EN 1.4305 Stainless Steel vs. AISI 204 Stainless Steel
Both EN 1.4305 stainless steel and AISI 204 stainless steel are iron alloys. They have a moderately high 91% of their average alloy composition in common.
For each property being compared, the top bar is EN 1.4305 stainless steel and the bottom bar is AISI 204 stainless steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Brinell Hardness | 200 to 270 | |
| 210 to 330 |
| Elastic (Young's, Tensile) Modulus, GPa | 200 | |
| 200 |
| Elongation at Break, % | 14 to 40 | |
| 23 to 39 |
| Fatigue Strength, MPa | 190 to 330 | |
| 320 to 720 |
| Poisson's Ratio | 0.28 | |
| 0.28 |
| Shear Modulus, GPa | 77 | |
| 77 |
| Shear Strength, MPa | 420 to 550 | |
| 500 to 700 |
| Tensile Strength: Ultimate (UTS), MPa | 610 to 900 | |
| 730 to 1100 |
| Tensile Strength: Yield (Proof), MPa | 220 to 570 | |
| 380 to 1080 |
Thermal Properties
| Latent Heat of Fusion, J/g | 290 | |
| 280 |
| Maximum Temperature: Corrosion, °C | 410 | |
| 410 |
| Maximum Temperature: Mechanical, °C | 930 | |
| 850 |
| Melting Completion (Liquidus), °C | 1420 | |
| 1410 |
| Melting Onset (Solidus), °C | 1380 | |
| 1370 |
| Specific Heat Capacity, J/kg-K | 480 | |
| 480 |
| Thermal Conductivity, W/m-K | 15 | |
| 15 |
| Thermal Expansion, µm/m-K | 16 | |
| 17 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 2.4 | |
| 2.4 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 2.7 | |
| 2.9 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 15 | |
| 10 |
| Density, g/cm3 | 7.8 | |
| 7.7 |
| Embodied Carbon, kg CO2/kg material | 3.0 | |
| 2.4 |
| Embodied Energy, MJ/kg | 42 | |
| 35 |
| Embodied Water, L/kg | 140 | |
| 130 |
Common Calculations
| PREN (Pitting Resistance) | 19 | |
| 20 |
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 110 to 190 | |
| 240 to 250 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 120 to 830 | |
| 360 to 2940 |
| Stiffness to Weight: Axial, points | 14 | |
| 14 |
| Stiffness to Weight: Bending, points | 25 | |
| 25 |
| Strength to Weight: Axial, points | 22 to 32 | |
| 27 to 40 |
| Strength to Weight: Bending, points | 20 to 27 | |
| 24 to 31 |
| Thermal Diffusivity, mm2/s | 4.0 | |
| 4.1 |
| Thermal Shock Resistance, points | 14 to 20 | |
| 16 to 24 |
Alloy Composition
| Carbon (C), % | 0 to 0.1 | |
| 0 to 0.030 |
| Chromium (Cr), % | 17 to 19 | |
| 15 to 17 |
| Copper (Cu), % | 0 to 1.0 | |
| 0 |
| Iron (Fe), % | 66.4 to 74.9 | |
| 69.6 to 76.4 |
| Manganese (Mn), % | 0 to 2.0 | |
| 7.0 to 9.0 |
| Nickel (Ni), % | 8.0 to 10 | |
| 1.5 to 3.0 |
| Nitrogen (N), % | 0 to 0.1 | |
| 0.15 to 0.3 |
| Phosphorus (P), % | 0 to 0.045 | |
| 0 to 0.040 |
| Silicon (Si), % | 0 to 1.0 | |
| 0 to 1.0 |
| Sulfur (S), % | 0.15 to 0.35 | |
| 0 to 0.030 |