EN 1.4418 Stainless Steel vs. AISI 305 Stainless Steel
Both EN 1.4418 stainless steel and AISI 305 stainless steel are iron alloys. They have a moderately high 91% 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 EN 1.4418 stainless steel and the bottom bar is AISI 305 stainless steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 200 | |
| 200 |
| Elongation at Break, % | 16 to 20 | |
| 34 to 45 |
| Fatigue Strength, MPa | 350 to 480 | |
| 210 to 280 |
| Poisson's Ratio | 0.28 | |
| 0.28 |
| Shear Modulus, GPa | 77 | |
| 77 |
| Shear Strength, MPa | 530 to 620 | |
| 400 to 470 |
| Tensile Strength: Ultimate (UTS), MPa | 860 to 1000 | |
| 580 to 710 |
| Tensile Strength: Yield (Proof), MPa | 540 to 790 | |
| 230 to 350 |
Thermal Properties
| Latent Heat of Fusion, J/g | 280 | |
| 290 |
| Maximum Temperature: Corrosion, °C | 410 | |
| 410 |
| Maximum Temperature: Mechanical, °C | 870 | |
| 540 |
| Melting Completion (Liquidus), °C | 1450 | |
| 1450 |
| Melting Onset (Solidus), °C | 1400 | |
| 1400 |
| Specific Heat Capacity, J/kg-K | 480 | |
| 480 |
| Thermal Conductivity, W/m-K | 15 | |
| 16 |
| Thermal Expansion, µm/m-K | 10 | |
| 17 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 2.2 | |
| 2.4 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 2.5 | |
| 2.7 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 13 | |
| 16 |
| Density, g/cm3 | 7.8 | |
| 7.8 |
| Embodied Carbon, kg CO2/kg material | 2.8 | |
| 3.2 |
| Embodied Energy, MJ/kg | 39 | |
| 45 |
| Embodied Water, L/kg | 130 | |
| 150 |
Common Calculations
| PREN (Pitting Resistance) | 20 | |
| 18 |
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 130 to 170 | |
| 200 to 210 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 730 to 1590 | |
| 130 to 320 |
| Stiffness to Weight: Axial, points | 14 | |
| 14 |
| Stiffness to Weight: Bending, points | 25 | |
| 25 |
| Strength to Weight: Axial, points | 31 to 36 | |
| 20 to 25 |
| Strength to Weight: Bending, points | 26 to 28 | |
| 20 to 23 |
| Thermal Diffusivity, mm2/s | 4.0 | |
| 4.2 |
| Thermal Shock Resistance, points | 31 to 36 | |
| 13 to 15 |
Alloy Composition
| Carbon (C), % | 0 to 0.060 | |
| 0 to 0.12 |
| Chromium (Cr), % | 15 to 17 | |
| 17 to 19 |
| Iron (Fe), % | 73.2 to 80.2 | |
| 65.1 to 72.5 |
| Manganese (Mn), % | 0 to 1.5 | |
| 0 to 2.0 |
| Molybdenum (Mo), % | 0.8 to 1.5 | |
| 0 |
| Nickel (Ni), % | 4.0 to 6.0 | |
| 10.5 to 13 |
| Nitrogen (N), % | 0 to 0.020 | |
| 0 |
| Phosphorus (P), % | 0 to 0.040 | |
| 0 to 0.045 |
| Silicon (Si), % | 0 to 0.7 | |
| 0 to 0.75 |
| Sulfur (S), % | 0 to 0.015 | |
| 0 to 0.030 |