AISI 420 Stainless Steel vs. EN 1.4923 Stainless Steel
Both AISI 420 stainless steel and EN 1.4923 stainless steel are iron alloys. They have a very high 98% of their average alloy composition in common. There are 32 material properties with values for both materials. Properties with values for just one material (4, 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 1.4923 stainless steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 190 | |
| 190 |
| Elongation at Break, % | 8.0 to 15 | |
| 12 to 21 |
| Fatigue Strength, MPa | 220 to 670 | |
| 300 to 440 |
| Poisson's Ratio | 0.28 | |
| 0.28 |
| Shear Modulus, GPa | 76 | |
| 76 |
| Shear Strength, MPa | 420 to 1010 | |
| 540 to 590 |
| Tensile Strength: Ultimate (UTS), MPa | 690 to 1720 | |
| 870 to 980 |
| Tensile Strength: Yield (Proof), MPa | 380 to 1310 | |
| 470 to 780 |
Thermal Properties
| Latent Heat of Fusion, J/g | 280 | |
| 270 |
| Maximum Temperature: Corrosion, °C | 390 | |
| 380 |
| Maximum Temperature: Mechanical, °C | 620 | |
| 740 |
| Melting Completion (Liquidus), °C | 1510 | |
| 1450 |
| Melting Onset (Solidus), °C | 1450 | |
| 1410 |
| Specific Heat Capacity, J/kg-K | 480 | |
| 480 |
| Thermal Conductivity, W/m-K | 27 | |
| 24 |
| Thermal Expansion, µm/m-K | 10 | |
| 11 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 3.0 | |
| 2.9 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 3.5 | |
| 3.3 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 7.5 | |
| 8.0 |
| Density, g/cm3 | 7.7 | |
| 7.8 |
| Embodied Carbon, kg CO2/kg material | 2.0 | |
| 2.9 |
| Embodied Energy, MJ/kg | 28 | |
| 41 |
| Embodied Water, L/kg | 100 | |
| 100 |
Common Calculations
| PREN (Pitting Resistance) | 14 | |
| 15 |
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 88 to 130 | |
| 110 to 150 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 380 to 4410 | |
| 570 to 1580 |
| Stiffness to Weight: Axial, points | 14 | |
| 14 |
| Stiffness to Weight: Bending, points | 25 | |
| 25 |
| Strength to Weight: Axial, points | 25 to 62 | |
| 31 to 35 |
| Strength to Weight: Bending, points | 22 to 41 | |
| 26 to 28 |
| Thermal Diffusivity, mm2/s | 7.3 | |
| 6.5 |
| Thermal Shock Resistance, points | 25 to 62 | |
| 30 to 34 |
Alloy Composition
| Carbon (C), % | 0.15 to 0.4 | |
| 0.18 to 0.24 |
| Chromium (Cr), % | 12 to 14 | |
| 11 to 12.5 |
| Iron (Fe), % | 82.3 to 87.9 | |
| 83.5 to 87.1 |
| Manganese (Mn), % | 0 to 1.0 | |
| 0.4 to 0.9 |
| Molybdenum (Mo), % | 0 to 0.5 | |
| 0.8 to 1.2 |
| Nickel (Ni), % | 0 to 0.75 | |
| 0.3 to 0.8 |
| Phosphorus (P), % | 0 to 0.040 | |
| 0 to 0.025 |
| Silicon (Si), % | 0 to 1.0 | |
| 0 to 0.5 |
| Sulfur (S), % | 0 to 0.030 | |
| 0 to 0.015 |
| Vanadium (V), % | 0 | |
| 0.25 to 0.35 |