ASTM A694 F65 WN Flange ASME B16.5 Class 600 Shipment to Singapore | Haihao Group
Haihao Group recently completed a successful shipment of ASTM A694 F65 WN flanges ASME B16.5 Class 600 and socket weld flanges to a valued client in Singapore. This order highlights our capability to supply high-performance flange solutions for demanding pipeline systems, especially in oil & gas and energy projects.
The delivered products include multiple sizes of weld neck (WN) flanges and socket weld (SW) flanges, all manufactured in strict compliance with international standards and client specifications.
Shipment Overview
Product Details:
- Product Type: Weld Neck Flange (WN), Socket Weld Flange (SW)
- Facing: RF (Raised Face)
- Standard: ASME B16.5
- Pressure Rating: Class 600
- Materials:
- ASTM A694 Gr. F65 (high-strength carbon steel)
- ASTM A105N (for socket weld flanges)
Sizes & Specifications:
- 2″ / 3″ / 4″ WN Flange, STD thickness, Class 600
- 8″ WN Flange, 0.375″ thickness, Class 600
- 10″ WN Flange, 0.438″ thickness, Class 600
- 3/4″ Socket Weld Flange, SCH160, Class 600
All flanges were carefully inspected to ensure dimensional accuracy, material integrity, and compliance with ASME standards.
Why Choose ASTM A694 F65 WN Flanges?
The ASTM A694 F65 WN flange ASME B16.5 Class 600 is widely used in high-pressure transmission systems due to its superior mechanical properties.
Key Advantages:
- High Strength: Designed for high-pressure and high-stress environments
- Excellent Weldability: Ideal for pipeline systems requiring secure butt welding
- Corrosion Resistance: Suitable for offshore and harsh service conditions
- Reliable Performance: Long service life with minimal maintenance
These features make ASTM A694 F65 flanges a preferred choice for oil & gas pipelines, especially in long-distance transmission projects.
Socket Weld Flanges for Small Bore High-Pressure Systems
In addition to WN flanges, this shipment also includes ASTM A105N socket weld flanges Class 600, which are ideal for small-diameter, high-pressure piping systems.
Benefits:
- Easy installation
- Strong leak-proof connection
- Suitable for high-pressure applications
Strict Quality Control and Inspection
Haihao Group ensures every ASTM A694 F65 WN flange ASME B16.5 Class 600 meets rigorous quality standards:
- Raw material verification (MTC EN 10204 3.1)
- Dimensional inspection
- PMI (Positive Material Identification)
- Visual and surface checks
- Marking and traceability
This guarantees reliable performance in critical industrial applications.
Reliable Flange Supplier for Singapore Projects
Singapore is a key hub for petrochemical and offshore engineering projects. Haihao Group has extensive experience supplying ASME B16.5 Class 600 flanges to this market, meeting strict quality and delivery requirements.
We understand the importance of:
- Fast delivery timelines
- Compliance with international standards
- Customization based on project needs
Request a Quote Today
Looking for a trusted supplier of ASTM A694 F65 WN flange ASME B16.5 Class 600?
Haihao Group provides:
- Competitive pricing
- Global shipping
- Technical support
- Customized solutions
Contact us today to get a fast quotation and technical assistance.
FAQ
What is ASTM A694 F65 material used for?
ASTM A694 F65 is a high-strength carbon steel used in high-pressure transmission pipelines, especially in oil and gas industries.
What is the difference between WN flange and socket weld flange?
WN flanges are used for larger pipes and require butt welding, while socket weld flanges are ideal for small pipes and high-pressure systems.
Why choose ASME B16.5 Class 600 flanges?
Class 600 flanges are designed for medium to high-pressure applications, offering reliable sealing and structural strength.
Can Haihao Group provide customized flange sizes?
Yes, Haihao Group can manufacture flanges according to project drawings and specific requirements.


