EN 1.6554 Steel vs. EN 1.4031 Stainless Steel
Both EN 1.6554 steel and EN 1.4031 stainless steel are iron alloys. They have 87% 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 1.6554 steel and the bottom bar is EN 1.4031 stainless steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 190 | |
| 190 |
| Elongation at Break, % | 17 to 21 | |
| 11 to 13 |
| Fatigue Strength, MPa | 380 to 520 | |
| 220 to 400 |
| Poisson's Ratio | 0.29 | |
| 0.28 |
| Shear Modulus, GPa | 73 | |
| 76 |
| Tensile Strength: Ultimate (UTS), MPa | 780 to 930 | |
| 670 to 900 |
| Tensile Strength: Yield (Proof), MPa | 550 to 790 | |
| 390 to 730 |
Thermal Properties
| Latent Heat of Fusion, J/g | 250 | |
| 280 |
| Maximum Temperature: Mechanical, °C | 420 | |
| 770 |
| Melting Completion (Liquidus), °C | 1460 | |
| 1440 |
| Melting Onset (Solidus), °C | 1420 | |
| 1400 |
| Specific Heat Capacity, J/kg-K | 470 | |
| 480 |
| Thermal Conductivity, W/m-K | 40 | |
| 30 |
| Thermal Expansion, µm/m-K | 13 | |
| 11 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 7.6 | |
| 3.1 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 8.7 | |
| 3.7 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 3.4 | |
| 7.0 |
| Density, g/cm3 | 7.9 | |
| 7.7 |
| Embodied Carbon, kg CO2/kg material | 1.7 | |
| 1.9 |
| Embodied Energy, MJ/kg | 22 | |
| 27 |
| Embodied Water, L/kg | 53 | |
| 100 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 140 to 150 | |
| 77 to 94 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 810 to 1650 | |
| 380 to 1360 |
| Stiffness to Weight: Axial, points | 13 | |
| 14 |
| Stiffness to Weight: Bending, points | 24 | |
| 25 |
| Strength to Weight: Axial, points | 27 to 33 | |
| 24 to 32 |
| Strength to Weight: Bending, points | 24 to 27 | |
| 22 to 27 |
| Thermal Diffusivity, mm2/s | 11 | |
| 8.1 |
| Thermal Shock Resistance, points | 23 to 27 | |
| 23 to 32 |
Alloy Composition
| Carbon (C), % | 0.23 to 0.28 | |
| 0.36 to 0.42 |
| Chromium (Cr), % | 0.7 to 0.9 | |
| 12.5 to 14.5 |
| Copper (Cu), % | 0 to 0.3 | |
| 0 |
| Iron (Fe), % | 94.6 to 97.3 | |
| 83 to 87.1 |
| Manganese (Mn), % | 0.6 to 0.9 | |
| 0 to 1.0 |
| Molybdenum (Mo), % | 0.2 to 0.3 | |
| 0 |
| Nickel (Ni), % | 1.0 to 2.0 | |
| 0 |
| Phosphorus (P), % | 0 to 0.030 | |
| 0 to 0.040 |
| Silicon (Si), % | 0 to 0.6 | |
| 0 to 1.0 |
| Sulfur (S), % | 0 to 0.025 | |
| 0 to 0.015 |
| Vanadium (V), % | 0 to 0.030 | |
| 0 |