C18700 Copper vs. Grade 300 Maraging Steel
C18700 copper belongs to the copper alloys classification, while grade 300 maraging steel belongs to the iron alloys. There are 23 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 C18700 copper and the bottom bar is grade 300 maraging steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 110 | |
| 190 |
| Elongation at Break, % | 9.0 to 9.6 | |
| 6.5 to 18 |
| Poisson's Ratio | 0.34 | |
| 0.3 |
| Shear Modulus, GPa | 43 | |
| 75 |
| Shear Strength, MPa | 170 to 190 | |
| 640 to 1190 |
| Tensile Strength: Ultimate (UTS), MPa | 290 to 330 | |
| 1030 to 2030 |
| Tensile Strength: Yield (Proof), MPa | 230 to 250 | |
| 760 to 1990 |
Thermal Properties
| Latent Heat of Fusion, J/g | 210 | |
| 270 |
| Melting Completion (Liquidus), °C | 1080 | |
| 1480 |
| Melting Onset (Solidus), °C | 950 | |
| 1430 |
| Specific Heat Capacity, J/kg-K | 380 | |
| 450 |
| Thermal Expansion, µm/m-K | 17 | |
| 12 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 30 | |
| 34 |
| Density, g/cm3 | 9.0 | |
| 8.2 |
| Embodied Carbon, kg CO2/kg material | 2.6 | |
| 5.1 |
| Embodied Energy, MJ/kg | 41 | |
| 68 |
| Embodied Water, L/kg | 310 | |
| 150 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 24 to 29 | |
| 130 to 170 |
| Stiffness to Weight: Axial, points | 7.1 | |
| 13 |
| Stiffness to Weight: Bending, points | 18 | |
| 23 |
| Strength to Weight: Axial, points | 9.0 to 10 | |
| 35 to 68 |
| Strength to Weight: Bending, points | 11 to 12 | |
| 28 to 43 |
| Thermal Shock Resistance, points | 10 to 12 | |
| 31 to 62 |
Alloy Composition
| Aluminum (Al), % | 0 | |
| 0.050 to 0.15 |
| Boron (B), % | 0 | |
| 0 to 0.0030 |
| Calcium (Ca), % | 0 | |
| 0 to 0.050 |
| Carbon (C), % | 0 | |
| 0 to 0.030 |
| Cobalt (Co), % | 0 | |
| 8.5 to 9.5 |
| Copper (Cu), % | 98 to 99.2 | |
| 0 |
| Iron (Fe), % | 0 | |
| 65 to 68.4 |
| Lead (Pb), % | 0.8 to 1.5 | |
| 0 |
| Manganese (Mn), % | 0 | |
| 0 to 0.1 |
| Molybdenum (Mo), % | 0 | |
| 4.6 to 5.2 |
| Nickel (Ni), % | 0 | |
| 18 to 19 |
| Phosphorus (P), % | 0 | |
| 0 to 0.010 |
| Silicon (Si), % | 0 | |
| 0 to 0.1 |
| Sulfur (S), % | 0 | |
| 0 to 0.010 |
| Titanium (Ti), % | 0 | |
| 0.5 to 0.8 |
| Zirconium (Zr), % | 0 | |
| 0 to 0.020 |
| Residuals, % | 0 to 0.5 | |
| 0 |