EN 1.4571 Stainless Steel vs. EN 1.5520 Steel
Both EN 1.4571 stainless steel and EN 1.5520 steel are iron alloys. They have 68% of their average alloy composition in common. There are 31 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 1.4571 stainless steel and the bottom bar is EN 1.5520 steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Brinell Hardness | 190 to 270 | |
| 120 to 170 |
| Elastic (Young's, Tensile) Modulus, GPa | 200 | |
| 190 |
| Elongation at Break, % | 14 to 40 | |
| 11 to 21 |
| Fatigue Strength, MPa | 200 to 330 | |
| 210 to 300 |
| Poisson's Ratio | 0.28 | |
| 0.29 |
| Shear Modulus, GPa | 78 | |
| 73 |
| Shear Strength, MPa | 410 to 550 | |
| 290 to 340 |
| Tensile Strength: Ultimate (UTS), MPa | 600 to 900 | |
| 410 to 1410 |
| Tensile Strength: Yield (Proof), MPa | 230 to 570 | |
| 300 to 480 |
Thermal Properties
| Latent Heat of Fusion, J/g | 290 | |
| 250 |
| Maximum Temperature: Mechanical, °C | 950 | |
| 400 |
| Melting Completion (Liquidus), °C | 1440 | |
| 1460 |
| Melting Onset (Solidus), °C | 1400 | |
| 1420 |
| Specific Heat Capacity, J/kg-K | 470 | |
| 470 |
| Thermal Conductivity, W/m-K | 15 | |
| 50 |
| Thermal Expansion, µm/m-K | 17 | |
| 13 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 2.3 | |
| 7.1 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 2.6 | |
| 8.2 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 19 | |
| 1.9 |
| Density, g/cm3 | 7.9 | |
| 7.8 |
| Embodied Carbon, kg CO2/kg material | 3.9 | |
| 1.4 |
| Embodied Energy, MJ/kg | 54 | |
| 19 |
| Embodied Water, L/kg | 150 | |
| 48 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 110 to 190 | |
| 42 to 230 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 130 to 820 | |
| 240 to 600 |
| Stiffness to Weight: Axial, points | 14 | |
| 13 |
| Stiffness to Weight: Bending, points | 25 | |
| 24 |
| Strength to Weight: Axial, points | 21 to 32 | |
| 15 to 50 |
| Strength to Weight: Bending, points | 20 to 26 | |
| 16 to 36 |
| Thermal Diffusivity, mm2/s | 4.0 | |
| 13 |
| Thermal Shock Resistance, points | 13 to 20 | |
| 12 to 41 |
Alloy Composition
| Boron (B), % | 0 | |
| 0.00080 to 0.0050 |
| Carbon (C), % | 0 to 0.080 | |
| 0.15 to 0.2 |
| Chromium (Cr), % | 16.5 to 18.5 | |
| 0 to 0.3 |
| Copper (Cu), % | 0 | |
| 0 to 0.25 |
| Iron (Fe), % | 61.7 to 71 | |
| 97.7 to 98.9 |
| Manganese (Mn), % | 0 to 2.0 | |
| 0.9 to 1.2 |
| Molybdenum (Mo), % | 2.0 to 2.5 | |
| 0 |
| Nickel (Ni), % | 10.5 to 13.5 | |
| 0 |
| Phosphorus (P), % | 0 to 0.045 | |
| 0 to 0.025 |
| Silicon (Si), % | 0 to 1.0 | |
| 0 to 0.3 |
| Sulfur (S), % | 0 to 0.015 | |
| 0 to 0.025 |
| Titanium (Ti), % | 0 to 0.7 | |
| 0 |