Manufacturer & Exporters of:
Instrumentation Pipe Fittings & Valves

Carbon Steel ASTM Pipe Fittings Manufacturer, Supplier, and Exporter in UAE

Mcneil Alloys is a dependable manufacturer, supplier, exporter, distributor, and wholesaler of carbon steel pipe fittings manufactured in accordance with ASTM A105 and ASTM A234 grades including WPB, WP11, WP22, and WP91. These grades are widely specified for pressure piping systems where strength, durability, and temperature resistance are critical. ASTM A105 fittings are commonly used for forged components in ambient and moderate temperature service, while ASTM A234 grades are designed for seamless and welded butt welding pipe fittings used in high-pressure and elevated-temperature pipelines.

The combined range of ASTM A234 WPB, WP11, WP22, and WP91 pipe fittings provides flexibility across carbon steel and low-alloy steel applications, covering requirements from standard pressure service to high-temperature and creep-resistant environments. WPB is suitable for general carbon steel piping, whereas WP11, WP22, and WP91 contain alloying elements such as chromium and molybdenum to enhance strength, oxidation resistance, and long-term stability under thermal stress. As an experienced steel pipe distributor and pipe fitting distributor, Mcneil Alloys supplies these grades with consistent quality, precise dimensions, and reliable availability across Dubai, Abu Dhabi, Sharjah, Fujairah, and Ras Al Khaimah, along with export supply to Saudi Arabia, Qatar, Oman, Kuwait, and Bahrain.

carbon-steel-pipe-fittings

ASTM A105 Forged Carbon Steel Pipe Fittings for High-Pressure Piping Systems

Mcneil Alloys supplies premium-quality Carbon Steel ASTM A105 pipe fittings designed for piping systems that operate under high pressure and mechanical load. ASTM A105 is a forged carbon steel material specification widely used for pressure-containing components in ambient and high-temperature service. These fittings are manufactured with controlled chemical composition and forging processes to ensure uniform strength, toughness, and dimensional accuracy across demanding piping installations.

ASTM A105 carbon steel fittings are commonly produced as forged fittings and butt welding connections, offering excellent joint integrity and long-term reliability. Their solid structure allows them to handle stress, vibration, and pressure fluctuations without compromising performance. As an experienced manufacturer, supplier, distributor, wholesaler, and exporter of carbon steel pipe fittings, Mcneil Alloys ensures consistent material quality, traceability, and compliance with international standards for both domestic supply and export requirements.

Technical Specifications
Parameter Specification
Composition Carbon Steel with C ≤ 0.35%, Mn ≤ 1.05%, Si ≤ 0.35%
Temperature Range Up to 500 °C
Tensile Strength ≥ 485 MPa
Yield Strength ≥ 250 MPa
Hardness 143–187 HB
Standards ASTM A105, ASME SA105

Highlights of Carbon Steel ASTM A105 Pipe Fittings

  • High tensile and yield strength suitable for pressure-rated piping systems
  • Excellent toughness and impact resistance at ambient and elevated temperatures
  • Good weldability, compatible with standard butt welding applications
  • Forged construction ensures dense, defect-free material structure
  • Reliable performance under mechanical stress and pressure variations
  • Cost-effective solution for long-term industrial piping use
  • Conforms to ASTM standards for pressure vessel and piping components

Contact us today for ASTM A105 pipe fittings and get fast, competitive pricing now. 

ASTM A234 WPB Carbon Steel Pipe Fittings for Pressure Piping Systems

Mcneil Alloys manufactures and supplies Carbon Steel ASTM A234 WPB pipe fittings engineered for reliable performance in pressure and temperature-rated piping systems. ASTM A234 WPB is a widely used wrought carbon steel grade designed specifically for butt welding pipe fittings, offering excellent strength, toughness, and structural stability. These fittings are produced under controlled processes to ensure uniform material properties, dimensional accuracy, and compliance with international piping standards.

