GB/T20878 AISI2205 Stainless Steel Coil – Product Overview

The GB/T20878 AISI 2205 Stainless Steel Coil is a duplex stainless steel that combines the best qualities of both austenitic and ferritic stainless steels. This grade, known for its excellent resistance to pitting, crevice corrosion, and stress corrosion cracking, offers superior mechanical properties, making it suitable for highly demanding applications. Yuanchi Metal provides high-quality GB/T 20878 AISI 2205 Stainless Steel Coils

which are widely used in industries like chemical processing, oil and gas, marine environments, and construction. This stainless steel offers a balance of strength, ductility, and corrosion resistance, which makes it a reliable choice for critical applications.GB/T20878 AISI 2205 stainless steel coilGB/T20878 AISI 2205 stainless steel coilGB/T20878 AISI 2205 stainless steel coilGB/T20878 AISI 2205 stainless steel coilGB/T20878 AISI 2205 stainless steel coilGB/T20878 AISI 2205 stainless steel coilGB/T20878 AISI 2205 stainless steel coil

Unique Features of GB/T 20878 AISI 2205 Stainless Steel Coil

• Superior Corrosion Resistance: The duplex structure of AISI 2205 offers excellent resistance to pitting, crevice corrosion, and stress corrosion cracking, especially in chloride environments, making it ideal for marine and chemical industries.
• High Strength: AISI 2205 offers significantly higher tensile and yield strength compared to regular austenitic stainless steels like AISI 304, making it suitable for high-strength applications.
• Improved Fatigue Resistance: The duplex structure enhances the material’s fatigue resistance, making it a good choice for components exposed to cyclic stresses.
• Good Weldability: AISI 2205 is known for its good weldability, though care must be taken to prevent post-weld cracking in high-temperature applications. It can be welded using standard methods with appropriate filler materials.
• Resistance to Sulfide Stress Cracking: AISI 2205 resists sulfide stress cracking in sour gas environments, making it ideal for applications in the oil and gas sector.

Technical Specifications of GB/T 20878 AISI 2205 Stainless Steel Coil

Applications of GB/T 20878AISI 2205 Stainless Steel Coil

1. Chemical Processing: Due to its resistance to corrosion in acidic and chloride-rich environments, AISI 2205 is commonly used in the chemical processing industry for heat exchangers, reactors, and other equipment exposed to aggressive chemicals.
2. Oil & Gas Industry: AISI 2205 is often used in the oil and gas industry for components such as valves, flanges, and piping that are exposed to harsh environments, including high pressure and corrosive substances.
3. Marine Environments: The excellent resistance to chloride-induced corrosion makes AISI 2205 a popular choice for marine applications, including shipbuilding, offshore platforms, and coastal infrastructure.
4. Pulp and Paper Industry: AISI 2205 is used for equipment in the pulp and paper industry due to its resistance to corrosion from chlorine compounds and its durability in demanding conditions.
5. Water Treatment: The material’s corrosion resistance makes it suitable for water treatment applications, including desalination plants, water filtration systems, and pumps.

Packaging and Shipping

At Yuanchi Metal, we ensure that every GB/T20878 AISI 2205 Stainless Steel Coil is carefully packaged to prevent damage during shipping. Our coils are wrapped in protective plastic or paper, and when required, they are secured on wooden pallets or in steel crates. We offer reliable and flexible shipping options, including air and sea freight, to ensure your products arrive safely and on time. Our experienced logistics team oversees the entire process, from packaging to final delivery, ensuring your order reaches you in perfect condition, whether for domestic or international destinations.

Frequently Asked Questions (FAQ)

1. What makes AISI 2205 stainless steel superior to other stainless steels?
   • AISI 2205 is a duplex stainless steel that offers superior strength, corrosion resistance, and stress corrosion cracking resistance compared to austenitic stainless steels like AISI 304 and 316, especially in chloride-rich environments.
2. What industries benefit most from AISI 2205?
   • AISI 2205 is most commonly used in industries where high strength and resistance to corrosion are essential, such as chemical processing, oil and gas, marine, pulp and paper, and water treatment.
3. Can AISI 2205 stainless steel be welded?
   • Yes, AISI 2205 can be welded using standard methods. However, to avoid post-weld cracking, care should be taken when selecting the appropriate filler material, especially in high-temperature applications.
4. Is AISI 2205 resistant to chloride stress corrosion cracking?
   • Yes, AISI 2205 is highly resistant to chloride stress corrosion cracking, making it an excellent choice for environments where exposure to chlorides is common, such as seawater and chemical processing.
5. What are the mechanical properties of AISI 2205?
   • AISI 2205 has a tensile strength of 620-880 MPa, a yield strength of 450-650 MPa, and a hardness of 250-300 HB, providing it with excellent strength and resistance to fatigue and wear.
6. What are the available surface finishes for AISI 2205 stainless steel?
   • AISI 2205 stainless steel is available in several surface finishes, including 2B (matte finish), BA (bright annealed), No.4 (brushed finish), and No.8 (mirror finish), depending on the specific needs of the application.