C55181 Copper vs. ASTM A387 Grade 9 Steel
C55181 copper belongs to the copper alloys classification, while ASTM A387 grade 9 steel belongs to the iron alloys. There are 20 material properties with values for both materials. Properties with values for just one material (13, in this case) are not shown.
For each property being compared, the top bar is C55181 copper and the bottom bar is ASTM A387 grade 9 steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 110 | |
| 190 |
| Poisson's Ratio | 0.34 | |
| 0.28 |
| Shear Modulus, GPa | 40 | |
| 75 |
| Tensile Strength: Ultimate (UTS), MPa | 200 | |
| 500 to 600 |
Thermal Properties
| Latent Heat of Fusion, J/g | 190 | |
| 270 |
| Maximum Temperature: Mechanical, °C | 200 | |
| 600 |
| Melting Completion (Liquidus), °C | 790 | |
| 1460 |
| Melting Onset (Solidus), °C | 710 | |
| 1410 |
| Specific Heat Capacity, J/kg-K | 410 | |
| 470 |
| Thermal Expansion, µm/m-K | 16 | |
| 13 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 28 | |
| 6.5 |
| Density, g/cm3 | 8.5 | |
| 7.8 |
| Embodied Carbon, kg CO2/kg material | 2.4 | |
| 2.1 |
| Embodied Energy, MJ/kg | 38 | |
| 28 |
| Embodied Water, L/kg | 290 | |
| 87 |
Common Calculations
| Stiffness to Weight: Axial, points | 7.0 | |
| 14 |
| Stiffness to Weight: Bending, points | 19 | |
| 25 |
| Strength to Weight: Axial, points | 6.5 | |
| 18 to 21 |
| Strength to Weight: Bending, points | 8.9 | |
| 18 to 20 |
| Thermal Shock Resistance, points | 8.2 | |
| 14 to 17 |
Alloy Composition
| Carbon (C), % | 0 | |
| 0 to 0.15 |
| Chromium (Cr), % | 0 | |
| 8.0 to 10 |
| Copper (Cu), % | 92.4 to 93 | |
| 0 |
| Iron (Fe), % | 0 | |
| 87.1 to 90.8 |
| Manganese (Mn), % | 0 | |
| 0.3 to 0.6 |
| Molybdenum (Mo), % | 0 | |
| 0.9 to 1.1 |
| Phosphorus (P), % | 7.0 to 7.5 | |
| 0 to 0.025 |
| Silicon (Si), % | 0 | |
| 0 to 1.0 |
| Sulfur (S), % | 0 | |
| 0 to 0.025 |
| Vanadium (V), % | 0 | |
| 0 to 0.040 |
| Residuals, % | 0 to 0.15 | |
| 0 |