Alloy 2205 is listed in the DUPLEX STAINLESS STEEL material family. The reference data below should be checked against the governing product specification, product form and delivery condition before selection or certification.
The reference chemistry table for Alloy 2205 lists Carbon (C): 0.030% Max; Manganese (Mn): 2.00% Max; Phosphorus (P): 0.030% Max; Sulfur (S): 0.020% Max. Confirm exact limits and analysis tolerances against the governing standard and product form.
The mechanical-property table for Alloy 2205 lists Tensile Strength: 655 Minimum MPa; Yield Strength: 450 Minimum MPa; Elongation: 25 Minimum %; Hardness: 293 Maximum BHN. These are reference entries; supplied condition, dimensions, test method and governing specification control the requirements, and the figures are not design allowables.
Werkstoff / EN cross-reference for Alloy 2205: 1.4462. This comparison does not guarantee interchangeability; confirm chemistry, product form and condition against the governing specification.
View Technical Information →Standard identification and material designation information for Alloy 2205.
The reference chemistry table lists Carbon (C): 0.030% Max; Manganese (Mn): 2.00% Max; Phosphorus (P): 0.030% Max; Sulfur (S): 0.020% Max. Confirm the governing standard, product analysis tolerances and product form before ordering.
| Element | Symbol | Composition |
|---|---|---|
| Carbon | C | 0.030% Max |
| Manganese | Mn | 2.00% Max |
| Phosphorus | P | 0.030% Max |
| Sulfur | S | 0.020% Max |
| Silicon | Si | 1.00% Max |
| Chromium | Cr | 22.00 – 23.00% |
| Nickel | Ni | 4.50 – 6.50% |
| Molybdenum | Mo | 3.00 – 3.50% |
| Nitrogen | N | 0.14 – 0.20% |
| Iron | Fe | Balance |
The table reports Tensile Strength: 655 Minimum MPa; Yield Strength: 450 Minimum MPa; Elongation: 25 Minimum %; Hardness: 293 Maximum BHN as reference data for Alloy 2205. Actual requirements depend on condition, dimensions, test method and specification; these values are not design allowables.
| Property | Value | Unit |
|---|---|---|
| Tensile Strength | 655 Minimum | MPa |
| Yield Strength | 450 Minimum | MPa |
| Elongation | 25 Minimum | % |
| Hardness | 293 Maximum | BHN |
Alloy 2205 provides a combination of high mechanical strength, excellent corrosion resistance and reliable fabrication characteristics.
Provides approximately twice the yield strength of many conventional austenitic stainless steels.
Offers excellent resistance to general corrosion, pitting and crevice corrosion.
Provides high resistance to stress corrosion cracking in chloride-bearing environments.
Can be welded using appropriate procedures designed for duplex stainless steels.
Alloy 2205 is selected for applications requiring high strength, excellent corrosion resistance and reliable performance in demanding environments.
Offshore platforms, piping systems and equipment exposed to corrosive environments.
Pressure vessels, storage tanks and corrosion-resistant process equipment.
Components exposed to seawater and chloride-containing environments.
Equipment requiring high strength and resistance to corrosion and erosion.
Consider chloride concentration, chemical exposure and operating temperature when selecting Alloy 2205.
Appropriate forming and welding procedures should be used to maintain the desired duplex microstructure and material performance.
The high mechanical strength of Alloy 2205 can allow reduced material thickness in suitable engineering applications.
The commonly listed Werkstoff / EN cross-reference for Alloy 2205 is 1.4462. Treat this as a grade comparison, not a guarantee of interchangeability. Verify chemistry, product form, condition and governing specification against the supplier certificate before substitution.
Its main advantages include high mechanical strength, excellent corrosion resistance and resistance to stress corrosion cracking.
It is commonly used in oil and gas, chemical processing, marine and offshore equipment, pressure vessels and heat exchangers.
Our engineering team can help you select suitable materials based on operating temperature, pressure and service conditions.