"Mehta Metal Industries", founded in 1978 by Babulal Mehta, is one of India's oldest and most trusted suppliers of high-quality stainless steel products.

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Super Duplex Steel Pipes & Tubes Manufacturers in India

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Super Duplex Steel Pipes & Tubes Manufacturers in India - Mehta Metal Industries

Mehta Metal Industries is one of the leading Super Duplex Steel Pipes & Tubes Manufacturers in India, supplying high-performance super duplex piping solutions for industries that operate in highly corrosive and demanding environments. Our super duplex steel pipes and tubes are manufactured using advanced production processes and premium raw materials to deliver superior strength, excellent corrosion resistance, and long operational life in critical piping systems.

Super duplex stainless steel offers enhanced mechanical strength and exceptional resistance to pitting, crevice corrosion, and chloride stress corrosion cracking. Because of these properties, super duplex pipes and tubes are widely used in industries such as offshore oil platforms, chemical processing plants, desalination systems, marine engineering, and petrochemical facilities.

At Mehta Metal Industries, we manufacture and supply seamless super duplex pipes, welded pipes, and precision tubes in international grades including ASTM A789, ASME SA789, 2507, F44, F45, F51, F53, F55, F60, and F61. Our strong production capability and inventory allow us to supply super duplex steel pipes and tubes in bulk quantities to EPC contractors, project engineers, and industrial distributors worldwide.

Super duplex steel pipes and tubes manufacturers in India for extreme corrosion resistance

Super Duplex Steel Pipes & Tubes Overview

Super duplex steel pipes and tubes are engineered to perform in industries where extreme corrosion resistance and high mechanical strength are essential. Compared to conventional stainless steel piping materials, super duplex pipes and tubes provide significantly higher yield strength and better resistance to chloride-rich environments.

At Mehta Metal Industries, our super duplex stainless steel pipes and tubes are designed for use in aggressive service conditions such as seawater systems, chemical processing units, and offshore installations. These pipes and tubes maintain structural stability while operating under high pressure, temperature variations, and corrosive fluids.

Our product range includes seamless super duplex pipes, welded pipes, and industrial super duplex tubes used in heat exchangers, process piping, pressure vessels, and marine structures. Each pipe and tube undergoes strict inspection procedures to ensure dimensional accuracy, material consistency, and compliance with international quality standards.

Super Duplex Steel Pipes & Tubes Specifications

Specification Details
Material Super Duplex Stainless Steel Pipes & Tubes
Manufacturing Type Seamless Pipes / Welded Pipes
Standards ASTM A789, ASME SA789
Super Duplex Grades 2507, F44, F45, F51, F53, F55, F60, F61
Outer Diameter 6 mm – 610 mm
Wall Thickness 1 mm – 30 mm
Length Up to 6 meters or custom pipe length
Surface Finish Pickled, Annealed, Polished
End Type Plain End Pipe, Beveled Pipe End

All super duplex steel pipes and tubes are manufactured in accordance with international ASTM standards and are tested to ensure durability, corrosion resistance, and structural reliability.

Sizes and Dimensions

Our super duplex steel pipes & tubes are available in a wide range of industrial sizes suitable for piping systems, offshore structures, and high-pressure process applications.

Parameter Range
Pipe Diameter 1/8" NB to 24" NB
Tube Diameter 6 mm to 203 mm
Wall Thickness SCH 5 to SCH 160
Length 3 m, 6 m, 12 m or custom
Pipe Type Round Super Duplex Pipes & Tubes

Custom manufacturing is available to meet specialized engineering requirements for offshore, marine, and industrial piping systems.

Super Duplex Steel Pipes & Tubes

Explore Our Product Range

Mechanical Properties

Steel Grade Yield Strength (MPa) Tensile Strength (MPa) Hardness Elongation % Min
2507 550 795 HB 310 Max 20
F44 450 655 HB 290 Max 25
F45 450 655 HB 290 Max 25
F51 450 620 HB 293 Max 25
F53 550 795 HB 310 Max 20
F55 550 800 HB 310 Max 20
F60 450 620 HB 293 Max 25
F61 550 795 HB 310 Max 20

These mechanical properties allow super duplex pipes and tubes to perform effectively in high-pressure pipelines and structural piping systems.

Chemical Composition

Steel Grade C % Max Mn % Max Si % Max Cr % Ni % Mo % N % P % Max
2507 0.03 1.20 0.80 24 – 26 6 – 8 3 – 5 0.24 – 0.32 0.030
F44 0.03 2.00 1.00 24 – 26 6 – 8 3 – 4 0.24 – 0.32 0.030
F45 0.03 2.00 1.00 24 – 26 6 – 8 3 – 4 0.24 – 0.32 0.030
F51 0.03 2.00 1.00 21 – 23 4.5 – 6.5 2.5 – 3.5 0.08 – 0.20 0.030
F53 0.03 1.20 0.80 24 – 26 6 – 8 3 – 5 0.24 – 0.32 0.030
F55 0.03 1.20 0.80 24 – 26 6 – 8 3 – 5 0.24 – 0.32 0.030
F60 0.03 2.00 1.00 21 – 23 4.5 – 6.5 2.5 – 3.5 0.08 – 0.20 0.030
F61 0.03 1.20 0.80 24 – 26 6 – 8 3 – 5 0.24 – 0.32 0.030

The balanced chemical composition provides excellent corrosion resistance, mechanical strength, and durability, making these materials suitable for severe industrial environments.

