Alloy 2205 Duplex Stainless Steel Plate in Stcok
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What is 2205 Duplex Stainless Steel Plate?
2205 Duplex Stainless Steel (UNS S32205/S31803) is one of the most widely used materials in the industrial sector, particularly for applications that require both high strength and exceptional corrosion resistance. This material offers double the yield strength of standard austenitic stainless steels, making it ideal for use in high-pressure environments. With a tensile strength of 620-880 MPa and a yield strength of 450-600 MPa, it significantly outperforms traditional stainless steel grades like 304 and 316.
Key Features of Alloy 2205 Duplex Stainless Steel Plates
Corrosion Resistance: Alloy 2205 excels in environments exposed to chlorides, sulfides, and other corrosive substances. With a Pitting Resistance Equivalent Number (PREN) of 32-36, it provides exceptional resistance to pitting, crevice corrosion, and stress corrosion cracking, especially in marine and chemical processing applications.
High Strength:2205 duplex stainless steel is known for its superior mechanical properties, offering double the strength of conventional 304 and 316 stainless steels. With a yield strength of 450-600 MPa and tensile strength up to 880 MPa, it is suitable for high-stress structural applications and load-bearing components.
Weldability:Despite its strength, 2205 duplex stainless steel retains good weldability. The alloy's balanced microstructure of ferrite and austenite allows for easy welding without compromising strength, making it ideal for manufacturing and welding applications.
Durability:This material maintains high durability in extreme temperatures, with a temperature range of -50°C to 300°C. This makes it suitable for high-temperature applications such as heat exchangers and reactors.
GNEE is proud to offer 2205 duplex stainless steel plates in a variety of sizes and thicknesses, with stock readily available for immediate shipment. We provide certified, high-quality products, including mill test certificates (MTC) and optional third-party certifications (SGS, BV, TUV), ensuring you receive the highest quality materials for your project.
Duplex 2205 Steel Plate Specification
| Specification | SA 240 GR 2205, ASTM A240 Type 2205, ASTM A240 UNS S32205, ASTM A240 UNS S31803 |
|---|---|
| Size |
Cold rolled: 0.5-6.4 mm Hot rolled : 3.0–10.0 mm |
| Thickness | 5 to 100 mm |
| Width | 1500 mm to 3000 mm |
| Length | up to 12,000 mm |
| Finish | 8K, Mirror, Hairline, SATIN, BA, Brush, 1D, 2D, No.4, No.8, No.1, 2B |
| Temperature Limit | 1020-1100°C 1868-2012°F |
| International Specification |
Norsok MDS D45 BS EN10028-7 ASME / ASTM SA / A 240 NACE MR 0175 / ISO 15156 Norsok MDS D55 |
2205 stainless steel plate vs. 304
2205 duplex stainless steel offers significantly higher strength (double the yield strength) and superior resistance to pitting, crevice corrosion, and stress cracking, making it ideal for harsh chemical, marine, and oil/gas environments, while 304 austenitic stainless steel is a versatile, general-purpose grade with excellent weldability, lower cost, and better machinability, perfect for food equipment, architecture, and less demanding tasks where cost and ease of fabrication are priorities.
Applications of 2205 Duplex Stainless Steel Plates:
2205 duplex stainless steel plates are ideal for a wide range of industries, including:
Chemical Processing: Reactors, heat exchangers, and tanks used for handling corrosive chemicals.
Marine Engineering: Components exposed to seawater, such as offshore platforms, shipbuilding, and subsea installations.
Oil & Gas: Subsea pipelines, piping systems, and pressure vessels in offshore and onshore applications.
Construction & Structural Engineering: High-strength structural elements for buildings, bridges, and critical infrastructure.
At GNEE, we understand the importance of reliable material sourcing and offer fully traceable products. In terms of packaging and transportation, all stainless steel plates are treated to be moisture-proof and securely packaged using methods such as wooden crates, pallets, or bubble wrap. Standard containers or specialized transport vehicles are used for shipping to ensure the integrity and safety of the goods during transit. We offer worldwide shipping, and the delivery time from production to delivery is typically 7-15 days, ensuring timely delivery to our customers.
