AISI 303 Stainless Steel vs. EN 1.4305 Stainless Steel
Both AISI 303 stainless steel and EN 1.4305 stainless steel are iron alloys. Their average alloy composition is basically identical. There are 33 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.
For each property being compared, the top bar is AISI 303 stainless steel and the bottom bar is EN 1.4305 stainless steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Brinell Hardness | 170 to 210 | |
| 200 to 270 |
| Elastic (Young's, Tensile) Modulus, GPa | 200 | |
| 200 |
| Elongation at Break, % | 40 to 51 | |
| 14 to 40 |
| Fatigue Strength, MPa | 230 to 360 | |
| 190 to 330 |
| Poisson's Ratio | 0.28 | |
| 0.28 |
| Shear Modulus, GPa | 77 | |
| 77 |
| Shear Strength, MPa | 430 to 470 | |
| 420 to 550 |
| Tensile Strength: Ultimate (UTS), MPa | 600 to 690 | |
| 610 to 900 |
| Tensile Strength: Yield (Proof), MPa | 230 to 420 | |
| 220 to 570 |
Thermal Properties
| Latent Heat of Fusion, J/g | 290 | |
| 290 |
| Maximum Temperature: Corrosion, °C | 410 | |
| 410 |
| Maximum Temperature: Mechanical, °C | 930 | |
| 930 |
| Melting Completion (Liquidus), °C | 1450 | |
| 1420 |
| Melting Onset (Solidus), °C | 1400 | |
| 1380 |
| Specific Heat Capacity, J/kg-K | 480 | |
| 480 |
| Thermal Conductivity, W/m-K | 16 | |
| 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 | 2.8 | |
| 2.7 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 15 | |
| 15 |
| Density, g/cm3 | 7.8 | |
| 7.8 |
| Embodied Carbon, kg CO2/kg material | 3.0 | |
| 3.0 |
| Embodied Energy, MJ/kg | 42 | |
| 42 |
| Embodied Water, L/kg | 140 | |
| 140 |
Common Calculations
| PREN (Pitting Resistance) | 18 | |
| 19 |
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 240 | |
| 110 to 190 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 140 to 440 | |
| 120 to 830 |
| Stiffness to Weight: Axial, points | 14 | |
| 14 |
| Stiffness to Weight: Bending, points | 25 | |
| 25 |
| Strength to Weight: Axial, points | 21 to 25 | |
| 22 to 32 |
| Strength to Weight: Bending, points | 20 to 22 | |
| 20 to 27 |
| Thermal Diffusivity, mm2/s | 4.4 | |
| 4.0 |
| Thermal Shock Resistance, points | 13 to 15 | |
| 14 to 20 |
Alloy Composition
| Carbon (C), % | 0 to 0.15 | |
| 0 to 0.1 |
| Chromium (Cr), % | 17 to 19 | |
| 17 to 19 |
| Copper (Cu), % | 0 | |
| 0 to 1.0 |
| Iron (Fe), % | 67.3 to 74.9 | |
| 66.4 to 74.9 |
| Manganese (Mn), % | 0 to 2.0 | |
| 0 to 2.0 |
| Nickel (Ni), % | 8.0 to 10 | |
| 8.0 to 10 |
| Nitrogen (N), % | 0 | |
| 0 to 0.1 |
| Phosphorus (P), % | 0 to 0.2 | |
| 0 to 0.045 |
| Silicon (Si), % | 0 to 1.0 | |
| 0 to 1.0 |
| Sulfur (S), % | 0.15 to 0.35 | |
| 0.15 to 0.35 |