Manufacturer & Exporters of:
Instrumentation Pipe Fittings & Valves

Stainless Steel Duplex Pipe Fittings Manufacturer, Supplier, and Exporter in UAE

Mcneil Alloys offers a comprehensive range of Stainless Steel Duplex 2205, Super Duplex 2507, 17-4PH, and 15-5PH pipe fittings, engineered for demanding environments where strength, corrosion resistance, and reliability are critical. These advanced alloy pipe fittings are manufactured with precise dimensional control and strict quality standards to ensure consistent performance in high-pressure and high-stress piping systems. Each grade is selected based on its unique mechanical and corrosion-resistant properties, allowing reliable operation in challenging service conditions.

Duplex 2205 and Super Duplex 2507 pipe fittings provide excellent resistance to pitting, crevice corrosion, and stress corrosion cracking, along with high yield strength compared to conventional stainless steels. Super Duplex 2507 further enhances performance in highly aggressive and chloride-rich environments. 17-4PH and 15-5PH stainless steel pipe fittings, as precipitation-hardening alloys, offer exceptional strength, hardness, and dimensional stability, making them suitable for applications requiring high load-bearing capacity and fatigue resistance while maintaining good corrosion resistance.

As a trusted manufacturer, supplier, exporter, distributor, and wholesaler of alloy pipe fittings, Mcneil Alloys supplies these materials in a wide range of configurations, including butt welding pipe fittings, to support permanent, high-integrity piping connections. With a strong supply network across Dubai, Abu Dhabi, Sharjah, Fujairah, and Ras Al Khaimah, and export coverage to Saudi Arabia, Qatar, Oman, Kuwait, and Bahrain, we ensure consistent availability, dependable logistics, and application-focused support for domestic and international requirements.

Advanced Duplex Stainless Steel 2205 Butt Weld Pipe Fittings

Mcneil Alloys is a reliable manufacturer, supplier, exporter, distributor, and wholesaler of Stainless Steel Duplex 2205 pipe fittings, offering high-performance solutions for demanding piping systems. Duplex 2205 is a nitrogen-enhanced stainless steel alloy with a dual austenitic-ferritic microstructure, providing an excellent combination of high mechanical strength and superior corrosion resistance. These pipe fittings are designed to perform reliably in high-pressure and corrosive environments where conventional stainless steels may fall short.

Our range of Duplex 2205 pipe fittings, including butt welding fittings, is manufactured with strict dimensional accuracy to ensure strong, leak-free, and long-lasting joints. Compared to standard austenitic grades, Duplex 2205 fittings deliver higher yield strength, improved resistance to pitting and stress corrosion cracking, and enhanced durability under fluctuating operating conditions. As an experienced steel pipe fittings distributor and wholesaler, Mcneil Alloys ensures consistent quality, ready availability, and dependable supply across domestic and export markets.

Specifications of Stainless Steel Duplex 2205 Pipe Fittings
Specification Details
Specifications ASTM A815 / ASME SA815
Material Grade Duplex 2205 (UNS S32205 / UNS S31803)
Size Range 1/2″ NB to 24″ NB
Type Seamless / Welded / Fabricated
Form Elbow, Tee, Reducer, Cap, Stub End
Schedule SCH 10 to SCH XXS
Ends Bevelled / Plain / Threaded
Standards ASME B16.9, ASME B16.11, MSS SP-43

Advantages of Stainless Steel Duplex 2205 Pipe Fittings

  • High strength, allowing thinner walls and reduced overall system weight
  • Superior performance in chloride-rich and aggressive environments
  • Good weldability, suitable for Duplex 2205 butt welding pipe fittings
  • Enhanced fatigue and impact resistance
  • Long service life with reduced maintenance requirements
  • Cost-effective alternative to higher nickel alloys in demanding applications

Need corrosion-resistant piping? Duplex 2205 Pipe fittings engineered for harsh environments.  

