C18700 Copper vs. AISI 205 Stainless Steel
C18700 copper belongs to the copper alloys classification, while AISI 205 stainless steel belongs to the iron alloys. There are 25 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.
For each property being compared, the top bar is C18700 copper and the bottom bar is AISI 205 stainless steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 110 | |
| 200 |
| Elongation at Break, % | 9.0 to 9.6 | |
| 11 to 51 |
| Poisson's Ratio | 0.34 | |
| 0.28 |
| Shear Modulus, GPa | 43 | |
| 77 |
| Shear Strength, MPa | 170 to 190 | |
| 560 to 850 |
| Tensile Strength: Ultimate (UTS), MPa | 290 to 330 | |
| 800 to 1430 |
| Tensile Strength: Yield (Proof), MPa | 230 to 250 | |
| 450 to 1100 |
Thermal Properties
| Latent Heat of Fusion, J/g | 210 | |
| 280 |
| Maximum Temperature: Mechanical, °C | 200 | |
| 880 |
| Melting Completion (Liquidus), °C | 1080 | |
| 1380 |
| Melting Onset (Solidus), °C | 950 | |
| 1340 |
| Specific Heat Capacity, J/kg-K | 380 | |
| 480 |
| Thermal Expansion, µm/m-K | 17 | |
| 18 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 30 | |
| 11 |
| Density, g/cm3 | 9.0 | |
| 7.6 |
| Embodied Carbon, kg CO2/kg material | 2.6 | |
| 2.6 |
| Embodied Energy, MJ/kg | 41 | |
| 37 |
| Embodied Water, L/kg | 310 | |
| 150 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 24 to 29 | |
| 150 to 430 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 240 to 280 | |
| 510 to 3060 |
| Stiffness to Weight: Axial, points | 7.1 | |
| 14 |
| Stiffness to Weight: Bending, points | 18 | |
| 26 |
| Strength to Weight: Axial, points | 9.0 to 10 | |
| 29 to 52 |
| Strength to Weight: Bending, points | 11 to 12 | |
| 25 to 37 |
| Thermal Shock Resistance, points | 10 to 12 | |
| 16 to 29 |
Alloy Composition
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| Carbon (C), % | 0 | |
| 0.12 to 0.25 |
| Chromium (Cr), % | 0 | |
| 16.5 to 18.5 |
| Copper (Cu), % | 98 to 99.2 | |
| 0 |
| Iron (Fe), % | 0 | |
| 62.6 to 68.1 |
| Lead (Pb), % | 0.8 to 1.5 | |
| 0 |
| Manganese (Mn), % | 0 | |
| 14 to 15.5 |
| Nickel (Ni), % | 0 | |
| 1.0 to 1.7 |
| Nitrogen (N), % | 0 | |
| 0.32 to 0.4 |
| Phosphorus (P), % | 0 | |
| 0 to 0.060 |
| Silicon (Si), % | 0 | |
| 0 to 1.0 |
| Sulfur (S), % | 0 | |
| 0 to 0.030 |
| Residuals, % | 0 to 0.5 | |
| 0 |