AISI 205 Stainless Steel vs. AISI 303 Stainless Steel
Both AISI 205 stainless steel and AISI 303 stainless steel are iron alloys. They have 86% of their average alloy composition in common. There are 29 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.
For each property being compared, the top bar is AISI 205 stainless steel and the bottom bar is AISI 303 stainless steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Brinell Hardness | 210 to 440 | |
| 170 to 210 |
| Elastic (Young's, Tensile) Modulus, GPa | 200 | |
| 200 |
| Elongation at Break, % | 11 to 51 | |
| 40 to 51 |
| Fatigue Strength, MPa | 410 to 640 | |
| 230 to 360 |
| Poisson's Ratio | 0.28 | |
| 0.28 |
| Shear Modulus, GPa | 77 | |
| 77 |
| Shear Strength, MPa | 560 to 850 | |
| 430 to 470 |
| Tensile Strength: Ultimate (UTS), MPa | 800 to 1430 | |
| 600 to 690 |
| Tensile Strength: Yield (Proof), MPa | 450 to 1100 | |
| 230 to 420 |
Thermal Properties
| Latent Heat of Fusion, J/g | 280 | |
| 290 |
| Maximum Temperature: Corrosion, °C | 410 | |
| 410 |
| Maximum Temperature: Mechanical, °C | 880 | |
| 930 |
| Melting Completion (Liquidus), °C | 1380 | |
| 1450 |
| Melting Onset (Solidus), °C | 1340 | |
| 1400 |
| Specific Heat Capacity, J/kg-K | 480 | |
| 480 |
| Thermal Expansion, µm/m-K | 18 | |
| 17 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 11 | |
| 15 |
| Density, g/cm3 | 7.6 | |
| 7.8 |
| Embodied Carbon, kg CO2/kg material | 2.6 | |
| 3.0 |
| Embodied Energy, MJ/kg | 37 | |
| 42 |
| Embodied Water, L/kg | 150 | |
| 140 |
Common Calculations
| PREN (Pitting Resistance) | 23 | |
| 18 |
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 150 to 430 | |
| 240 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 510 to 3060 | |
| 140 to 440 |
| Stiffness to Weight: Axial, points | 14 | |
| 14 |
| Stiffness to Weight: Bending, points | 26 | |
| 25 |
| Strength to Weight: Axial, points | 29 to 52 | |
| 21 to 25 |
| Strength to Weight: Bending, points | 25 to 37 | |
| 20 to 22 |
| Thermal Shock Resistance, points | 16 to 29 | |
| 13 to 15 |
Alloy Composition
| Carbon (C), % | 0.12 to 0.25 | |
| 0 to 0.15 |
| Chromium (Cr), % | 16.5 to 18.5 | |
| 17 to 19 |
| Iron (Fe), % | 62.6 to 68.1 | |
| 67.3 to 74.9 |
| Manganese (Mn), % | 14 to 15.5 | |
| 0 to 2.0 |
| Nickel (Ni), % | 1.0 to 1.7 | |
| 8.0 to 10 |
| Nitrogen (N), % | 0.32 to 0.4 | |
| 0 |
| Phosphorus (P), % | 0 to 0.060 | |
| 0 to 0.2 |
| Silicon (Si), % | 0 to 1.0 | |
| 0 to 1.0 |
| Sulfur (S), % | 0 to 0.030 | |
| 0.15 to 0.35 |