AISI 204 Stainless Steel vs. EN 1.4371 Stainless Steel
Both AISI 204 stainless steel and EN 1.4371 stainless steel are iron alloys. They have a very high 97% of their average alloy composition in common.
For each property being compared, the top bar is AISI 204 stainless steel and the bottom bar is EN 1.4371 stainless steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Brinell Hardness | 210 to 330 | |
| 220 to 230 |
| Elastic (Young's, Tensile) Modulus, GPa | 200 | |
| 200 |
| Elongation at Break, % | 23 to 39 | |
| 45 to 51 |
| Fatigue Strength, MPa | 320 to 720 | |
| 290 to 340 |
| Poisson's Ratio | 0.28 | |
| 0.28 |
| Shear Modulus, GPa | 77 | |
| 77 |
| Shear Strength, MPa | 500 to 700 | |
| 520 to 540 |
| Tensile Strength: Ultimate (UTS), MPa | 730 to 1100 | |
| 740 to 750 |
| Tensile Strength: Yield (Proof), MPa | 380 to 1080 | |
| 320 to 340 |
Thermal Properties
| Latent Heat of Fusion, J/g | 280 | |
| 280 |
| Maximum Temperature: Corrosion, °C | 410 | |
| 410 |
| Maximum Temperature: Mechanical, °C | 850 | |
| 880 |
| Melting Completion (Liquidus), °C | 1410 | |
| 1410 |
| Melting Onset (Solidus), °C | 1370 | |
| 1370 |
| Specific Heat Capacity, J/kg-K | 480 | |
| 480 |
| Thermal Conductivity, W/m-K | 15 | |
| 15 |
| Thermal Expansion, µm/m-K | 17 | |
| 17 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 2.4 | |
| 2.5 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 2.9 | |
| 2.9 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 10 | |
| 12 |
| Density, g/cm3 | 7.7 | |
| 7.7 |
| Embodied Carbon, kg CO2/kg material | 2.4 | |
| 2.6 |
| Embodied Energy, MJ/kg | 35 | |
| 38 |
| Embodied Water, L/kg | 130 | |
| 140 |
Common Calculations
| PREN (Pitting Resistance) | 20 | |
| 20 |
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 240 to 250 | |
| 270 to 310 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 360 to 2940 | |
| 250 to 300 |
| Stiffness to Weight: Axial, points | 14 | |
| 14 |
| Stiffness to Weight: Bending, points | 25 | |
| 25 |
| Strength to Weight: Axial, points | 27 to 40 | |
| 27 |
| Strength to Weight: Bending, points | 24 to 31 | |
| 24 |
| Thermal Diffusivity, mm2/s | 4.1 | |
| 4.0 |
| Thermal Shock Resistance, points | 16 to 24 | |
| 16 |
Alloy Composition
| Carbon (C), % | 0 to 0.030 | |
| 0 to 0.030 |
| Chromium (Cr), % | 15 to 17 | |
| 16 to 17.5 |
| Copper (Cu), % | 0 | |
| 0 to 1.0 |
| Iron (Fe), % | 69.6 to 76.4 | |
| 66.7 to 74.4 |
| Manganese (Mn), % | 7.0 to 9.0 | |
| 6.0 to 8.0 |
| Nickel (Ni), % | 1.5 to 3.0 | |
| 3.5 to 5.5 |
| Nitrogen (N), % | 0.15 to 0.3 | |
| 0.15 to 0.25 |
| Phosphorus (P), % | 0 to 0.040 | |
| 0 to 0.045 |
| Silicon (Si), % | 0 to 1.0 | |
| 0 to 1.0 |
| Sulfur (S), % | 0 to 0.030 | |
| 0 to 0.015 |