EN 1.3543 Stainless Steel vs. EN 1.3549 Stainless Steel
Both EN 1.3543 stainless steel and EN 1.3549 stainless steel are iron alloys. Both are furnished in the spheroidized condition. Their average alloy composition is basically identical.
For each property being compared, the top bar is EN 1.3543 stainless steel and the bottom bar is EN 1.3549 stainless steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Brinell Hardness | 220 | |
| 220 |
| Elastic (Young's, Tensile) Modulus, GPa | 200 | |
| 200 |
| Poisson's Ratio | 0.28 | |
| 0.28 |
| Shear Modulus, GPa | 76 | |
| 77 |
| Tensile Strength: Ultimate (UTS), MPa | 730 | |
| 730 |
Thermal Properties
| Latent Heat of Fusion, J/g | 280 | |
| 280 |
| Maximum Temperature: Corrosion, °C | 390 | |
| 400 |
| Maximum Temperature: Mechanical, °C | 870 | |
| 910 |
| Melting Completion (Liquidus), °C | 1430 | |
| 1430 |
| Melting Onset (Solidus), °C | 1390 | |
| 1390 |
| Specific Heat Capacity, J/kg-K | 480 | |
| 480 |
| Thermal Conductivity, W/m-K | 22 | |
| 21 |
| Thermal Expansion, µm/m-K | 10 | |
| 10 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 2.5 | |
| 2.3 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 3.0 | |
| 2.7 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 9.0 | |
| 10 |
| Density, g/cm3 | 7.7 | |
| 7.7 |
| Embodied Carbon, kg CO2/kg material | 2.3 | |
| 2.6 |
| Embodied Energy, MJ/kg | 32 | |
| 37 |
| Embodied Water, L/kg | 120 | |
| 130 |
Common Calculations
| PREN (Pitting Resistance) | 19 | |
| 22 |
| Stiffness to Weight: Axial, points | 14 | |
| 14 |
| Stiffness to Weight: Bending, points | 25 | |
| 25 |
| Strength to Weight: Axial, points | 27 | |
| 27 |
| Strength to Weight: Bending, points | 24 | |
| 24 |
| Thermal Diffusivity, mm2/s | 6.1 | |
| 5.6 |
| Thermal Shock Resistance, points | 26 | |
| 26 |
Alloy Composition
| Carbon (C), % | 1.0 to 1.2 | |
| 0.85 to 1.0 |
| Chromium (Cr), % | 16 to 18 | |
| 17 to 19 |
| Iron (Fe), % | 79.1 to 83.6 | |
| 77.5 to 82 |
| Manganese (Mn), % | 0 to 1.0 | |
| 0 to 1.0 |
| Molybdenum (Mo), % | 0.4 to 0.8 | |
| 0.9 to 1.3 |
| Phosphorus (P), % | 0 to 0.040 | |
| 0 to 0.040 |
| Silicon (Si), % | 0 to 1.0 | |
| 0 to 1.0 |
| Sulfur (S), % | 0 to 0.030 | |
| 0 to 0.030 |
| Vanadium (V), % | 0 | |
| 0.070 to 0.12 |