Duplex Steel Products

Approx. Rs 440 / KgGet Latest Price

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Duplex S31803 Circle & Ring is a high-performance component made from Duplex stainless steel, engineered for applications where high strength, excellent corrosion resistance, and superior mechanical properties are required. Duplex S31803, also known as 2205 Duplex Stainless Steel, is a versatile alloy with a unique microstructure that combines both austenitic and ferritic phases in approximately equal proportions. This blend results in a material that offers enhanced resistance to stress corrosion cracking (SCC), pitting, and crevice corrosion, especially in chloride-rich environments.

With its composition of 22% chromium, 5% nickel, and 3% molybdenum, Duplex S31803 provides outstanding performance in highly corrosive environments like seawater, chemicals, and other aggressive media. Duplex S31803 Circles & Rings are highly sought after in industries such as oil and gas, marine, chemical processing, and power generation, where strength, fatigue resistance, and durability are crucial for long-lasting performance.

• Exceptional Corrosion Resistance: Duplex S31803 offers excellent resistance to pitting, crevice corrosion, and stress corrosion cracking (SCC) in environments with high chloride content (e.g., seawater, chemical environments).

• High Strength and Durability: The alloy boasts superior tensile strength and yield strength compared to traditional stainless steels, making it suitable for high-stress applications.

• Enhanced Fatigue Resistance: The combined austenitic-ferritic structure offers superior resistance to fatigue and impact, making it ideal for dynamic and cyclic loading conditions.

• Superior Weldability: Duplex S31803 is easy to weld using standard welding techniques, retaining its high strength and corrosion resistance after welding.

• Oxidation Resistance: Duplex S31803 maintains excellent oxidation resistance in high-temperature environments, protecting against scaling and corrosion at elevated temperatures.

• Cost-Effective Alternative: Provides excellent performance at a more affordable cost compared to super duplex alloys, making it a great choice for demanding applications without the premium price tag.

• Oil and Gas Industry: Used for manufacturing critical components such as piping, valves, and pressure vessels in offshore, subsea, and onshore facilities where resistance to aggressive fluids and corrosion is essential.

• Marine and Offshore: Components exposed to seawater and corrosive marine environments, such as seawater cooling systems, marine pipes, and desalination plants.

• Chemical Processing: Equipment exposed to aggressive chemicals, solvents, and acids, including heat exchangers, storage tanks, and pumps.

• Power Generation: Used for high-temperature and high-pressure applications such as heat exchangers, condensers, and reactors in power plants and other industrial facilities.

• Water Treatment: Desalination plants, water filtration, and treatment systems where components must endure harsh, corrosive water conditions.

Duplex S31803 Circles & Rings conform to international standards such as ASTM A276, ASTM A479, ASME SA276, and UNS S31803 to ensure superior quality and reliability. Available in various diameters, thicknesses, and sizes, they can be custom-engineered to meet the specific requirements of each application.

Approx. Rs 1,400 / KgGet Latest Price

Duplex S32760 circle rings—also known as Super Duplex UNS S32760 or Zeron 100 rings are renowned for their exceptional strength, corrosion resistance, and durability, making them ideal for demanding applications in industries such as oil & gas, marine, desalination, and chemical processing.

• Standards: ASTM A240 / ASME SA240

• Dimensions:

  • Circles: Diameters from 3″ up to 38″, supporting weights up to 1500 lbs

  • Rings: Outer diameters from 3″ up to 48″, supporting weights up to 900 lbs

• Thickness: 1 mm to 100 mm

• Forms Available: Forged rings, plate-cut rings, cold/hot rolled circles, CNC machined rings, Fey laminar rings, die-formed rings

Duplex S32760 rings are commonly used in:

• Seawater piping systems

• Desalination plants

• High-pressure reverse osmosis (RO) plants

• Oil and gas industry components

• Chemical processing equipment

Additional Information: