Home > Duplex Steel > Duplex Steel 2205 Coils
Duplex Steel 2205 Coil is a stainless steel alloy known for its exceptional strength and corrosion resistance properties. It consists of approximately 22% chromium, 5-6% nickel, and 3% molybdenum, along with other alloying elements. The “duplex” designation refers to its dual-phase microstructure, which consists of roughly equal proportions of austenite and ferrite phases. This unique structure provides a combination of high mechanical strength, excellent resistance to corrosion, and good weldability.
| Grade | Duplex Steel 2205 | UNS S31803/S32205 |
| Standard | ASTM A240 / ASME SA240 |
| Thickness | 0.1mm To 100 mm |
| Width | 1000mm, 1219mm, 1500mm, 1800mm, 2000mm, 2500mm, 3000mm, 3500mm, etc |
| Length | 2000mm, 2440mm, 3000mm, 5800mm, 6000mm, etc |
| Surface | 2B, 2D, BA, NO.1, NO.4, NO.8, 8K, mirror, checkered, embossed, hair line, sand blast, Brush, etching, etc |
| Finish | Hot rolled plate (HR), Cold rolled sheet (CR), 2B, 2D, BA NO(8), SATIN (Met with Plastic Coated) |
| Form | Sheets, Plates, Coils, Foils, Rolls, Plain Sheet, Shim sheet, Perforated Sheet, Chequered Plate, Strip, Flats, Circle (Blank), Ring (Flange), etc. |
| Test Certificate | MTC, Lab TC from Govt. App. Lab. with Third Party Inspection |
Grade | Tensile Str | Yield Strength | Elongation | Hardness | |
Rockwell C (HR C) | Brinell (HB) | ||||
2205 | 621 | 448 | 25 | 31 max | 293 max |
|
Grade |
C |
Mn |
Si |
P |
S |
Cr |
Mo |
Ni |
N |
|
|
|
||||||||||
|
2205 |
Min Max |
– 0.030 |
– 2.00 |
– 1.00 |
– 0.030 |
– 0.020 |
22.0 23.0 |
3.0 3.5 |
4.5 6.5 |
0.14 0.20 |
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We offer These Duplex Steel 2205 Coils as per DIN, ISO, JIS or ANSI Standard.
Excellent corrosion resistance: Duplex Steel 2205 Coils exhibit superior resistance to corrosion, making them suitable for use in harsh environments such as marine and chemical processing industries.
High strength: These coils offer impressive strength properties, allowing them to withstand high pressure and mechanical stress, making them ideal for structural applications.
Good weldability: Duplex Steel 2205 Coils can be easily welded and fabricated, offering flexibility in manufacturing processes and allowing for cost-effective construction.
Enhanced durability: With a combination of high strength and corrosion resistance, these coils provide long-lasting performance, reducing the need for frequent maintenance and replacement.
Cost-effectiveness: Despite their superior properties, Duplex Steel 2205 Coils offer a cost-effective solution compared to other corrosion-resistant alloys, providing excellent value for money over the long term.
Resistance to stress corrosion cracking: Duplex Steel 2205 Coils demonstrate resistance to stress corrosion cracking, making them suitable for use in critical applications where reliability is paramount.
Duplex Steel 2205 Coils applications are as diverse as the industries they serve driven primarily by the aerospace, railway, construction and automotive industries with petrochemical, nuclear, medical, Oil & Gas, Chemical, Pharmaceutical, Food & Beverage, Nuclear, Thermal Power plants, Paper and Pulp, marine and mining, etc.
Structural components: Duplex Steel 2205 Coils are frequently used in structural applications such as beams, columns, and frames due to their high strength and excellent corrosion resistance.
Heat exchangers: These coils are suitable for use in heat exchanger applications, where they can efficiently transfer heat between fluids while withstanding corrosive environments.
Chemical processing equipment: Duplex Steel 2205 Coils are commonly employed in the manufacturing of chemical processing equipment such as reactors, vessels, and piping systems due to their resistance to corrosive chemicals.
Oil and gas industry: These coils find extensive use in the oil and gas industry for applications such as pipelines, offshore platforms, and storage tanks, where they offer resistance to both corrosion and stress corrosion cracking.
Desalination plants: Duplex Steel 2205 Coils are utilized in desalination plants for the production of freshwater from seawater, where they can withstand the corrosive effects of saltwater and brine.
Assess your application requirements: Determine the specific application for which you need the coils, including factors such as temperature, pressure, corrosion resistance, and mechanical properties.
Consider corrosion resistance: Duplex Steel 2205 Coils offer excellent corrosion resistance, but the level of resistance required may vary depending on the application. Evaluate the environmental conditions, such as exposure to corrosive chemicals, saltwater, or high humidity, to ensure the coils can withstand them.
Determine strength and durability needs: Duplex Steel 2205 Coils are known for their high strength and durability. Consider the load-bearing requirements and mechanical stress the coils will be subjected to in your application to ensure they meet the necessary strength and durability standards.
Evaluate weldability and fabrication requirements: Duplex Steel 2205 Coils are generally easy to weld and fabricate, but it’s essential to assess your specific welding and fabrication needs. Consider factors such as welding method, preheat requirements, and post-weld heat treatment to ensure compatibility with your fabrication processes.
Yes, Duplex Steel 2205 Coils can be welded using commonly used welding methods such as gas tungsten arc welding (GTAW), gas metal arc welding (GMAW), shielded metal arc welding (SMAW), and submerged arc welding (SAW).
Duplex Steel 2205 Coils are available in various sizes and dimensions to suit different application requirements. Common coil widths range from 1000mm to 2000mm, with thicknesses ranging from 0.3mm to 12mm. Custom sizes may also be available upon request from suppliers or manufacturers.
Duplex Steel 2205 Coils exhibit a unique combination of mechanical, corrosion, and thermal properties. They offer high strength, good ductility, and excellent resistance to corrosion, including pitting and crevice corrosion. Additionally, they maintain their properties over a wide range of temperatures.
Yes, Duplex Steel 2205 Coils are suitable for use in high-temperature environments, as they retain their mechanical properties and corrosion resistance at elevated temperatures. However, it’s essential to consider the specific temperature and application requirements to ensure optimal performance.
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