Haihao Group Supplies ASME B16.5 A105N Flanges for Singapore Industrial Pipeline Project
Recently, Haihao Group completed the production and shipment of a batch of high-quality carbon steel flange products for a valued customer in Singapore. The order included multiple types of ASME B16.5 flanges manufactured from ASTM A105N forged carbon steel, widely used in industrial piping systems, oil & gas projects, water treatment plants, and power generation facilities.
Shipment Details of ASME B16.5 A105N Flanges
The supplied products mainly included:
- Socket Weld Raised Face Flange (SWRF)– 2″ 150# S80/XS
- Weld Neck Raised Face Flange (WNRF)– 3″, 4″, 8″, 14″, and 20″
- Blind Raised Face Flange (BLRF)– 2″, 3″, 4″, and 14″
Product Specifications
| Product Type | Size | Pressure Class | Thickness | Material | Standard |
| SWRF Flange RF | 2″ | 150# | S80/XS | ASTM A105N | ASME B16.5 |
| WNRF Flange RF | 3″ | 150# | S40/STD | ASTM A105N | ASME B16.5 |
| WNRF Flange RF | 4″ | 150# | S40/STD | ASTM A105N | ASME B16.5 |
| WNRF Flange RF | 8″ | 150# | S40/STD | ASTM A105N | ASME B16.5 |
| WNRF Flange RF | 14″ | 150# | STD | ASTM A105N | ASME B16.5 |
| WNRF Flange RF | 20″ | 150# | S20/STD | ASTM A105N | ASME B16.5 |
| Blind RF Flange | 2″ | 150# | — | ASTM A105N | ASME B16.5 |
| Blind RF Flange | 3″ | 150# | — | ASTM A105N | ASME B16.5 |
| Blind RF Flange | 4″ | 150# | — | ASTM A105N | ASME B16.5 |
| Blind RF Flange | 14″ | 150# | — | ASTM A105N | ASME B16.5 |
Why ASTM A105N ASME B16.5 Flanges Are Widely Used
The ASME B16.5 A105N carbon steel flange is one of the most commonly used flange types in industrial piping systems due to its excellent strength, machinability, and cost efficiency.
Key Advantages
1. Excellent Mechanical Strength
ASTM A105N forged carbon steel offers reliable tensile strength and toughness for medium- and high-pressure applications.
2. Reliable Sealing Performance
Raised face flange designs improve gasket sealing efficiency and help prevent leakage in demanding piping systems.
3. Wide Industrial Compatibility
These flanges are compatible with pipelines used in:
- Oil & gas
- Petrochemical plants
- Water treatment
- Marine engineering
- Power stations
- General industrial piping
4. Compliance with International Standards
All products were manufactured according to ASME B16.5 flange dimensions and tolerances, ensuring easy installation and interchangeability.
Haihao Group’s Manufacturing Advantages for Forged Steel Flanges
As an experienced industrial piping products manufacturer and supplier, Haihao Group provides comprehensive flange solutions for global customers.
Our Production Capabilities Include:
- Weld neck flanges (WNRF)
- Blind flanges (BLRF)
- Socket weld flanges (SWRF)
- Slip-on flanges
- Threaded flanges
- Lap joint flanges
Available Materials
Haihao Group can manufacture flanges in:
- ASTM A105 / A105N
- ASTM A350 LF2
- ASTM A182 F304/F316
- Duplex stainless steel
- Super duplex stainless steel
- Alloy steel materials
Supported Standards
- ASME B16.5
- ASME B16.47
- EN 1092-1
- DIN standards
- JIS standards
- GOST standards
Strict Quality Control for International Projects
For this Singapore order, Haihao Group carried out strict inspections throughout production and packing, including:
- Dimensional inspection
- PMI material verification
- Surface quality inspection
- Marking verification
- Pressure class confirmation
- Protective packaging for export shipment
Our quality control process helps ensure every ASME B16.5 forged carbon steel flange meets project requirements and international export standards.
Global Supply Experience in Industrial Flange Projects
Haihao Group has supplied industrial flanges and piping components to customers across:
- Singapore
- Malaysia
- Russia
- Saudi Arabia
- UAE
- Indonesia
- Europe
- South America
With stable production capacity and flexible customization services, we support EPC contractors, distributors, and industrial end users worldwide.
Contact Haihao Group for Flange Solutions
If you are looking for a reliable supplier of:
- ASME B16.5 A105N carbon steel flange
- 150# WNRF flange manufacturer
- forged steel blind flange supplier
- socket weld RF flange exporter
- industrial piping flange solutions
Haihao Group is ready to support your project with professional service, competitive pricing, and fast delivery.
Welcome to contact our sales team for quotations, technical support, and customized flange solutions.
FAQ
What is ASTM A105N material?
ASTM A105N is a normalized forged carbon steel material commonly used for flanges, fittings, and pressure piping components.
What is the difference between WNRF and BLRF flanges?
WNRF flanges are weld neck raised face flanges designed for welded pipe connections, while BLRF flanges are blind raised face flanges used to close pipeline ends.
Which industries use ASME B16.5 flanges?
ASME B16.5 flanges are widely used in oil & gas, petrochemical, power generation, water treatment, and industrial pipeline systems.
Can Haihao Group customize flange dimensions and materials?
Yes. Haihao Group can manufacture customized flange products according to project drawings, materials, standards, and pressure ratings.