EN 1.6554 Steel vs. AISI 204 Stainless Steel
Both EN 1.6554 steel and AISI 204 stainless steel are iron alloys. They have 76% of their average alloy composition in common. There are 30 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.
For each property being compared, the top bar is EN 1.6554 steel and the bottom bar is AISI 204 stainless steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Brinell Hardness | 230 to 280 | |
| 210 to 330 |
| Elastic (Young's, Tensile) Modulus, GPa | 190 | |
| 200 |
| Elongation at Break, % | 17 to 21 | |
| 23 to 39 |
| Fatigue Strength, MPa | 380 to 520 | |
| 320 to 720 |
| Poisson's Ratio | 0.29 | |
| 0.28 |
| Shear Modulus, GPa | 73 | |
| 77 |
| Tensile Strength: Ultimate (UTS), MPa | 780 to 930 | |
| 730 to 1100 |
| Tensile Strength: Yield (Proof), MPa | 550 to 790 | |
| 380 to 1080 |
Thermal Properties
| Latent Heat of Fusion, J/g | 250 | |
| 280 |
| Maximum Temperature: Mechanical, °C | 420 | |
| 850 |
| Melting Completion (Liquidus), °C | 1460 | |
| 1410 |
| Melting Onset (Solidus), °C | 1420 | |
| 1370 |
| Specific Heat Capacity, J/kg-K | 470 | |
| 480 |
| Thermal Conductivity, W/m-K | 40 | |
| 15 |
| Thermal Expansion, µm/m-K | 13 | |
| 17 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 7.6 | |
| 2.4 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 8.7 | |
| 2.9 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 3.4 | |
| 10 |
| Density, g/cm3 | 7.9 | |
| 7.7 |
| Embodied Carbon, kg CO2/kg material | 1.7 | |
| 2.4 |
| Embodied Energy, MJ/kg | 22 | |
| 35 |
| Embodied Water, L/kg | 53 | |
| 130 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 140 to 150 | |
| 240 to 250 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 810 to 1650 | |
| 360 to 2940 |
| Stiffness to Weight: Axial, points | 13 | |
| 14 |
| Stiffness to Weight: Bending, points | 24 | |
| 25 |
| Strength to Weight: Axial, points | 27 to 33 | |
| 27 to 40 |
| Strength to Weight: Bending, points | 24 to 27 | |
| 24 to 31 |
| Thermal Diffusivity, mm2/s | 11 | |
| 4.1 |
| Thermal Shock Resistance, points | 23 to 27 | |
| 16 to 24 |
Alloy Composition
| Carbon (C), % | 0.23 to 0.28 | |
| 0 to 0.030 |
| Chromium (Cr), % | 0.7 to 0.9 | |
| 15 to 17 |
| Copper (Cu), % | 0 to 0.3 | |
| 0 |
| Iron (Fe), % | 94.6 to 97.3 | |
| 69.6 to 76.4 |
| Manganese (Mn), % | 0.6 to 0.9 | |
| 7.0 to 9.0 |
| Molybdenum (Mo), % | 0.2 to 0.3 | |
| 0 |
| Nickel (Ni), % | 1.0 to 2.0 | |
| 1.5 to 3.0 |
| Nitrogen (N), % | 0 | |
| 0.15 to 0.3 |
| 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 |