EN 1.4421 Stainless Steel vs. C17200 Copper
EN 1.4421 stainless steel belongs to the iron alloys classification, while C17200 copper belongs to the copper alloys. There are 27 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.
For each property being compared, the top bar is EN 1.4421 stainless steel and the bottom bar is C17200 copper.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 200 | |
| 120 |
| Elongation at Break, % | 11 to 17 | |
| 1.1 to 37 |
| Poisson's Ratio | 0.28 | |
| 0.33 |
| Shear Modulus, GPa | 77 | |
| 45 |
| Tensile Strength: Ultimate (UTS), MPa | 880 to 1100 | |
| 480 to 1380 |
| Tensile Strength: Yield (Proof), MPa | 620 to 950 | |
| 160 to 1250 |
Thermal Properties
| Latent Heat of Fusion, J/g | 280 | |
| 230 |
| Maximum Temperature: Mechanical, °C | 870 | |
| 280 |
| Melting Completion (Liquidus), °C | 1440 | |
| 980 |
| Melting Onset (Solidus), °C | 1400 | |
| 870 |
| Specific Heat Capacity, J/kg-K | 480 | |
| 390 |
| Thermal Conductivity, W/m-K | 16 | |
| 110 |
| Thermal Expansion, µm/m-K | 10 | |
| 18 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 2.2 | |
| 22 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 2.5 | |
| 23 |
Otherwise Unclassified Properties
| Density, g/cm3 | 7.8 | |
| 8.8 |
| Embodied Carbon, kg CO2/kg material | 2.6 | |
| 9.4 |
| Embodied Energy, MJ/kg | 36 | |
| 150 |
| Embodied Water, L/kg | 130 | |
| 310 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 120 to 140 | |
| 4.2 to 500 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 960 to 2270 | |
| 110 to 5720 |
| Stiffness to Weight: Axial, points | 14 | |
| 7.6 |
| Stiffness to Weight: Bending, points | 25 | |
| 19 |
| Strength to Weight: Axial, points | 31 to 39 | |
| 15 to 44 |
| Strength to Weight: Bending, points | 26 to 30 | |
| 16 to 31 |
| Thermal Diffusivity, mm2/s | 4.4 | |
| 31 |
| Thermal Shock Resistance, points | 31 to 39 | |
| 16 to 46 |
Alloy Composition
| Aluminum (Al), % | 0 | |
| 0 to 0.2 |
| Beryllium (Be), % | 0 | |
| 1.8 to 2.0 |
| Carbon (C), % | 0 to 0.060 | |
| 0 |
| Chromium (Cr), % | 15.5 to 17.5 | |
| 0 |
| Copper (Cu), % | 0 | |
| 96.1 to 98 |
| Iron (Fe), % | 74.4 to 80.5 | |
| 0 to 0.4 |
| Manganese (Mn), % | 0 to 1.0 | |
| 0 |
| Molybdenum (Mo), % | 0 to 0.7 | |
| 0 |
| Nickel (Ni), % | 4.0 to 5.5 | |
| 0.2 to 0.6 |
| Phosphorus (P), % | 0 to 0.035 | |
| 0 |
| Silicon (Si), % | 0 to 0.8 | |
| 0 to 0.2 |
| Sulfur (S), % | 0 to 0.020 | |
| 0 |
| Residuals, % | 0 | |
| 0 to 0.5 |