AISI 420 Stainless Steel vs. EN 1.4415 Stainless Steel
Both AISI 420 stainless steel and EN 1.4415 stainless steel are iron alloys. They have a moderately high 93% of their average alloy composition in common. There are 32 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.
For each property being compared, the top bar is AISI 420 stainless steel and the bottom bar is EN 1.4415 stainless steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 190 | |
| 200 |
| Elongation at Break, % | 8.0 to 15 | |
| 17 to 20 |
| Fatigue Strength, MPa | 220 to 670 | |
| 470 to 510 |
| Poisson's Ratio | 0.28 | |
| 0.28 |
| Shear Modulus, GPa | 76 | |
| 77 |
| Shear Strength, MPa | 420 to 1010 | |
| 520 to 570 |
| Tensile Strength: Ultimate (UTS), MPa | 690 to 1720 | |
| 830 to 930 |
| Tensile Strength: Yield (Proof), MPa | 380 to 1310 | |
| 730 to 840 |
Thermal Properties
| Latent Heat of Fusion, J/g | 280 | |
| 280 |
| Maximum Temperature: Corrosion, °C | 390 | |
| 390 |
| Maximum Temperature: Mechanical, °C | 620 | |
| 790 |
| Melting Completion (Liquidus), °C | 1510 | |
| 1460 |
| Melting Onset (Solidus), °C | 1450 | |
| 1420 |
| Specific Heat Capacity, J/kg-K | 480 | |
| 470 |
| Thermal Conductivity, W/m-K | 27 | |
| 19 |
| Thermal Expansion, µm/m-K | 10 | |
| 9.9 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 3.0 | |
| 2.4 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 3.5 | |
| 2.8 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 7.5 | |
| 13 |
| Density, g/cm3 | 7.7 | |
| 7.9 |
| Embodied Carbon, kg CO2/kg material | 2.0 | |
| 3.6 |
| Embodied Energy, MJ/kg | 28 | |
| 51 |
| Embodied Water, L/kg | 100 | |
| 120 |
Common Calculations
| PREN (Pitting Resistance) | 14 | |
| 19 |
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 88 to 130 | |
| 150 to 160 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 380 to 4410 | |
| 1350 to 1790 |
| Stiffness to Weight: Axial, points | 14 | |
| 14 |
| Stiffness to Weight: Bending, points | 25 | |
| 25 |
| Strength to Weight: Axial, points | 25 to 62 | |
| 29 to 33 |
| Strength to Weight: Bending, points | 22 to 41 | |
| 25 to 27 |
| Thermal Diffusivity, mm2/s | 7.3 | |
| 5.1 |
| Thermal Shock Resistance, points | 25 to 62 | |
| 30 to 34 |
Alloy Composition
| Carbon (C), % | 0.15 to 0.4 | |
| 0 to 0.030 |
| Chromium (Cr), % | 12 to 14 | |
| 11.5 to 13.5 |
| Iron (Fe), % | 82.3 to 87.9 | |
| 75.9 to 82.4 |
| Manganese (Mn), % | 0 to 1.0 | |
| 0 to 0.5 |
| Molybdenum (Mo), % | 0 to 0.5 | |
| 1.5 to 2.5 |
| Nickel (Ni), % | 0 to 0.75 | |
| 4.5 to 6.5 |
| Phosphorus (P), % | 0 to 0.040 | |
| 0 to 0.040 |
| Silicon (Si), % | 0 to 1.0 | |
| 0 to 0.5 |
| Sulfur (S), % | 0 to 0.030 | |
| 0 to 0.015 |
| Titanium (Ti), % | 0 | |
| 0 to 0.010 |
| Vanadium (V), % | 0 | |
| 0.1 to 0.5 |