EN 1.7231 Steel vs. N08811 Stainless Steel
Both EN 1.7231 steel and N08811 stainless steel are iron alloys. They have 47% of their average alloy composition in common. There are 29 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.
For each property being compared, the top bar is EN 1.7231 steel and the bottom bar is N08811 stainless steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 190 | |
| 200 |
| Elongation at Break, % | 11 to 12 | |
| 33 |
| Fatigue Strength, MPa | 360 to 500 | |
| 150 |
| Poisson's Ratio | 0.29 | |
| 0.28 |
| Shear Modulus, GPa | 73 | |
| 77 |
| Tensile Strength: Ultimate (UTS), MPa | 790 to 930 | |
| 510 |
| Tensile Strength: Yield (Proof), MPa | 570 to 800 | |
| 190 |
Thermal Properties
| Latent Heat of Fusion, J/g | 250 | |
| 300 |
| Maximum Temperature: Mechanical, °C | 420 | |
| 1100 |
| Melting Completion (Liquidus), °C | 1460 | |
| 1390 |
| Melting Onset (Solidus), °C | 1420 | |
| 1360 |
| Specific Heat Capacity, J/kg-K | 470 | |
| 480 |
| Thermal Conductivity, W/m-K | 46 | |
| 12 |
| Thermal Expansion, µm/m-K | 13 | |
| 14 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 7.3 | |
| 1.7 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 8.4 | |
| 2.0 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 2.5 | |
| 30 |
| Density, g/cm3 | 7.8 | |
| 8.0 |
| Embodied Carbon, kg CO2/kg material | 1.5 | |
| 5.3 |
| Embodied Energy, MJ/kg | 20 | |
| 76 |
| Embodied Water, L/kg | 51 | |
| 200 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 87 to 100 | |
| 130 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 870 to 1700 | |
| 94 |
| Stiffness to Weight: Axial, points | 13 | |
| 14 |
| Stiffness to Weight: Bending, points | 24 | |
| 24 |
| Strength to Weight: Axial, points | 28 to 33 | |
| 18 |
| Strength to Weight: Bending, points | 24 to 27 | |
| 18 |
| Thermal Diffusivity, mm2/s | 12 | |
| 3.0 |
| Thermal Shock Resistance, points | 23 to 27 | |
| 13 |
Alloy Composition
| Aluminum (Al), % | 0 | |
| 0.15 to 0.6 |
| Carbon (C), % | 0.38 to 0.45 | |
| 0.060 to 0.1 |
| Chromium (Cr), % | 0.8 to 1.2 | |
| 19 to 23 |
| Copper (Cu), % | 0 | |
| 0 to 0.75 |
| Iron (Fe), % | 96.4 to 98.1 | |
| 39.5 to 50.6 |
| Manganese (Mn), % | 0.6 to 1.0 | |
| 0 to 1.5 |
| Molybdenum (Mo), % | 0.15 to 0.3 | |
| 0 |
| Nickel (Ni), % | 0 | |
| 30 to 35 |
| Phosphorus (P), % | 0 to 0.025 | |
| 0 to 0.040 |
| Silicon (Si), % | 0 to 0.6 | |
| 0 to 1.0 |
| Sulfur (S), % | 0 to 0.030 | |
| 0 to 0.015 |
| Titanium (Ti), % | 0 | |
| 0.15 to 0.6 |