Duplex Steel Pipe Supplier
Premium Duplex & Super Duplex Steel Pipes for Corrosive and High-Pressure Applications
Global Steel Industries is a leading Duplex Steel Pipe Supplier in India, providing premium-quality Duplex and Super Duplex stainless steel pipes for demanding industrial environments. Duplex steel combines the advantages of austenitic and ferritic stainless steels, delivering exceptional corrosion resistance, high mechanical strength, and superior durability in aggressive operating conditions. Our Duplex steel pipes are widely used in offshore platforms, oil & gas facilities, chemical processing plants, desalination projects, marine applications, power generation plants, and petrochemical industries where resistance to pitting, crevice corrosion, and chloride stress corrosion cracking is critical. With a strong supply network, extensive inventory, and commitment to quality, Global Steel Industries delivers reliable Duplex steel pipe solutions for both domestic and international projects
Our Duplex Steel Pipe Product Range
We supply a comprehensive range of Duplex and Super Duplex steel pipes, including:
- Duplex Stainless Steel Seamless Pipes
- Duplex Stainless Steel Welded Pipes
- Super Duplex Steel Pipes
- Duplex Steel ERW Pipes
- Duplex Steel Instrumentation Tubes
- Duplex Steel Heat Exchanger Tubes
- Duplex Steel Process Pipes
- Duplex Steel Hydraulic Tubes
- Duplex Steel Boiler Tubes
- Custom Length Duplex Steel Pipes
Our products are available in multiple sizes, schedules, and specifications to meet diverse project requirements.
Available Grades
We supply Duplex and Super Duplex steel pipes in internationally recognized grades, including
Duplex Stainless Steel
- UNS S31803 (2205)
- UNS S32205 (2205)
Super Duplex Stainless Steel
- UNS S32750 (2507)
- UNS S32760
Other Duplex Grades
- Lean Duplex Grades
- Custom Duplex Grades on Request
Manufacturing Standards
Our Duplex steel pipes are supplied according to international standards, including:
- ASTM A790
- ASTM A928
- ASTM A789
- ASME SA790
- ASME SA789
- EN 10216
- EN 10217
- NORSOK Standards
- NACE MR0175 / ISO 15156 (where required)
Our Duplex steel pipes are extensively used in:
- Offshore Oil & Gas Platforms
- Subsea Pipelines
- Petrochemical Plants
- Chemical Processing Facilities
- Desalination Plants
- Marine Engineering
- Heat Exchangers
- Pressure Vessels
- Power Generation Plants
- Water Treatment Facilities
- LNG Projects
- Fertilizer Plants
- Industrial Proces
Global Steel Industries supplies Duplex steel pipes to customers across:
- Oil & Gas
- Offshore & Marine
- Petrochemical
- Chemical Processing
- Desalination
- Power Generation
- Water & Wastewater
- EPC Contractors
- Renewable Energy
- Heavy Engineering
Available options include:
- Nominal Size: ½” to 24″
- Outside Diameter: As per ASTM and ASME standards
- Wall Thickness: SCH 10 to SCH XXS
- Length: Random Lengths and Custom Lengths
- End Finish: Plain End, Beveled End, Threaded End
- Surface Finish: Annealed, Pickled, Bright Annealed
Custom dimensions and project-specific requirements can be supplied upon request
Every Duplex steel pipe supplied by Global Steel Industries undergoes rigorous inspection and testing to ensure compliance with international standards. Materials are available with:
- Mill Test Certificates (EN 10204 3.1)
- PMI Testing Reports
- Hydrostatic Test Reports
- Mechanical Test Reports
- Corrosion Test Reports
- Third-Party Inspection Certificates
- Extensive inventory of Duplex and Super Duplex pipes
- International quality standards
- Competitive pricing
- Ready stock availability
- Mill Test Certificates provided
- Fast domestic and export delivery
- Technical support for material selection
- Custom sizes and specifications
- Reliable supply for EPC and industrial projects
- Trusted global steel supply partner
FAQ
A Duplex steel pipe is a stainless steel pipe with a mixed austenitic-ferritic microstructure that provides superior strength and corrosion resistance compared to conventional stainless steel grades
We supply Duplex 2205 (UNS S31803/S32205), Super Duplex 2507 (UNS S32750), UNS S32760, and other Duplex grades.
Duplex steel pipes are widely used in offshore platforms, oil & gas facilities, desalination plants, marine engineering, petrochemical plants, and chemical processing industries
Duplex steel provides higher strength, better chloride resistance, improved pitting resistance, and longer service life than standard stainless steel grades such as 304 and 316
Yes. All Duplex steel pipes can be supplied with EN 10204 3.1 Mill Test Certificates and additional inspection reports upon request
Yes. We offer customized dimensions, wall thicknesses, lengths, and project-specific specifications
Yes. Global Steel Industries exports Duplex and Super Duplex steel pipes worldwide with complete export documentation and reliable logistics support
