EN 1.4021 Stainless Steel vs. N08020 Stainless Steel
Both EN 1.4021 stainless steel and N08020 stainless steel are iron alloys. They have 51% of their average alloy composition in common.
For each property being compared, the top bar is EN 1.4021 stainless steel and the bottom bar is N08020 stainless steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 190 | |
| 200 |
| Elongation at Break, % | 11 to 17 | |
| 15 to 34 |
| Fatigue Strength, MPa | 240 to 380 | |
| 210 to 240 |
| Poisson's Ratio | 0.28 | |
| 0.28 |
| Shear Modulus, GPa | 76 | |
| 77 |
| Shear Strength, MPa | 390 to 530 | |
| 380 to 410 |
| Tensile Strength: Ultimate (UTS), MPa | 630 to 880 | |
| 610 to 620 |
| Tensile Strength: Yield (Proof), MPa | 390 to 670 | |
| 270 to 420 |
Thermal Properties
| Latent Heat of Fusion, J/g | 270 | |
| 300 |
| Maximum Temperature: Corrosion, °C | 390 | |
| 490 |
| Maximum Temperature: Mechanical, °C | 760 | |
| 1100 |
| Melting Completion (Liquidus), °C | 1440 | |
| 1410 |
| Melting Onset (Solidus), °C | 1400 | |
| 1360 |
| Specific Heat Capacity, J/kg-K | 480 | |
| 460 |
| Thermal Conductivity, W/m-K | 30 | |
| 12 |
| Thermal Expansion, µm/m-K | 11 | |
| 15 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 2.9 | |
| 1.6 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 3.3 | |
| 1.8 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 7.0 | |
| 38 |
| Density, g/cm3 | 7.7 | |
| 8.2 |
| Embodied Carbon, kg CO2/kg material | 1.9 | |
| 6.6 |
| Embodied Energy, MJ/kg | 27 | |
| 92 |
| Embodied Water, L/kg | 100 | |
| 220 |
Common Calculations
| PREN (Pitting Resistance) | 13 | |
| 28 |
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 88 to 110 | |
| 83 to 170 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 400 to 1160 | |
| 180 to 440 |
| Stiffness to Weight: Axial, points | 14 | |
| 13 |
| Stiffness to Weight: Bending, points | 25 | |
| 24 |
| Strength to Weight: Axial, points | 23 to 31 | |
| 21 |
| Strength to Weight: Bending, points | 21 to 26 | |
| 20 |
| Thermal Diffusivity, mm2/s | 8.1 | |
| 3.2 |
| Thermal Shock Resistance, points | 22 to 31 | |
| 15 |
Alloy Composition
| Carbon (C), % | 0.16 to 0.25 | |
| 0 to 0.070 |
| Chromium (Cr), % | 12 to 14 | |
| 19 to 21 |
| Copper (Cu), % | 0 | |
| 3.0 to 4.0 |
| Iron (Fe), % | 83.2 to 87.8 | |
| 29.9 to 44 |
| Manganese (Mn), % | 0 to 1.5 | |
| 0 to 2.0 |
| Molybdenum (Mo), % | 0 | |
| 2.0 to 3.0 |
| Nickel (Ni), % | 0 | |
| 32 to 38 |
| Niobium (Nb), % | 0 | |
| 0 to 1.0 |
| Phosphorus (P), % | 0 to 0.040 | |
| 0 to 0.045 |
| Silicon (Si), % | 0 to 1.0 | |
| 0 to 1.0 |
| Sulfur (S), % | 0 to 0.015 | |
| 0 to 0.035 |