C18600 Copper vs. SAE-AISI M43 Steel
C18600 copper belongs to the copper alloys classification, while SAE-AISI M43 steel belongs to the iron alloys. There are 21 material properties with values for both materials. Properties with values for just one material (9, in this case) are not shown.
For each property being compared, the top bar is C18600 copper and the bottom bar is SAE-AISI M43 steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 120 | |
| 200 |
| Poisson's Ratio | 0.34 | |
| 0.29 |
| Shear Modulus, GPa | 44 | |
| 77 |
| Tensile Strength: Ultimate (UTS), MPa | 520 to 580 | |
| 810 to 2290 |
Thermal Properties
| Latent Heat of Fusion, J/g | 210 | |
| 270 |
| Melting Completion (Liquidus), °C | 1090 | |
| 1550 |
| Melting Onset (Solidus), °C | 1070 | |
| 1500 |
| Specific Heat Capacity, J/kg-K | 390 | |
| 450 |
| Thermal Conductivity, W/m-K | 280 | |
| 19 |
| Thermal Expansion, µm/m-K | 17 | |
| 12 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 31 | |
| 33 |
| Density, g/cm3 | 8.9 | |
| 8.2 |
| Embodied Carbon, kg CO2/kg material | 2.9 | |
| 8.5 |
| Embodied Energy, MJ/kg | 46 | |
| 120 |
| Embodied Water, L/kg | 310 | |
| 140 |
Common Calculations
| Stiffness to Weight: Axial, points | 7.3 | |
| 14 |
| Stiffness to Weight: Bending, points | 18 | |
| 24 |
| Strength to Weight: Axial, points | 16 to 18 | |
| 27 to 77 |
| Strength to Weight: Bending, points | 16 to 17 | |
| 24 to 47 |
| Thermal Diffusivity, mm2/s | 81 | |
| 5.3 |
| Thermal Shock Resistance, points | 19 to 20 | |
| 25 to 71 |
Alloy Composition
| Carbon (C), % | 0 | |
| 1.2 to 1.3 |
| Chromium (Cr), % | 0.1 to 1.0 | |
| 3.5 to 4.3 |
| Cobalt (Co), % | 0 to 0.1 | |
| 7.8 to 8.8 |
| Copper (Cu), % | 96.5 to 99.55 | |
| 0 to 0.25 |
| Iron (Fe), % | 0.25 to 0.8 | |
| 70.8 to 76 |
| Manganese (Mn), % | 0 | |
| 0.2 to 0.4 |
| Molybdenum (Mo), % | 0 | |
| 7.5 to 8.5 |
| Nickel (Ni), % | 0 to 0.25 | |
| 0 to 0.3 |
| Phosphorus (P), % | 0 | |
| 0 to 0.030 |
| Silicon (Si), % | 0 | |
| 0.15 to 0.65 |
| Sulfur (S), % | 0 | |
| 0 to 0.030 |
| Titanium (Ti), % | 0.050 to 0.5 | |
| 0 |
| Tungsten (W), % | 0 | |
| 2.3 to 3.0 |
| Vanadium (V), % | 0 | |
| 1.5 to 1.8 |
| Zirconium (Zr), % | 0.050 to 0.4 | |
| 0 |
| Residuals, % | 0 to 0.5 | |
| 0 |