High-Performance Super Duplex 2507 Pipe Fittings for Critical Piping Systems

Stainless Steel Super Duplex 2507 pipe fittings are engineered for piping systems that demand exceptional strength, corrosion resistance, and reliability under extreme operating conditions. Super Duplex 2507 is a high-alloy stainless steel with a balanced austenitic-ferritic microstructure, offering superior resistance to chloride stress corrosion cracking, pitting, and crevice corrosion. These pipe fittings are designed to perform consistently in environments where standard stainless steel grades may fail due to aggressive media or high mechanical loads.

Manufactured with strict dimensional control, Super Duplex 2507 pipe fittings provide excellent pressure-handling capability and long service life in demanding installations. Their high yield strength allows for reduced wall thickness without compromising structural integrity, contributing to weight and cost efficiency in large piping networks. These fittings are suitable for permanent piping assemblies where durability, safety, and resistance to harsh service conditions are critical.

Specifications of Stainless Steel Super Duplex 2507 Pipe Fittings
Specification Details
Specifications ASTM A815 / ASME SA815
Material Grade Super Duplex 2507 (UNS S32750)
Size Range 1/2″ NB to 24″ NB
Type Seamless / Welded / Fabricated
Form Elbow, Tee, Reducer, Cap, Stub End
Schedule SCH 10 to SCH XXS
Ends Bevelled / Plain / Threaded
Standards ASME B16.9, ASME B16.11, MSS SP-43

Advantages of Stainless Steel Super Duplex 2507 Pipe Fittings

  • Outstanding resistance to pitting, crevice corrosion, and chloride attack
  • Excellent protection against stress corrosion cracking
  • High mechanical strength, nearly twice that of austenitic stainless steels
  • Superior performance in high-pressure and high-temperature environments
  • Long service life with reduced maintenance requirements
  • Good weldability with proper procedures and controlled fabrication
  • Ideal for aggressive and high-salinity operating conditions

Handling extreme pressure? Super Duplex 2507 Pipe fittings built for offshore systems.

High-Strength Stainless Steel 17-4PH Pipe Fittings for Critical Applications

Mcneil Alloys offers precision-engineered Stainless Steel 17-4PH pipe fittings designed for piping systems that demand exceptional strength, dimensional stability, and corrosion resistance. 17-4PH is a precipitation-hardening stainless steel alloy that combines the corrosion resistance of stainless steel with significantly higher mechanical strength. This unique balance makes it suitable for applications where both structural integrity and environmental resistance are essential.

Manufactured with strict quality control, 17-4PH pipe fittings provide reliable performance under high pressure and mechanical loads while maintaining stability across a wide temperature range. These fittings are available in various configurations and are suitable for permanent piping installations where strength, fatigue resistance, and long service life are required. As a dependable manufacturer, supplier, exporter, distributor, and wholesaler, Mcneil Alloys ensures consistent material quality, precise fabrication, and timely supply for both domestic and international requirements.

Specifications of Stainless Steel 17-4PH Pipe Fittings
Specification Details
Specifications ASTM A182 / ASME SA182
Material Grade 17-4PH (UNS S17400)
Size Range 1/2″ NB to 24″ NB
Type Seamless / Welded / Forged
Form Elbow, Tee, Reducer, Cap, Stub End
Condition Solution Treated, Aged (H900–H1150)
Ends Bevelled / Plain / Threaded
Standards ASME B16.9, ASME B16.11

Advantages of Stainless Steel 17-4PH Pipe Fittings

  • Exceptionally high tensile and yield strength compared to conventional stainless steels
  • Good corrosion resistance in industrial and marine environments
  • Excellent fatigue and stress-corrosion cracking resistance
  • Maintains dimensional stability under pressure and thermal variation
  • Suitable for heat-treated conditions to achieve tailored mechanical properties
  • Long service life with reduced risk of deformation or failure
  • Reliable performance for demanding, load-bearing piping systems

Need high-strength fittings? 17-4PH stainless steel Pipe fittings for critical applications. 

