AISI 309 Stainless Steel vs. EN 1.4020 Stainless Steel
Both AISI 309 stainless steel and EN 1.4020 stainless steel are iron alloys. They have 83% of their average alloy composition in common. There are 29 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 AISI 309 stainless steel and the bottom bar is EN 1.4020 stainless steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Brinell Hardness | 180 to 210 | |
| 190 to 340 |
| Elastic (Young's, Tensile) Modulus, GPa | 200 | |
| 200 |
| Elongation at Break, % | 34 to 47 | |
| 13 to 34 |
| Fatigue Strength, MPa | 250 to 280 | |
| 340 to 540 |
| Poisson's Ratio | 0.27 | |
| 0.28 |
| Shear Modulus, GPa | 78 | |
| 77 |
| Shear Strength, MPa | 420 to 470 | |
| 510 to 680 |
| Tensile Strength: Ultimate (UTS), MPa | 600 to 710 | |
| 770 to 1130 |
| Tensile Strength: Yield (Proof), MPa | 260 to 350 | |
| 430 to 950 |
Thermal Properties
| Latent Heat of Fusion, J/g | 290 | |
| 280 |
| Maximum Temperature: Corrosion, °C | 440 | |
| 410 |
| Maximum Temperature: Mechanical, °C | 980 | |
| 890 |
| Melting Completion (Liquidus), °C | 1450 | |
| 1390 |
| Melting Onset (Solidus), °C | 1400 | |
| 1350 |
| Specific Heat Capacity, J/kg-K | 480 | |
| 480 |
| Thermal Expansion, µm/m-K | 15 | |
| 17 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 19 | |
| 11 |
| Density, g/cm3 | 7.8 | |
| 7.6 |
| Embodied Carbon, kg CO2/kg material | 3.6 | |
| 2.5 |
| Embodied Energy, MJ/kg | 51 | |
| 37 |
| Embodied Water, L/kg | 170 | |
| 150 |
Common Calculations
| PREN (Pitting Resistance) | 23 | |
| 23 |
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 200 to 230 | |
| 140 to 220 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 170 to 310 | |
| 460 to 2290 |
| Stiffness to Weight: Axial, points | 14 | |
| 14 |
| Stiffness to Weight: Bending, points | 25 | |
| 25 |
| Strength to Weight: Axial, points | 21 to 25 | |
| 28 to 41 |
| Strength to Weight: Bending, points | 20 to 23 | |
| 25 to 32 |
| Thermal Shock Resistance, points | 14 to 16 | |
| 16 to 23 |
Alloy Composition
| Carbon (C), % | 0 to 0.2 | |
| 0 to 0.15 |
| Chromium (Cr), % | 22 to 24 | |
| 16.5 to 19 |
| Iron (Fe), % | 58 to 66 | |
| 62.8 to 71.8 |
| Manganese (Mn), % | 0 to 2.0 | |
| 11 to 14 |
| Nickel (Ni), % | 12 to 15 | |
| 0.5 to 2.5 |
| Nitrogen (N), % | 0 | |
| 0.2 to 0.45 |
| Phosphorus (P), % | 0 to 0.045 | |
| 0 to 0.045 |
| Silicon (Si), % | 0 to 0.75 | |
| 0 to 1.0 |
| Sulfur (S), % | 0 to 0.030 | |
| 0 to 0.030 |