Haihao Group Delivers ASME B16.5 A105N Flanges for Singapore Industrial Pipeline Project
Haihao Group has successfully completed the production and shipment of a batch of ASME B16.5 A105N flange products for a customer in Singapore. The order includes welding neck flanges, blind flanges, and socket weld flanges manufactured from ASTM A105N forged carbon steel, meeting the dimensional and pressure requirements of ASME B16.5.
As a long-term supplier of industrial piping components, Haihao Group continues to provide reliable flange solutions for customers involved in oil & gas, petrochemical, power generation, water treatment, and general industrial projects throughout Southeast Asia.
ASME B16.5 ASTM A105N RF flange manufactured by Haihao Group
Order Details
The shipment includes several flange types designed for different pipeline connection requirements.
Welding Neck Flanges (RF)
- Standard: ASME B16.5
- Material: ASTM A105N
- Sizes:
- 14″ Class 150, STD
- 20″ Class 150, SCH20/STD
- 3″ Class 150, SCH40/STD
- 4″ Class 150, SCH40/STD
Blind Flanges (RF)
- Standard: ASME B16.5
- Material: ASTM A105N
- Sizes:
- 2″ Class 150
- 3″ Class 150
- 4″ Class 150
- 14″ Class 150
Socket Weld Flange (RF)
- Standard: ASME B16.5
- Material: ASTM A105N
- Size:
- 2″ Class 150, SCH80/XS
Every ASME B16.5 A105N flange was manufactured according to the customer’s technical specifications and underwent comprehensive inspection before shipment.
Why ASME B16.5 A105N Flanges Remain an Industry Standard
The ASME B16.5 A105N flange is one of the most widely used forged carbon steel flange products in industrial piping systems. ASTM A105N material offers excellent strength, weldability, and toughness after normalizing heat treatment, making it suitable for pressure piping operating under a wide range of temperatures.
The combination of ASME B16.5 dimensions and ASTM A105N material provides excellent compatibility with valves, pipes, and fittings used in refinery, petrochemical, offshore, and utility projects.
Because of its dependable performance, the ASME B16.5 A105N flange is commonly specified for:
- Oil and gas processing facilities
- Petrochemical plants
- Power stations
- Water treatment systems
- Fire protection pipelines
- Industrial utility piping
Complete Manufacturing with Strict Quality Control
Haihao Group maintains strict quality control throughout every stage of production to ensure each ASME B16.5 A105N flange meets international requirements.
Production procedures include:
- Certified ASTM A105N forged raw materials
- Precision CNC machining
- Accurate facing and drilling
- Dimensional inspection
- Surface finish examination
- Flange marking verification
- Export-standard packaging
For customers requiring additional documentation, Material Test Certificates (EN 10204 3.1), third-party inspections, PMI testing, ultrasonic testing, and other quality reports are available upon request.
Serving Singapore’s Industrial Market
Singapore remains one of Southeast Asia’s most important industrial and energy hubs, with ongoing investments in refinery upgrades, chemical processing, LNG facilities, marine engineering, and infrastructure development.
Reliable flange performance is essential for maintaining pipeline integrity and minimizing maintenance costs. Haihao Group has accumulated extensive export experience supplying carbon steel, stainless steel, alloy steel, duplex stainless steel, and nickel alloy flanges to customers throughout Singapore and worldwide.
Our flexible manufacturing capabilities allow us to supply both standard products and customized flange solutions based on project specifications.
Why Choose Haihao Group?
With more than four decades of manufacturing experience, Haihao Group supplies pipeline products to customers in over 100 countries.
Our advantages include:
- Complete production of ASME, EN, DIN, JIS, API, and GOST standard flanges
- Wide material selection including carbon steel, stainless steel, duplex, alloy steel, and nickel alloys
- Advanced machining and inspection equipment
- Fast production and worldwide delivery
- Technical support from quotation through project completion
Whether your project requires standard forged flanges or customized pipeline components, Haihao Group provides dependable manufacturing backed by strict quality assurance.
Request a Quote for Your Next Flange Project
If you are looking for a reliable manufacturer of ASME B16.5 A105N flange products, Haihao Group can provide competitive pricing, fast production schedules, and complete technical support.
Contact our sales team today to discuss your project requirements and receive a customized quotation.