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DUPLEX 2205 STAINLESS STEEL UNS S31803, UNS S32205, ASTM A182, ASTM A276, ASTM A479
Duplex 2205 Stainless Steel is a nitrogen-enhanced duplex used in applications requiring high strength and excellent corrosion resistance. It is designed to combine improved resistance to stress corrosion cracking, pitting and crevice corrosion. Duplex 2205 provides nearly double the corrosion resistance typical in other austenitic stainless steels.
Best Stainless supplies Duplex 2205 SS for a variety of industries including oil & gas, petrochemical, marine and pulp & page factories. Best stainless also offers Duplex 2507.
Duplex 2205 Mechanical Properties
| Condition | Ultimate Tensile Strength (PSI) | 0.2% Yield Strength (PSI) | Elongation (% In 2in.) | Reduction Of Area (%) | Hardness Brinell | Hardness Rockwell |
| Annealed | 90,000 | 65,000 | 25 | * | 290 | C30 |
| Grade | C | Mn | Si | P | S | Cr | Mo | Ni | N |
| 2205 (S31803) | 0.03 Max | 2.0 Max | 1.0 Max | 0.03 Max | 0.02 Max | 21.0-23.0 | 2.5-3.5 | 4.5-6.5 | 0.08-0.20 |
| 2205 (S32205) | 0.03 Max | 2.0 Max | 1.0 Max | 0.03 Max | 0.02 Max | 22.0-23.0 | 3.0-3.5 | 4.5-6.5 | 0.14-0.20 |
