ASTM A217 Cast Steel vs. C72700 Copper-nickel
ASTM A217 cast steel belongs to the iron alloys classification, while C72700 copper-nickel belongs to the copper alloys. There are 28 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.
For each property being compared, the top bar is ASTM A217 cast steel and the bottom bar is C72700 copper-nickel.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 190 | |
| 120 |
| Elongation at Break, % | 21 to 27 | |
| 4.0 to 36 |
| Poisson's Ratio | 0.28 to 0.29 | |
| 0.34 |
| Shear Modulus, GPa | 73 to 75 | |
| 44 |
| Tensile Strength: Ultimate (UTS), MPa | 540 to 710 | |
| 460 to 1070 |
| Tensile Strength: Yield (Proof), MPa | 270 to 460 | |
| 580 to 1060 |
Thermal Properties
| Latent Heat of Fusion, J/g | 250 to 270 | |
| 210 |
| Maximum Temperature: Mechanical, °C | 410 to 600 | |
| 200 |
| Melting Completion (Liquidus), °C | 1450 to 1460 | |
| 1100 |
| Melting Onset (Solidus), °C | 1410 to 1420 | |
| 930 |
| Specific Heat Capacity, J/kg-K | 470 | |
| 380 |
| Thermal Conductivity, W/m-K | 26 to 50 | |
| 54 |
| Thermal Expansion, µm/m-K | 13 | |
| 17 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 7.3 to 9.2 | |
| 11 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 8.4 to 11 | |
| 11 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 2.4 to 7.0 | |
| 36 |
| Density, g/cm3 | 7.8 | |
| 8.8 |
| Embodied Carbon, kg CO2/kg material | 1.5 to 2.1 | |
| 4.0 |
| Embodied Energy, MJ/kg | 20 to 28 | |
| 62 |
| Embodied Water, L/kg | 47 to 87 | |
| 350 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 110 to 130 | |
| 20 to 380 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 190 to 570 | |
| 1420 to 4770 |
| Stiffness to Weight: Axial, points | 13 to 14 | |
| 7.4 |
| Stiffness to Weight: Bending, points | 24 to 25 | |
| 19 |
| Strength to Weight: Axial, points | 19 to 25 | |
| 14 to 34 |
| Strength to Weight: Bending, points | 19 to 23 | |
| 15 to 26 |
| Thermal Diffusivity, mm2/s | 6.9 to 14 | |
| 16 |
| Thermal Shock Resistance, points | 16 to 20 | |
| 16 to 38 |