Super Duplex Steel Ansi Flanges
Home»»Super Duplex Steel Ansi Flanges
Flange Materials
Super Duplex Steel Ansi Flanges
Maximum strength and corrosion resistance for extreme service
Super Duplex Flanges offer even higher strength and corrosion resistance than standard duplex steel, achieved through increased chromium, molybdenum and nitrogen content. This makes them suitable for the most aggressive offshore, subsea and chemical processing environments.
Royal Steel India manufactures Super Duplex Flanges in UNS S32750 and S32760 grades, widely specified for critical offshore oil & gas and desalination projects.
Key Features
- Very high mechanical strength
- Outstanding resistance to pitting and crevice corrosion
- Excellent performance in high-chloride, high-temperature seawater
- High resistance to stress corrosion cracking
- Suitable for subsea and topside offshore piping
- Long, low-maintenance service life
Standards Followed
- ASME B16.5
- ASME B16.47
- ANSI
- DIN
- EN 1092-1
- BS
- JIS
Applications
Industries and sectors that rely on our Super Duplex Steel Ansi Flanges.
- Oil & Gas Industry
- Petrochemical Plants
- Chemical Processing
- Power Plants
- Marine & Offshore
- Water Treatment Plants
- Food & Beverage Industry
- Pharmaceutical Industry
- Paper & Pulp Industry
- Construction Projects
Why Choose Royal Steel India?
Royal Steel India manufactures and supplies Super Duplex Steel Ansi Flanges that are precision-engineered, rigorously tested, and backed by mill test certificates for full traceability. Every batch is manufactured to meet international quality standards and the specific requirements of your project.
Whether you need standard sizes or custom specifications, we offer competitive pricing, reliable stock availability, and timely delivery for domestic and export orders.
Frequently Asked Questions
What is Super Duplex Steel used for in flanges?
It is used in the most demanding offshore, subsea and chemical processing applications where extreme corrosion resistance and high strength are required.
How is Super Duplex different from standard Duplex steel?
Super Duplex has higher chromium, molybdenum and nitrogen content, giving it greater resistance to pitting and crevice corrosion in aggressive chloride environments.
Which super duplex grades are available?
We supply UNS S32750 and S32760 grade super duplex flanges.
Need a Quote on Super Duplex Steel Ansi Flanges?
Share your size, grade and quantity requirement and our team will get back to you with pricing and availability.