C18700 Copper vs. EN 1.4612 Stainless Steel
C18700 copper belongs to the copper alloys classification, while EN 1.4612 stainless steel belongs to the iron alloys. There are 24 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 EN 1.4612 stainless steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 110 | |
| 190 |
| Elongation at Break, % | 9.0 to 9.6 | |
| 11 |
| Poisson's Ratio | 0.34 | |
| 0.28 |
| Shear Modulus, GPa | 43 | |
| 76 |
| Shear Strength, MPa | 170 to 190 | |
| 1010 to 1110 |
| Tensile Strength: Ultimate (UTS), MPa | 290 to 330 | |
| 1690 to 1850 |
| Tensile Strength: Yield (Proof), MPa | 230 to 250 | |
| 1570 to 1730 |
Thermal Properties
| Latent Heat of Fusion, J/g | 210 | |
| 280 |
| Maximum Temperature: Mechanical, °C | 200 | |
| 790 |
| Melting Completion (Liquidus), °C | 1080 | |
| 1450 |
| Melting Onset (Solidus), °C | 950 | |
| 1400 |
| Specific Heat Capacity, J/kg-K | 380 | |
| 480 |
| Thermal Expansion, µm/m-K | 17 | |
| 11 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 30 | |
| 16 |
| Density, g/cm3 | 9.0 | |
| 7.9 |
| Embodied Carbon, kg CO2/kg material | 2.6 | |
| 3.6 |
| Embodied Energy, MJ/kg | 41 | |
| 50 |
| Embodied Water, L/kg | 310 | |
| 140 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 24 to 29 | |
| 190 to 210 |
| Stiffness to Weight: Axial, points | 7.1 | |
| 14 |
| Stiffness to Weight: Bending, points | 18 | |
| 25 |
| Strength to Weight: Axial, points | 9.0 to 10 | |
| 60 to 65 |
| Strength to Weight: Bending, points | 11 to 12 | |
| 40 to 43 |
| Thermal Shock Resistance, points | 10 to 12 | |
| 58 to 63 |
Alloy Composition
| Aluminum (Al), % | 0 | |
| 1.4 to 1.8 |
| Carbon (C), % | 0 | |
| 0 to 0.015 |
| Chromium (Cr), % | 0 | |
| 11 to 12.5 |
| Copper (Cu), % | 98 to 99.2 | |
| 0 |
| Iron (Fe), % | 0 | |
| 71.5 to 75.5 |
| Lead (Pb), % | 0.8 to 1.5 | |
| 0 |
| Manganese (Mn), % | 0 | |
| 0 to 0.1 |
| Molybdenum (Mo), % | 0 | |
| 1.8 to 2.3 |
| Nickel (Ni), % | 0 | |
| 10.2 to 11.3 |
| Nitrogen (N), % | 0 | |
| 0 to 0.010 |
| Phosphorus (P), % | 0 | |
| 0 to 0.010 |
| Silicon (Si), % | 0 | |
| 0 to 0.1 |
| Sulfur (S), % | 0 | |
| 0 to 0.0050 |
| Titanium (Ti), % | 0 | |
| 0.2 to 0.5 |
| Residuals, % | 0 to 0.5 | |
| 0 |