EN 1.4415 Stainless Steel vs. EN 1.5535 Steel
Both EN 1.4415 stainless steel and EN 1.5535 steel are iron alloys. They have 80% of their average alloy composition in common. There are 30 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 1.4415 stainless steel and the bottom bar is EN 1.5535 steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 200 | |
| 190 |
| Elongation at Break, % | 17 to 20 | |
| 11 to 22 |
| Fatigue Strength, MPa | 470 to 510 | |
| 210 to 320 |
| Poisson's Ratio | 0.28 | |
| 0.29 |
| Shear Modulus, GPa | 77 | |
| 73 |
| Shear Strength, MPa | 520 to 570 | |
| 320 to 370 |
| Tensile Strength: Ultimate (UTS), MPa | 830 to 930 | |
| 450 to 1490 |
| Tensile Strength: Yield (Proof), MPa | 730 to 840 | |
| 300 to 500 |
Thermal Properties
| Latent Heat of Fusion, J/g | 280 | |
| 250 |
| Maximum Temperature: Mechanical, °C | 790 | |
| 400 |
| Melting Completion (Liquidus), °C | 1460 | |
| 1460 |
| Melting Onset (Solidus), °C | 1420 | |
| 1420 |
| Specific Heat Capacity, J/kg-K | 470 | |
| 470 |
| Thermal Conductivity, W/m-K | 19 | |
| 50 |
| Thermal Expansion, µm/m-K | 9.9 | |
| 13 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 2.4 | |
| 7.2 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 2.8 | |
| 8.2 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 13 | |
| 1.9 |
| Density, g/cm3 | 7.9 | |
| 7.8 |
| Embodied Carbon, kg CO2/kg material | 3.6 | |
| 1.4 |
| Embodied Energy, MJ/kg | 51 | |
| 19 |
| Embodied Water, L/kg | 120 | |
| 48 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 150 to 160 | |
| 45 to 250 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 1350 to 1790 | |
| 240 to 680 |
| Stiffness to Weight: Axial, points | 14 | |
| 13 |
| Stiffness to Weight: Bending, points | 25 | |
| 24 |
| Strength to Weight: Axial, points | 29 to 33 | |
| 16 to 53 |
| Strength to Weight: Bending, points | 25 to 27 | |
| 17 to 37 |
| Thermal Diffusivity, mm2/s | 5.1 | |
| 13 |
| Thermal Shock Resistance, points | 30 to 34 | |
| 13 to 44 |
Alloy Composition
| Boron (B), % | 0 | |
| 0.00080 to 0.0050 |
| Carbon (C), % | 0 to 0.030 | |
| 0.2 to 0.25 |
| Chromium (Cr), % | 11.5 to 13.5 | |
| 0 to 0.3 |
| Copper (Cu), % | 0 | |
| 0 to 0.25 |
| Iron (Fe), % | 75.9 to 82.4 | |
| 97.6 to 98.9 |
| Manganese (Mn), % | 0 to 0.5 | |
| 0.9 to 1.2 |
| Molybdenum (Mo), % | 1.5 to 2.5 | |
| 0 |
| Nickel (Ni), % | 4.5 to 6.5 | |
| 0 |
| Phosphorus (P), % | 0 to 0.040 | |
| 0 to 0.025 |
| Silicon (Si), % | 0 to 0.5 | |
| 0 to 0.3 |
| Sulfur (S), % | 0 to 0.015 | |
| 0 to 0.025 |
| Titanium (Ti), % | 0 to 0.010 | |
| 0 |
| Vanadium (V), % | 0.1 to 0.5 | |
| 0 |