EN 1.4421 Stainless Steel vs. C70260 Copper
EN 1.4421 stainless steel belongs to the iron alloys classification, while C70260 copper belongs to the copper alloys. There are 28 material properties with values for both materials. Properties with values for just one material (5, 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 C70260 copper.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 200 | |
| 120 |
| Elongation at Break, % | 11 to 17 | |
| 9.5 to 19 |
| Poisson's Ratio | 0.28 | |
| 0.34 |
| Shear Modulus, GPa | 77 | |
| 44 |
| Tensile Strength: Ultimate (UTS), MPa | 880 to 1100 | |
| 520 to 760 |
| Tensile Strength: Yield (Proof), MPa | 620 to 950 | |
| 410 to 650 |
Thermal Properties
| Latent Heat of Fusion, J/g | 280 | |
| 220 |
| Maximum Temperature: Mechanical, °C | 870 | |
| 200 |
| Melting Completion (Liquidus), °C | 1440 | |
| 1060 |
| Melting Onset (Solidus), °C | 1400 | |
| 1040 |
| Specific Heat Capacity, J/kg-K | 480 | |
| 390 |
| Thermal Conductivity, W/m-K | 16 | |
| 160 |
| Thermal Expansion, µm/m-K | 10 | |
| 17 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 2.2 | |
| 40 to 50 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 2.5 | |
| 40 to 51 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 12 | |
| 31 |
| Density, g/cm3 | 7.8 | |
| 8.9 |
| Embodied Carbon, kg CO2/kg material | 2.6 | |
| 2.7 |
| Embodied Energy, MJ/kg | 36 | |
| 43 |
| Embodied Water, L/kg | 130 | |
| 310 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 120 to 140 | |
| 46 to 140 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 960 to 2270 | |
| 710 to 1810 |
| Stiffness to Weight: Axial, points | 14 | |
| 7.3 |
| Stiffness to Weight: Bending, points | 25 | |
| 18 |
| Strength to Weight: Axial, points | 31 to 39 | |
| 16 to 24 |
| Strength to Weight: Bending, points | 26 to 30 | |
| 16 to 21 |
| Thermal Diffusivity, mm2/s | 4.4 | |
| 45 |
| Thermal Shock Resistance, points | 31 to 39 | |
| 18 to 27 |
Alloy Composition
| Carbon (C), % | 0 to 0.060 | |
| 0 |
| Chromium (Cr), % | 15.5 to 17.5 | |
| 0 |
| Copper (Cu), % | 0 | |
| 95.8 to 98.8 |
| Iron (Fe), % | 74.4 to 80.5 | |
| 0 |
| Manganese (Mn), % | 0 to 1.0 | |
| 0 |
| Molybdenum (Mo), % | 0 to 0.7 | |
| 0 |
| Nickel (Ni), % | 4.0 to 5.5 | |
| 1.0 to 3.0 |
| Phosphorus (P), % | 0 to 0.035 | |
| 0 to 0.010 |
| Silicon (Si), % | 0 to 0.8 | |
| 0.2 to 0.7 |
| Sulfur (S), % | 0 to 0.020 | |
| 0 |
| Residuals, % | 0 | |
| 0 to 0.5 |