EN 1.6554 Steel vs. S45000 Stainless Steel
Both EN 1.6554 steel and S45000 stainless steel are iron alloys. They have 79% of their average alloy composition in common. There are 30 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.
For each property being compared, the top bar is EN 1.6554 steel and the bottom bar is S45000 stainless steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Brinell Hardness | 230 to 280 | |
| 280 to 410 |
| Elastic (Young's, Tensile) Modulus, GPa | 190 | |
| 200 |
| Elongation at Break, % | 17 to 21 | |
| 6.8 to 14 |
| Fatigue Strength, MPa | 380 to 520 | |
| 330 to 650 |
| Poisson's Ratio | 0.29 | |
| 0.28 |
| Shear Modulus, GPa | 73 | |
| 76 |
| Tensile Strength: Ultimate (UTS), MPa | 780 to 930 | |
| 980 to 1410 |
| Tensile Strength: Yield (Proof), MPa | 550 to 790 | |
| 580 to 1310 |
Thermal Properties
| Latent Heat of Fusion, J/g | 250 | |
| 280 |
| Maximum Temperature: Mechanical, °C | 420 | |
| 840 |
| Melting Completion (Liquidus), °C | 1460 | |
| 1440 |
| Melting Onset (Solidus), °C | 1420 | |
| 1390 |
| Specific Heat Capacity, J/kg-K | 470 | |
| 480 |
| Thermal Conductivity, W/m-K | 40 | |
| 17 |
| Thermal Expansion, µm/m-K | 13 | |
| 11 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 7.6 | |
| 2.2 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 8.7 | |
| 2.5 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 3.4 | |
| 13 |
| Density, g/cm3 | 7.9 | |
| 7.8 |
| Embodied Carbon, kg CO2/kg material | 1.7 | |
| 2.8 |
| Embodied Energy, MJ/kg | 22 | |
| 39 |
| Embodied Water, L/kg | 53 | |
| 130 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 140 to 150 | |
| 94 to 160 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 810 to 1650 | |
| 850 to 4400 |
| Stiffness to Weight: Axial, points | 13 | |
| 14 |
| Stiffness to Weight: Bending, points | 24 | |
| 25 |
| Strength to Weight: Axial, points | 27 to 33 | |
| 35 to 50 |
| Strength to Weight: Bending, points | 24 to 27 | |
| 28 to 36 |
| Thermal Diffusivity, mm2/s | 11 | |
| 4.5 |
| Thermal Shock Resistance, points | 23 to 27 | |
| 33 to 47 |
Alloy Composition
| Carbon (C), % | 0.23 to 0.28 | |
| 0 to 0.050 |
| Chromium (Cr), % | 0.7 to 0.9 | |
| 14 to 16 |
| Copper (Cu), % | 0 to 0.3 | |
| 1.3 to 1.8 |
| Iron (Fe), % | 94.6 to 97.3 | |
| 72.1 to 79.3 |
| Manganese (Mn), % | 0.6 to 0.9 | |
| 0 to 1.0 |
| Molybdenum (Mo), % | 0.2 to 0.3 | |
| 0.5 to 1.0 |
| Nickel (Ni), % | 1.0 to 2.0 | |
| 5.0 to 7.0 |
| 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 0.030 |
| Vanadium (V), % | 0 to 0.030 | |
| 0 |