As an experienced manufacturer, supplier, exporter, distributor, and wholesaler of carbon steel pipe fittings, Mcneil Alloys provides ASTM A234 WPB fittings suitable for permanent welded connections. Butt weld joints made from WPB fittings deliver smooth flow paths, high load-bearing capability, and long service life. Our supply network supports prompt availability across Dubai, Abu Dhabi, Sharjah, Fujairah, and Ras Al Khaimah, with export distribution to Saudi Arabia, Qatar, Oman, Kuwait, and Bahrain, backed by dependable logistics and quality documentation.

Technical Specifications ASTM A234 WPB Pipe Fittings
Parameter Specification
Composition Carbon Steel with C ≤ 0.30%, Mn ≤ 1.06%, Si ≤ 0.40%
Temperature Range Up to 600 °C
Tensile Strength ≥ 415 MPa
Yield Strength ≥ 240 MPa
Hardness 130–180 HB
Standards ASTM A234 WPB, ASME SA234

Advantages of Carbon Steel ASTM A234 WPB Pipe Fittings

  • High tensile strength suitable for pressure piping applications
  • Excellent weldability for carbon steel butt welding fittings
  • Good resistance to mechanical stress and thermal variation
  • Uniform material composition ensuring consistent performance
  • Smooth internal surface for efficient flow characteristics
  • Cost-effective solution for large-scale piping installations
  • Conforms to widely accepted ASTM standards for global use

Get a quick quote for ASTM A234 WPB pipe fittings for your UAE project today.  

Alloy SteelASTM A234 WP11 Pipe Fittings for High-Temperature Piping Systems

Mcneil Alloys is a trusted manufacturer, supplier, exporter, distributor, and wholesaler of Carbon Steel ASTM A234 WP11 pipe fittings, engineered for piping systems operating under elevated temperatures and pressure conditions. ASTM A234 WP11 is a chromium-molybdenum alloy grade designed to offer enhanced strength, thermal stability, and resistance to deformation compared to standard carbon steel grades. These fittings are commonly produced in seamless and welded forms to meet stringent industrial specifications.

Our ASTM A234 WP11 butt welding pipe fittings are manufactured with precise dimensional tolerances to ensure strong, permanent joints and uniform flow characteristics. The chromium and molybdenum content improves resistance to oxidation and creep at higher temperatures, making WP11 fittings suitable for long-term service. As an experienced steel pipe fittings distributor and wholesaler, Mcneil Alloys ensures consistent material quality, reliable documentation, and efficient supply across Dubai, Abu Dhabi, Sharjah, Fujairah, and Ras Al Khaimah, with export support to Saudi Arabia, Qatar, Oman, Kuwait, and Bahrain.

Technical Specifications ASTM A234 WP11
Parameter Specification
Composition Cr 1.25%, Mo 0.5%, C ≤ 0.15%
Temperature Range −29 °C to +590 °C
Tensile Strength ≥ 415 MPa
Yield Strength ≥ 205 MPa
Hardness 140–190 HB
Standards ASTM A234 WP11, ASME SA234

Advantages of Carbon Steel ASTM A234 WP11 Pipe Fittings

  • Enhanced strength and creep resistance at elevated temperatures
  • Improved oxidation and corrosion resistance due to Cr–Mo alloying
  • Excellent weldability for butt welding pipe fitting applications
  • Strong dimensional stability under thermal cycling
  • Suitable for high-pressure and high-temperature piping systems
  • Long service life with reduced maintenance requirements
  • Widely accepted material for critical industrial piping standards

Request pricing for ASTM A234 WP11 pipe fittings—engineered for high-temperature performance.  

ASTM A234 WP22 Carbon Steel Pipe Fittings for High-Temperature Piping Systems

Mcneil Alloys supplies Carbon Steel ASTM A234 WP22 pipe fittings designed for piping systems that operate under elevated temperatures and pressure conditions. WP22 is a chromium-molybdenum alloy steel grade that offers enhanced strength, oxidation resistance, and thermal stability compared to standard carbon steel fittings. These characteristics make ASTM A234 WP22 fittings suitable for critical piping networks where material reliability over long service periods is essential.