High-Strength Stainless Steel 15-5PH Pipe Fittings for Precision Applications

Mcneil Alloys is a reliable manufacturer, supplier, exporter, distributor, and wholesaler of Stainless Steel 15-5PH pipe fittings, offering advanced precipitation-hardening solutions for demanding piping systems. SS 15-5PH is a martensitic stainless steel developed to provide high strength, excellent toughness, and improved transverse mechanical properties compared to conventional PH grades. Its refined chemistry ensures consistent performance where dimensional stability and mechanical reliability are critical.

Stainless Steel 15-5PH pipe fittings are manufactured with precise heat treatment control to achieve uniform strength and hardness throughout the component. These fittings are well suited for butt welding applications, providing strong, secure joints with excellent resistance to mechanical stress and fatigue. As an experienced pipe fittings distributor and steel pipe fittings supplier, Mcneil Alloys ensures strict quality control, accurate dimensions, and dependable availability for both standard and engineered piping requirements.

With a strong supply presence across Dubai, Abu Dhabi, Sharjah, Fujairah, and Ras Al Khaimah, and export support to Saudi Arabia, Qatar, Oman, Kuwait, and Bahrain, Mcneil Alloys delivers Stainless Steel 15-5PH pipe fittings with consistent quality and timely logistics. Our focus on material integrity, technical suitability, and customer-specific requirements makes us a dependable partner for high-performance piping solutions.

Specifications of Stainless Steel 15-5PH Pipe Fittings
Specification Details
Specifications ASTM A564 / ASME SA564
Material Grade 15-5PH (UNS S15500)
Size Range 1/2″ NB to 24″ NB
Type Seamless / Welded / Forged
Form Elbow, Tee, Reducer, Cap, Stub End
Condition H900 to H1150
Ends Bevelled / Plain / Threaded
Standards ASME B16.9, ASME B16.11, MSS SP-43

Advantages of Stainless Steel 15-5PH Pipe Fittings

  • High mechanical strength achieved through precipitation hardening
  • Excellent toughness with improved transverse properties
  • Good corrosion resistance compared to standard martensitic steels
  • Dimensional stability during heat treatment and service
  • Suitable for butt welding pipe fitting installations
  • Strong resistance to fatigue and mechanical loading

Why Choose Mcneil Alloys for Stainless Steel & Specialty Alloy Pipe Fittings

Mcneil Alloys is a trusted manufacturer, supplier, exporter, distributor, and wholesaler of stainless steel and specialty alloy pipe fittings, offering advanced material solutions for demanding piping systems. Our product range includes Stainless Steel Duplex 2205, Super Duplex 2507, 17-4PH, and 15-5PH pipe fittings, each selected and processed to meet strict performance, strength, and corrosion-resistance requirements. We focus on material authenticity, precise manufacturing, and compliance with international standards to ensure consistent quality across every supply.

With strong technical expertise and a customer-focused supply approach, we provide butt welding pipe fittings manufactured with tight dimensional control for secure, long-lasting joints. Our streamlined logistics network enables reliable deliveries across Dubai, Abu Dhabi, Sharjah, Fujairah, and Ras Al Khaimah, with export support to Saudi Arabia, Qatar, Oman, Kuwait, Bahrain, and global markets. Whether the requirement is for high-strength precipitation-hardening alloys or corrosion-resistant duplex grades, Mcneil Alloys ensures dependable sourcing, competitive pricing, and professional service at every stage.

Looking for high-performance Duplex, Super Duplex, or PH Stainless Steel Pipe Fittings for your project?

Contact Mcneil Alloys today to get expert guidance, competitive pricing, and a fast, customized quote tailored to your technical and delivery requirements.

Looking for superior toughness? 15-5PH Pipe fittings designed for demanding industries. 

Applications of Duplex Stainless Steel Pipe Fittings

Mcneil Alloys supplies durable and high-performance air headers to a wide range of industries across the UAE and Gulf region. Built for precision, reliability, and longevity, they ensure consistent air distribution for every application.

