| Specific Heat Capacity, J/kg-K | 380 | |
| 470 |
| Thermal Conductivity, W/m-K | 54 | |
| 37 to 47 |
| Thermal Expansion, µm/m-K | 17 | |
| 13 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 11 | |
| 7.3 to 7.5 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 11 | |
| 8.3 to 8.6 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 36 | |
| 2.3 to 3.3 |
| Density, g/cm3 | 8.8 | |
| 7.8 |
| Embodied Carbon, kg CO2/kg material | 4.0 | |
| 1.5 to 1.7 |
| Embodied Energy, MJ/kg | 62 | |
| 20 to 22 |
| Embodied Water, L/kg | 350 | |
| 48 to 53 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 20 to 380 | |
| 71 to 150 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 1420 to 4770 | |
| 400 to 3570 |
| Stiffness to Weight: Axial, points | 7.4 | |
| 13 |
| Stiffness to Weight: Bending, points | 19 | |
| 24 |
| Strength to Weight: Axial, points | 14 to 34 | |
| 22 to 46 |
| Strength to Weight: Bending, points | 15 to 26 | |
| 21 to 34 |
| Thermal Diffusivity, mm2/s | 16 | |
| 9.9 to 13 |
| Thermal Shock Resistance, points | 16 to 38 | |
| 18 to 38 |