EN 1.4371 Stainless Steel vs. EN 1.4618 Stainless Steel
Both EN 1.4371 stainless steel and EN 1.4618 stainless steel are iron alloys. They have a very high 97% of their average alloy composition in common. There are 33 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.
For each property being compared, the top bar is EN 1.4371 stainless steel and the bottom bar is EN 1.4618 stainless steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Brinell Hardness | 220 to 230 | |
| 200 to 210 |
| Elastic (Young's, Tensile) Modulus, GPa | 200 | |
| 200 |
| Elongation at Break, % | 45 to 51 | |
| 51 |
| Fatigue Strength, MPa | 290 to 340 | |
| 240 to 250 |
| Poisson's Ratio | 0.28 | |
| 0.28 |
| Shear Modulus, GPa | 77 | |
| 77 |
| Shear Strength, MPa | 520 to 540 | |
| 480 to 500 |
| Tensile Strength: Ultimate (UTS), MPa | 740 to 750 | |
| 680 to 700 |
| Tensile Strength: Yield (Proof), MPa | 320 to 340 | |
| 250 to 260 |
Thermal Properties
| Latent Heat of Fusion, J/g | 280 | |
| 280 |
| Maximum Temperature: Corrosion, °C | 410 | |
| 410 |
| Maximum Temperature: Mechanical, °C | 880 | |
| 900 |
| Melting Completion (Liquidus), °C | 1410 | |
| 1400 |
| Melting Onset (Solidus), °C | 1370 | |
| 1360 |
| Specific Heat Capacity, J/kg-K | 480 | |
| 480 |
| Thermal Conductivity, W/m-K | 15 | |
| 15 |
| Thermal Expansion, µm/m-K | 17 | |
| 16 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 2.5 | |
| 2.4 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 2.9 | |
| 2.7 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 12 | |
| 13 |
| Density, g/cm3 | 7.7 | |
| 7.7 |
| Embodied Carbon, kg CO2/kg material | 2.6 | |
| 2.7 |
| Embodied Energy, MJ/kg | 38 | |
| 39 |
| Embodied Water, L/kg | 140 | |
| 150 |
Common Calculations
| PREN (Pitting Resistance) | 20 | |
| 19 |
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 270 to 310 | |
| 270 to 280 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 250 to 300 | |
| 160 to 170 |
| Stiffness to Weight: Axial, points | 14 | |
| 14 |
| Stiffness to Weight: Bending, points | 25 | |
| 25 |
| Strength to Weight: Axial, points | 27 | |
| 24 to 25 |
| Strength to Weight: Bending, points | 24 | |
| 22 to 23 |
| Thermal Diffusivity, mm2/s | 4.0 | |
| 4.0 |
| Thermal Shock Resistance, points | 16 | |
| 15 to 16 |
Alloy Composition
| Carbon (C), % | 0 to 0.030 | |
| 0 to 0.1 |
| Chromium (Cr), % | 16 to 17.5 | |
| 16.5 to 18.5 |
| Copper (Cu), % | 0 to 1.0 | |
| 1.0 to 2.5 |
| Iron (Fe), % | 66.7 to 74.4 | |
| 62.7 to 72.5 |
| Manganese (Mn), % | 6.0 to 8.0 | |
| 5.5 to 9.5 |
| Nickel (Ni), % | 3.5 to 5.5 | |
| 4.5 to 5.5 |
| Nitrogen (N), % | 0.15 to 0.25 | |
| 0 to 0.15 |
| Phosphorus (P), % | 0 to 0.045 | |
| 0 to 0.070 |
| Silicon (Si), % | 0 to 1.0 | |
| 0 to 1.0 |
| Sulfur (S), % | 0 to 0.015 | |
| 0 to 0.010 |