EN 1.5520 Steel vs. EN 1.4525 Stainless Steel
Both EN 1.5520 steel and EN 1.4525 stainless steel are iron alloys. They have 76% of their average alloy composition in common. There are 29 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.
For each property being compared, the top bar is EN 1.5520 steel and the bottom bar is EN 1.4525 stainless steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 190 | |
| 190 |
| Elongation at Break, % | 11 to 21 | |
| 5.6 to 13 |
| Fatigue Strength, MPa | 210 to 300 | |
| 480 to 540 |
| Poisson's Ratio | 0.29 | |
| 0.28 |
| Shear Modulus, GPa | 73 | |
| 76 |
| Tensile Strength: Ultimate (UTS), MPa | 410 to 1410 | |
| 1030 to 1250 |
| Tensile Strength: Yield (Proof), MPa | 300 to 480 | |
| 840 to 1120 |
Thermal Properties
| Latent Heat of Fusion, J/g | 250 | |
| 280 |
| Maximum Temperature: Mechanical, °C | 400 | |
| 860 |
| Melting Completion (Liquidus), °C | 1460 | |
| 1430 |
| Melting Onset (Solidus), °C | 1420 | |
| 1390 |
| Specific Heat Capacity, J/kg-K | 470 | |
| 480 |
| Thermal Conductivity, W/m-K | 50 | |
| 18 |
| Thermal Expansion, µm/m-K | 13 | |
| 11 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 7.1 | |
| 2.2 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 8.2 | |
| 2.6 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 1.9 | |
| 13 |
| Density, g/cm3 | 7.8 | |
| 7.8 |
| Embodied Carbon, kg CO2/kg material | 1.4 | |
| 2.8 |
| Embodied Energy, MJ/kg | 19 | |
| 39 |
| Embodied Water, L/kg | 48 | |
| 130 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 42 to 230 | |
| 68 to 130 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 240 to 600 | |
| 1820 to 3230 |
| Stiffness to Weight: Axial, points | 13 | |
| 14 |
| Stiffness to Weight: Bending, points | 24 | |
| 25 |
| Strength to Weight: Axial, points | 15 to 50 | |
| 36 to 45 |
| Strength to Weight: Bending, points | 16 to 36 | |
| 29 to 33 |
| Thermal Diffusivity, mm2/s | 13 | |
| 4.7 |
| Thermal Shock Resistance, points | 12 to 41 | |
| 34 to 41 |
Alloy Composition
| Boron (B), % | 0.00080 to 0.0050 | |
| 0 |
| Carbon (C), % | 0.15 to 0.2 | |
| 0 to 0.070 |
| Chromium (Cr), % | 0 to 0.3 | |
| 15 to 17 |
| Copper (Cu), % | 0 to 0.25 | |
| 2.5 to 4.0 |
| Iron (Fe), % | 97.7 to 98.9 | |
| 70.4 to 79 |
| Manganese (Mn), % | 0.9 to 1.2 | |
| 0 to 1.0 |
| Molybdenum (Mo), % | 0 | |
| 0 to 0.8 |
| Nickel (Ni), % | 0 | |
| 3.5 to 5.5 |
| Niobium (Nb), % | 0 | |
| 0 to 0.35 |
| Nitrogen (N), % | 0 | |
| 0 to 0.050 |
| Phosphorus (P), % | 0 to 0.025 | |
| 0 to 0.035 |
| Silicon (Si), % | 0 to 0.3 | |
| 0 to 0.8 |
| Sulfur (S), % | 0 to 0.025 | |
| 0 to 0.025 |