Applications of Super Duplex Steel Pipes & Tubes

Because of their exceptional strength and corrosion resistance, super duplex steel pipes and tubes are widely used in industries where conventional stainless steel materials may fail.

Common applications include:

  • Oil and gas processing pipelines
  • Offshore drilling platforms
  • Petrochemical processing plants
  • Chemical processing pipelines
  • Desalination plants and seawater systems
  • Marine piping systems
  • Heat exchanger tubes
  • Pressure vessels and high-pressure piping systems
  • Structural piping frameworks for offshore structures

The high mechanical strength of super duplex pipes and tubes also allows engineers to design lighter piping systems while maintaining performance and durability.

Super Duplex Steel Pipes Weight Chart

Pipe Size Schedule Weight (kg/m)
1 inch Pipe SCH 40 1.70
2 inch Pipe SCH 40 3.70
4 inch Pipe SCH 40 10.80
6 inch Pipe SCH 40 19.00
8 inch Pipe SCH 40 28.70

These weights are calculated according to ASTM pipe dimension charts used in industrial piping systems.

Quality Assurance

At Mehta Metal Industries, quality is a core part of our business philosophy and operational standards. We are committed to maintaining consistency, reliability, and compliance across all our processes, supported by structured quality management systems focused on continuous improvement, documentation control, and process monitoring to meet global industry expectations.

We are certified with multiple international standards that reflect our commitment to quality, safety, and environmental responsibility:

  • ISO 9001:2015 – Quality Management System
  • ISO 14001:2015 – Environmental Management System
  • ISO 45001:2018 – Occupational Health & Safety Management
  • PED (Pressure Equipment Directive 2014/68/EU) Certification

These certifications demonstrate our adherence to global quality benchmarks, workplace safety standards, and environmental regulations, strengthening our position as a reliable industrial manufacturer and supplier.

Our continuous focus on quality assurance ensures that every aspect of our operations is aligned with international standards, helping us build long-term relationships with clients across industries.

Why Choose Mehta Metal Industries

Industrial buyers rely on Mehta Metal Industries for high-quality super duplex steel pipes and tubes manufactured according to international standards.

  • Advanced Pipe Manufacturing
    Our facilities are equipped with modern machinery capable of producing seamless pipes, welded pipes, and precision super duplex tubes.
  • Custom Pipe & Tube Solutions
    We provide customized pipe diameters, tube sizes, pipe thickness, and tube wall thickness based on project requirements.
  • Bulk Supply Capability
    Our inventory allows us to supply super duplex pipes and tubes in bulk quantities for large industrial projects.
  • Export Supply
    We export super duplex steel pipes and tubes to international markets including Middle East, Africa, Southeast Asia, and Europe.
  • Strict Quality Control
    Each pipe and tube undergoes several quality checks including:
    • Hydrostatic pressure testing
    • Ultrasonic inspection
    • Positive Material Identification (PMI)
    • Dimensional inspection

These tests ensure that every super duplex pipe and tube meets industrial performance standards.

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Industries We Serve

Our super duplex steel pipes and tubes are widely used in industries that require high corrosion resistance and reliable piping performance in harsh operating environments.

At Mehta Metal Industries, we supply piping products to engineering companies, EPC contractors, fabrication units, and industrial distributors involved in major infrastructure and process piping projects.

Industries using our super duplex pipes and tubes include:

  • Oil & Gas Industry
  • Offshore and Marine Engineering
  • Petrochemical Processing Plants
  • Chemical Manufacturing Industries
  • Power Generation Plants
  • Desalination and Water Treatment Facilities
  • Marine and Shipbuilding Industry
  • Industrial Fabrication and Engineering Companies

These industries rely on super duplex stainless steel pipes and tubes for corrosion-resistant piping systems, structural pipe frameworks, and fluid transportation pipelines.

Frequently Asked Questions

  • What are super duplex steel pipes and tubes?
    Super duplex steel pipes and tubes are high-performance stainless steel piping products designed to provide exceptional strength and resistance to corrosion in aggressive industrial environments.
  • What grades of super duplex pipes do you supply?
    We supply 2507, F44, F45, F51, F53, F55, F60, and F61 grades according to ASTM A789 and ASME SA789 standards.
  • Where are super duplex pipes commonly used?
    Super duplex pipes and tubes are commonly used in offshore oil platforms, petrochemical plants, desalination systems, marine engineering, and chemical processing industries.
  • Do you provide custom pipe sizes?
    Yes, Mehta Metal Industries supplies customized super duplex pipes and tubes in various diameters, thicknesses, and lengths.
  • Are your pipes ASTM certified?
    Yes, our super duplex steel pipes and tubes are manufactured according to ASTM A789 and ASME SA789 standards.

Get a Quote

If you are looking for reliable Super Duplex Steel Pipes & Tubes Manufacturers in India, Mehta Metal Industries can supply high-quality super duplex pipes and tubes for industrial projects worldwide.

Contact us today for:

  • Bulk pipe and tube orders
  • Custom pipe sizes and specifications
  • Export inquiries for super duplex steel pipes
  • Technical assistance for industrial piping systems

We ensure consistent quality, competitive pricing, and reliable supply of super duplex steel pipes and tubes for global industries.

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