Manufactured with precise dimensional control, ASTM A234 WP22 butt welding pipe fittings provide strong, permanent joints with excellent load-bearing capability. The chromium and molybdenum content improves resistance to creep, scaling, and thermal fatigue, ensuring consistent performance in heat-intensive environments. As an experienced manufacturer, supplier, exporter, distributor, and wholesaler of carbon steel pipe fittings, Mcneil Alloys ensures consistent quality, material traceability, and timely delivery across Dubai, Abu Dhabi, Sharjah, Fujairah, and Ras Al Khaimah, with export support to Saudi Arabia, Qatar, Oman, Kuwait, and Bahrain.

Technical Specifications ASTM A234 WP22
Parameter Specification
Composition Cr 2.25%, Mo 1%, C ≤ 0.15%
Temperature Range −29 °C to +620 °C
Tensile Strength ≥ 415 MPa
Yield Strength ≥ 205 MPa
Hardness 150–200 HB
Standards ASTM A234 WP22, ASME SA234

Highlights of Carbon Steel ASTM A234 WP22 Pipe Fittings

  • Enhanced high-temperature strength due to chromium-molybdenum alloy composition
  • Improved resistance to oxidation, scaling, and thermal fatigue
  • Suitable for elevated pressure and long-term heat exposure
  • Excellent weldability for ASTM A234 WP22 butt welding fittings
  • Strong mechanical properties for demanding piping applications
  • Manufactured in compliance with ASTM and ASME standards
  • Long service life with stable performance in high-temperature systems

Contact us now for ASTM A234 WP22 pipe fittings with reliable delivery across UAE.  

High-Performance ASTM A234 WP91 Carbon Steel Pipe Fittings for Critical Systems

Mcneil Alloys supplies high-quality Carbon Steel ASTM A234 WP91 pipe fittings designed for piping systems exposed to extreme pressure and elevated temperature conditions. WP91 is a chromium-molybdenum-vanadium alloy grade developed for high-strength, creep-resistant applications where long-term structural stability is essential. These fittings are manufactured with controlled chemistry and heat treatment to ensure superior mechanical performance and compliance with international standards.

As a reliable manufacturer, supplier, exporter, distributor, and wholesaler, Mcneil Alloys offers a complete range of ASTM A234 WP91 butt welding pipe fittings with precise dimensional tolerances. Butt weld fittings provide permanent, high-integrity joints capable of handling thermal cycling and heavy mechanical loads. With a strong distribution presence across Dubai, Abu Dhabi, Sharjah, Fujairah, and Ras Al Khaimah, and export supply to Saudi Arabia, Qatar, Oman, Kuwait, and Bahrain, we ensure consistent availability and dependable delivery for critical piping projects.

Technical Specifications for ASTM A234 WP91
Parameter Specification
Composition Cr 9%, Mo 1%, C ≤ 0.15%
Temperature Range Up to +675 °C
Tensile Strength ≥ 585 MPa
Yield Strength ≥ 415 MPa
Hardness 190–240 HB
Standards ASTM A234 WP91, ASME SA234

Highlights of Carbon Steel ASTM A234 WP91 Pipe Fittings

  • Exceptional high-temperature strength and creep resistance
  • Excellent performance under high pressure and thermal stress
  • Chromium-molybdenum-vanadium alloy for enhanced durability
  • Suitable for butt welding applications requiring permanent joints
  • Stable microstructure for long-term service life
  • Manufactured in accordance with ASTM and ASME standards
  • Ideal for advanced power and high-temperature piping systems

Why Choose Mcneil Alloys for ASTM A105 & A234 Pipe Fittings

Mcneil Alloys is a dependable manufacturer, supplier, exporter, distributor, and wholesaler of carbon steel and alloy steel pipe fittings covering ASTM A105, A234 WPB, A234 WP11, A234 WP22, and A234 WP91 grades. Our product range is engineered to meet demanding pressure, temperature, and mechanical requirements, making it suitable for critical piping systems. From carbon steel A105 forged fittings to alloy steel A234 WP11, WP22, and WP91 butt welding fittings, we ensure strict compliance with ASTM and ASME standards, supported by complete material traceability and quality documentation.

