EN 1.4303 Stainless Steel vs. AISI 316 Stainless Steel
Both EN 1.4303 stainless steel and AISI 316 stainless steel are iron alloys. They have a very high 97% of their average alloy composition in common. There are 33 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 1.4303 stainless steel and the bottom bar is AISI 316 stainless steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Brinell Hardness | 190 to 270 | |
| 160 to 360 |
| Elastic (Young's, Tensile) Modulus, GPa | 200 | |
| 200 |
| Elongation at Break, % | 13 to 49 | |
| 8.0 to 55 |
| Fatigue Strength, MPa | 220 to 320 | |
| 210 to 430 |
| Poisson's Ratio | 0.28 | |
| 0.28 |
| Shear Modulus, GPa | 77 | |
| 78 |
| Shear Strength, MPa | 420 to 540 | |
| 350 to 690 |
| Tensile Strength: Ultimate (UTS), MPa | 590 to 900 | |
| 520 to 1180 |
| Tensile Strength: Yield (Proof), MPa | 230 to 560 | |
| 230 to 850 |
Thermal Properties
| Latent Heat of Fusion, J/g | 290 | |
| 290 |
| Maximum Temperature: Corrosion, °C | 410 | |
| 410 |
| Maximum Temperature: Mechanical, °C | 940 | |
| 590 |
| Melting Completion (Liquidus), °C | 1420 | |
| 1400 |
| Melting Onset (Solidus), °C | 1380 | |
| 1380 |
| Specific Heat Capacity, J/kg-K | 480 | |
| 470 |
| Thermal Conductivity, W/m-K | 15 | |
| 15 |
| Thermal Expansion, µm/m-K | 16 | |
| 16 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 2.4 | |
| 2.3 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 2.7 | |
| 2.6 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 17 | |
| 19 |
| Density, g/cm3 | 7.8 | |
| 7.9 |
| Embodied Carbon, kg CO2/kg material | 3.2 | |
| 3.9 |
| Embodied Energy, MJ/kg | 46 | |
| 53 |
| Embodied Water, L/kg | 150 | |
| 150 |
Common Calculations
| PREN (Pitting Resistance) | 19 | |
| 26 |
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 110 to 230 | |
| 85 to 260 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 140 to 800 | |
| 130 to 1820 |
| Stiffness to Weight: Axial, points | 14 | |
| 14 |
| Stiffness to Weight: Bending, points | 25 | |
| 25 |
| Strength to Weight: Axial, points | 21 to 32 | |
| 18 to 41 |
| Strength to Weight: Bending, points | 20 to 26 | |
| 18 to 31 |
| Thermal Diffusivity, mm2/s | 4.0 | |
| 4.1 |
| Thermal Shock Resistance, points | 13 to 20 | |
| 11 to 26 |
Alloy Composition
| Carbon (C), % | 0 to 0.060 | |
| 0 to 0.080 |
| Chromium (Cr), % | 17 to 19 | |
| 16 to 18 |
| Iron (Fe), % | 64.8 to 72 | |
| 62 to 72 |
| Manganese (Mn), % | 0 to 2.0 | |
| 0 to 2.0 |
| Molybdenum (Mo), % | 0 | |
| 2.0 to 3.0 |
| Nickel (Ni), % | 11 to 13 | |
| 10 to 14 |
| Nitrogen (N), % | 0 to 0.1 | |
| 0 to 0.1 |
| Phosphorus (P), % | 0 to 0.045 | |
| 0 to 0.045 |
| Silicon (Si), % | 0 to 1.0 | |
| 0 to 0.75 |
| Sulfur (S), % | 0 to 0.015 | |
| 0 to 0.030 |