EN 1.5525 Steel vs. EN 1.4640 Stainless Steel
Both EN 1.5525 steel and EN 1.4640 stainless steel are iron alloys. They have 72% 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 1.5525 steel and the bottom bar is EN 1.4640 stainless steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Brinell Hardness | 130 to 180 | |
| 190 to 200 |
| Elastic (Young's, Tensile) Modulus, GPa | 190 | |
| 200 |
| Elongation at Break, % | 11 to 21 | |
| 51 |
| Fatigue Strength, MPa | 210 to 310 | |
| 230 to 250 |
| Poisson's Ratio | 0.29 | |
| 0.28 |
| Shear Modulus, GPa | 73 | |
| 77 |
| Shear Strength, MPa | 310 to 350 | |
| 440 to 460 |
| Tensile Strength: Ultimate (UTS), MPa | 440 to 1440 | |
| 620 to 650 |
| Tensile Strength: Yield (Proof), MPa | 300 to 490 | |
| 240 to 260 |
Thermal Properties
| Latent Heat of Fusion, J/g | 250 | |
| 280 |
| Maximum Temperature: Mechanical, °C | 400 | |
| 930 |
| Melting Completion (Liquidus), °C | 1460 | |
| 1420 |
| Melting Onset (Solidus), °C | 1420 | |
| 1380 |
| Specific Heat Capacity, J/kg-K | 470 | |
| 480 |
| Thermal Conductivity, W/m-K | 50 | |
| 15 |
| Thermal Expansion, µm/m-K | 13 | |
| 16 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 7.1 | |
| 2.4 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 8.2 | |
| 2.7 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 1.9 | |
| 14 |
| Density, g/cm3 | 7.8 | |
| 7.8 |
| Embodied Carbon, kg CO2/kg material | 1.4 | |
| 2.8 |
| Embodied Energy, MJ/kg | 19 | |
| 40 |
| Embodied Water, L/kg | 48 | |
| 150 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 44 to 240 | |
| 250 to 260 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 240 to 640 | |
| 150 to 170 |
| Stiffness to Weight: Axial, points | 13 | |
| 14 |
| Stiffness to Weight: Bending, points | 24 | |
| 25 |
| Strength to Weight: Axial, points | 16 to 51 | |
| 22 to 23 |
| Strength to Weight: Bending, points | 16 to 36 | |
| 21 |
| Thermal Diffusivity, mm2/s | 13 | |
| 4.0 |
| Thermal Shock Resistance, points | 13 to 42 | |
| 14 to 15 |
Alloy Composition
| Boron (B), % | 0.00080 to 0.0050 | |
| 0 |
| Carbon (C), % | 0.18 to 0.23 | |
| 0.030 to 0.080 |
| Chromium (Cr), % | 0 to 0.3 | |
| 18 to 19 |
| Copper (Cu), % | 0 to 0.25 | |
| 1.3 to 2.0 |
| Iron (Fe), % | 97.7 to 98.9 | |
| 67.4 to 73.6 |
| Manganese (Mn), % | 0.9 to 1.2 | |
| 1.5 to 4.0 |
| Nickel (Ni), % | 0 | |
| 5.5 to 6.9 |
| Nitrogen (N), % | 0 | |
| 0.030 to 0.11 |
| Phosphorus (P), % | 0 to 0.025 | |
| 0 to 0.045 |
| Silicon (Si), % | 0 to 0.3 | |
| 0 to 0.5 |
| Sulfur (S), % | 0 to 0.025 | |
| 0 to 0.015 |