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