EN 1.4662 Stainless Steel vs. EN 1.6771 Steel
Both EN 1.4662 stainless steel and EN 1.6771 steel are iron alloys. They have 72% of their average alloy composition in common. There are 30 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 EN 1.4662 stainless steel and the bottom bar is EN 1.6771 steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 200 | |
| 190 |
| Elongation at Break, % | 28 | |
| 8.0 to 8.7 |
| Fatigue Strength, MPa | 430 to 450 | |
| 440 to 680 |
| Poisson's Ratio | 0.27 | |
| 0.29 |
| Shear Modulus, GPa | 79 | |
| 73 |
| Tensile Strength: Ultimate (UTS), MPa | 810 to 830 | |
| 930 to 1180 |
| Tensile Strength: Yield (Proof), MPa | 580 to 620 | |
| 740 to 1140 |
Thermal Properties
| Latent Heat of Fusion, J/g | 290 | |
| 250 |
| Maximum Temperature: Mechanical, °C | 1090 | |
| 440 |
| Melting Completion (Liquidus), °C | 1430 | |
| 1460 |
| Melting Onset (Solidus), °C | 1380 | |
| 1420 |
| Specific Heat Capacity, J/kg-K | 480 | |
| 470 |
| Thermal Conductivity, W/m-K | 15 | |
| 46 |
| Thermal Expansion, µm/m-K | 13 | |
| 13 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 2.2 | |
| 8.0 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 2.5 | |
| 9.2 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 16 | |
| 5.0 |
| Density, g/cm3 | 7.7 | |
| 7.9 |
| Embodied Carbon, kg CO2/kg material | 3.2 | |
| 1.9 |
| Embodied Energy, MJ/kg | 45 | |
| 25 |
| Embodied Water, L/kg | 170 | |
| 58 |
Common Calculations
| PREN (Pitting Resistance) | 33 | |
| 2.5 |
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 210 | |
| 75 to 93 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 840 to 940 | |
| 1460 to 3450 |
| Stiffness to Weight: Axial, points | 15 | |
| 13 |
| Stiffness to Weight: Bending, points | 25 | |
| 24 |
| Strength to Weight: Axial, points | 29 to 30 | |
| 33 to 41 |
| Strength to Weight: Bending, points | 25 | |
| 27 to 31 |
| Thermal Diffusivity, mm2/s | 3.9 | |
| 13 |
| Thermal Shock Resistance, points | 22 | |
| 27 to 35 |
Alloy Composition
| Carbon (C), % | 0 to 0.030 | |
| 0.27 to 0.33 |
| Chromium (Cr), % | 23 to 25 | |
| 0.8 to 1.2 |
| Copper (Cu), % | 0.1 to 0.8 | |
| 0 |
| Iron (Fe), % | 62.6 to 70.2 | |
| 92.2 to 95 |
| Manganese (Mn), % | 2.5 to 4.0 | |
| 0.6 to 1.0 |
| Molybdenum (Mo), % | 1.0 to 2.0 | |
| 0.3 to 0.6 |
| Nickel (Ni), % | 3.0 to 4.5 | |
| 3.0 to 4.0 |
| Nitrogen (N), % | 0.2 to 0.3 | |
| 0 |
| Phosphorus (P), % | 0 to 0.035 | |
| 0 to 0.030 |
| Silicon (Si), % | 0 to 0.7 | |
| 0 to 0.6 |
| Sulfur (S), % | 0 to 0.0050 | |
| 0 to 0.020 |