Cold Finished N08020 Stainless Steel vs. Cold Rolled EN 1.4621
Both cold finished N08020 stainless steel and cold rolled EN 1.4621 are iron alloys. Both are furnished in the cold worked (strain hardened) condition. They have 59% of their average alloy composition in common.
For each property being compared, the top bar is cold finished N08020 stainless steel and the bottom bar is cold rolled EN 1.4621.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 200 | |
| 200 |
| Elongation at Break, % | 15 | |
| 25 |
| Fatigue Strength, MPa | 240 | |
| 190 |
| Poisson's Ratio | 0.28 | |
| 0.27 |
| Shear Modulus, GPa | 77 | |
| 78 |
| Shear Strength, MPa | 380 | |
| 320 |
| Tensile Strength: Ultimate (UTS), MPa | 620 | |
| 500 |
| Tensile Strength: Yield (Proof), MPa | 420 | |
| 270 |
Thermal Properties
| Latent Heat of Fusion, J/g | 300 | |
| 290 |
| Maximum Temperature: Corrosion, °C | 490 | |
| 510 |
| Maximum Temperature: Mechanical, °C | 1100 | |
| 970 |
| Melting Completion (Liquidus), °C | 1410 | |
| 1440 |
| Melting Onset (Solidus), °C | 1360 | |
| 1390 |
| Specific Heat Capacity, J/kg-K | 460 | |
| 480 |
| Thermal Conductivity, W/m-K | 12 | |
| 21 |
| Thermal Expansion, µm/m-K | 15 | |
| 11 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 1.6 | |
| 2.6 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 1.8 | |
| 3.1 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 38 | |
| 14 |
| Density, g/cm3 | 8.2 | |
| 7.7 |
| Embodied Carbon, kg CO2/kg material | 6.6 | |
| 2.8 |
| Embodied Energy, MJ/kg | 92 | |
| 41 |
| Embodied Water, L/kg | 220 | |
| 140 |
Common Calculations
| PREN (Pitting Resistance) | 28 | |
| 21 |
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 83 | |
| 110 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 440 | |
| 190 |
| Stiffness to Weight: Axial, points | 13 | |
| 14 |
| Stiffness to Weight: Bending, points | 24 | |
| 25 |
| Strength to Weight: Axial, points | 21 | |
| 18 |
| Strength to Weight: Bending, points | 20 | |
| 18 |
| Thermal Diffusivity, mm2/s | 3.2 | |
| 5.7 |
| Thermal Shock Resistance, points | 15 | |
| 17 |
Alloy Composition
| Carbon (C), % | 0 to 0.070 | |
| 0 to 0.030 |
| Chromium (Cr), % | 19 to 21 | |
| 20 to 21.5 |
| Copper (Cu), % | 3.0 to 4.0 | |
| 0.1 to 1.0 |
| Iron (Fe), % | 29.9 to 44 | |
| 74.4 to 79.7 |
| Manganese (Mn), % | 0 to 2.0 | |
| 0 to 1.0 |
| Molybdenum (Mo), % | 2.0 to 3.0 | |
| 0 |
| Nickel (Ni), % | 32 to 38 | |
| 0 |
| Niobium (Nb), % | 0 to 1.0 | |
| 0.2 to 1.0 |
| Nitrogen (N), % | 0 | |
| 0 to 0.030 |
| Phosphorus (P), % | 0 to 0.045 | |
| 0 to 0.040 |
| Silicon (Si), % | 0 to 1.0 | |
| 0 to 1.0 |
| Sulfur (S), % | 0 to 0.035 | |
| 0 to 0.015 |