Haihao Group Ships ASTM A694 F65 Class 600 Weld Neck Flanges to Singapore

Haihao Group has successfully completed the delivery of ASTM A694 F65 weld neck flanges for a customer in Singapore. The flanges were manufactured in strict accordance with ASME B16.5 and NACE requirements, meeting the demanding standards of marine and energy-related applications.

ASTM A694 F65 Class 600 weld neck flange RF shipped to Singapore

Shipment Details and Specifications

The order includes Class 600 raised face (RF) weld neck flanges, supplied with full documentation and protective treatment to ensure safe delivery and long-term performance.

Product specifications:

• Product Type: Weld Neck Flange (RF)

• Sizes: 2″ and 3″

• Pressure Class: Class 600 (STD)

• Standard: ASME B16.5

• Material: ASTM A694 F65 (NACE compliant)

• Facing: Raised Face (RF)

• Certification: EN 10204 3.1 Mill Test Certificate (marine class approved)

• Surface Protection: Anti-rust oil

• Packaging: Delivered with protective end caps

These ASTM A694 F65 Class 600 weld neck flanges are designed for high-pressure pipeline systems where strength, toughness, and resistance to sour service environments are critical.

Material Performance Advantages

ASTM A694 F65 is widely used in offshore, marine, and oil & gas applications due to its:

• High yield strength and excellent mechanical properties
• Proven performance in high-pressure service
• Compliance with NACE standards for corrosive environments
• Reliable weldability for critical pipeline connections

The weld neck design provides superior stress distribution, making these flanges suitable for long-term operation under fluctuating loads.

Quality Assurance and Traceability

All flanges underwent a comprehensive quality control process, including:

• Dimensional and visual inspection
• Verification of pressure class and facing
• Review of chemical composition and mechanical properties
• Confirmation of NACE compliance

Each shipment is supplied with 3.1 mill test certificates, ensuring full traceability from raw material to finished product.

Reliable Flange Supplier for Global Projects

With years of export experience, Haihao Group supplies weld neck flanges, forged flanges, and customized pipeline components to customers across Southeast Asia, the Middle East, Europe, and beyond.

Whether for offshore platforms, marine systems, or high-pressure industrial pipelines, Haihao Group remains a trusted partner for ASME B16.5 flange solutions.