What sets us apart is our ability to supply multiple ASTM grades under one roof, supporting diverse project needs with consistent quality and technical accuracy. Our butt welding pipe fittings are manufactured with precise tolerances to ensure strong, leak-free joints and long-term reliability. With an established supply network across Dubai, Abu Dhabi, Sharjah, Fujairah, and Ras Al Khaimah, and export coverage to Saudi Arabia, Qatar, Oman, Kuwait, and Bahrain, Mcneil Alloys delivers dependable logistics, competitive pricing, and timely deliveries for both standard and project-based requirements.

Looking for a reliable source for ASTM A105 or A234 WPB, WP11, WP22, and WP91 pipe fittings?

Contact Mcneil Alloys today to discuss your specifications and receive a fast, competitive quote tailored to your UAE or export project. Let our expertise, quality assurance, and strong supply chain add value to your piping requirements.

Get a customized quote for ASTM A234 WP91 pipe fittings—high strength, fast supply.  

Applications of Carbon Steel ASTM 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 – Carbon ASTM Pipe Fittings

What are ASTM A105 and A234 pipe fittings? +
ASTM A105 covers forged carbon steel fittings for pressure systems, while ASTM A234 includes wrought carbon and alloy steel butt welding fittings. Grades such as A234 WPB, WP11, WP22, and WP91 are designed for varying temperature and pressure conditions in industrial piping systems.
What is the difference between A105, A234 WPB, WP11, WP22, and WP91? +
ASTM A105: Forged carbon steel fittings for ambient and moderate-temperature pressure service.
A234 WPB: Standard carbon steel butt welding fittings for general-purpose piping.
A234 WP11: Chromium-moly alloy steel fittings for elevated temperature service.
A234 WP22: Higher chromium content for improved strength at high temperatures.
A234 WP91: Advanced alloy steel grade offering excellent creep resistance for extreme temperature and pressure applications.
Do you manufacture and supply butt welding pipe fittings? +
Yes. As a manufacturer, supplier, exporter, distributor, and wholesaler, we provide a complete range of carbon steel and alloy steel butt welding pipe fittings including elbows, tees, reducers, caps, and custom-fabricated fittings as per ASTM standards.
Are these pipe fittings suitable for high-temperature and high-pressure systems? +
Absolutely. ASTM A234 WP11, WP22, and WP91 pipe fittings are specifically engineered for high-temperature and high-pressure environments, while A105 and WPB are suitable for standard pressure systems requiring strength and durability.
Do you provide certification and test documentation? +
Yes. All ASTM A105 and A234 pipe fittings are supplied with material test certificates (MTC), chemical and mechanical test reports, and third-party inspection documents upon request, ensuring full compliance with international standards.
Which locations do you supply and export to? +
We supply ASTM A105 and A234 pipe fittings across Dubai, Abu Dhabi, Sharjah, Fujairah, and Ras Al Khaimah, with export operations to Saudi Arabia, Qatar, Oman, Kuwait, and Bahrain through a reliable logistics network.
Can custom sizes and project quantities be supplied? +
Yes. We support project-based requirements, bulk orders, and custom dimensions for carbon steel and alloy steel pipe fittings, ensuring compatibility with project drawings and engineering specifications.
How can I request a quote for ASTM A105 or A234 pipe fittings? +
You can request a quote by sharing your required grade, size, fitting type, quantity, and delivery location. Our sales team will provide a competitive quotation with availability and delivery timelines.
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