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2205 Duplex Stainless Steel Pipe
Product Overview
2205 Duplex Stainless Steel is a two-phase alloy, combining both austenitic and ferritic structures, offering an excellent combination of strength, corrosion resistance, and ease of fabrication. It is ideal for highly corrosive environments, particularly in the marine, oil & gas, and chemical industries. This material is designed to offer superior resistance to pitting, crevice corrosion, and stress corrosion cracking, especially in environments where chloride resistance is critical.
Core Features
- 💪High Strength: Provides excellent mechanical strength, ideal for structural applications where high strength is required.
- ⚙️Corrosion Resistance: Offers superior resistance to pitting, crevice corrosion, and chloride stress corrosion cracking, making it ideal for harsh environments.
- 🔥Heat Resistance: Performs well in moderately high-temperature environments, maintaining its strength and corrosion resistance.
- 🛠️Workability: Good workability, including welding and machining, which makes it suitable for custom fabrication and industrial applications.
Chemical Composition
| Element | Content (%) |
|---|---|
| Chromium (Cr) | 22.0-23.0 |
| Nickel (Ni) | 4.5-6.5 |
| Molybdenum (Mo) | 3.0-3.5 |
| Manganese (Mn) | 2.0 max |
| Silicon (Si) | 1.0 max |
| Carbon (C) | 0.03 max |
| Phosphorus (P) | 0.03 max |
| Sulfur (S) | 0.02 max |
Applications
2205 duplex stainless steel pipes are widely used in highly corrosive environments where both high strength and excellent corrosion resistance are required:
- ⚓Marine: Ideal for use in marine environments, such as seawater desalination, offshore platforms, and coastal infrastructure.
- 🛢️Oil & Gas: Used in oil rigs, pipelines, and chemical injection systems, where resistance to chloride-induced stress corrosion cracking is critical.
- 🧪Chemical Processing: Suitable for reactors, heat exchangers, and other equipment used in chemical plants where corrosion resistance is a priority.
- 💧Water Treatment: Used in water treatment plants, especially in desalination and filtration systems, due to its resistance to corrosion in water environments.

Advantages
- 🏅Superior Corrosion Resistance: Offers unmatched protection against pitting and crevice corrosion, especially in chloride-rich environments.
- 💪High Strength-to-Weight Ratio: High strength, which allows for lighter construction without compromising on performance.
- 🛡️Resistant to Stress Corrosion Cracking: Ideal for use in environments exposed to high stress and corrosion.
- 🌍Versatile: Suitable for a wide range of industries including marine, oil and gas, and chemical processing, offering excellent durability in all conditions.
Industries Served
- Marine Industry
- Oil & Gas
- Chemical Processing
- Water Treatment