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Oil & Gas Refineries
Distributes instrument air to control valves, pressure transmitters, and actuators, maintaining precision and safety in high-pressure refinery operations.
⚗️
Petrochemical & Chemical Plants
Ensures steady air supply for automated control and safety systems — reducing downtime and keeping production lines efficient.
Power Generation Units
Supports pneumatic systems and turbine operations, enabling smooth energy generation through reliable air control mechanisms.
🌊
Offshore & Marine Industries
Designed with corrosion-resistant materials to perform effectively in harsh marine conditions and offshore platforms.
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Water Treatment & Desalination
Provides controlled air supply to automated valves and filtration systems used in water purification and desalination plants.
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Process Control & Automation
Ideal for complex industrial setups requiring multiple air outlets from a single source, improving efficiency and plant safety.

We Export To Countries Worldwide

Mcneil Alloys proudly exports high-quality pipes, tubes, and fittings from the UAE to global destinations across Africa, the Middle East, Asia, and beyond.

Kazakhstan
Algiers
Johannesburg
Ghana
Uganda
Iraq
Subra al-Haymah
Australia
Yaounda
South Africa
Saudi Arabia
Ethiopia
Kuwait
Luanda
Abu Dhabi
Peru
Sudan
Colombia
Nairobi
Turkey
Russia
Khartoum
Kano
UAE
Bahrain
Cape Town
Trinidad and Tobago
Dar es Salaam
Nigeria
Antananarivo
Tripoli
Addis Ababa
London
Douala
Lebanon
Tunisia
Ouagadougou
Mogadishu
Harare
Mbuji-Mayi
Qatar
Zaria
Soweto
Omdurman
Angola
Alexandria
Dubai
Yemen
Casablanca
Africa
Oman
Giza
UK
Houston
Accra
Algeria
Argentina
Cairo
China
Kolwezi
Hong Kong
Abidjan
Vietnam
Port Elizabeth
Maputo
Canada
Port Harcourt
Singapore
Egypt
Venezuela
Freetown
Ibadan
Iran
Malaysia
Mexico
Cameroon
New York
Indonesia

Frequently Asked Questions – Duplex, Super Duplex Stainless Steel Pipe Fittings

What are Duplex, Super Duplex, and PH Stainless Steel Pipe Fittings? +
These are high-performance stainless steel pipe fittings designed for demanding applications. Duplex 2205 and Super Duplex 2507 offer exceptional strength and corrosion resistance, while 17-4PH and 15-5PH are precipitation-hardened grades known for high mechanical strength and dimensional stability.
What is the difference between Duplex 2205 and Super Duplex 2507 pipe fittings? +
Duplex 2205 pipe fittings provide a balanced combination of strength and corrosion resistance, while Super Duplex 2507 pipe fittings offer higher PREN values, superior pitting resistance, and better performance in highly aggressive and chloride-rich environments.
Why choose 17-4PH and 15-5PH stainless steel pipe fittings? +
17-4PH pipe fittings deliver high strength and hardness through heat treatment, while 15-5PH pipe fittings provide improved toughness and uniform mechanical properties. Both grades are ideal for precision components and high-load piping systems.
Are these pipe fittings suitable for butt welding applications? +
Yes. Duplex, Super Duplex, and PH stainless steel pipe fittings are widely supplied as butt welding fittings, ensuring strong, leak-free, and permanent joints with excellent pressure-handling capability.
Do you manufacture and supply these pipe fittings to international standards? +
Yes. As a manufacturer, supplier, exporter, distributor, and wholesaler of stainless steel pipe fittings, we supply products in compliance with ASTM, ASME, and EN standards, along with material test certificates and inspection documentation.
Which regions do you supply Duplex and PH stainless steel pipe fittings? +
We supply pipe fittings across Dubai, Abu Dhabi, Sharjah, Fujairah, and Ras Al Khaimah, with export coverage to Saudi Arabia, Qatar, Oman, Kuwait, Bahrain, and other global markets.
Can you provide custom sizes or project-specific pipe fittings? +
Yes. We offer custom-manufactured Duplex, Super Duplex, 17-4PH, and 15-5PH pipe fittings based on drawings, sizes, schedules, and project specifications.
How can I request a quote for these pipe fittings? +
To request a quote, share your required grade, size, type, quantity, and delivery location with our sales team. We will respond with pricing, availability, and delivery timelines.
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