Haihao Group Ships ASME B16.5 Weld Neck Flanges to UAE Customer
Haihao Group has successfully completed a new shipment of weld neck flanges (WN RF) for a long-term customer in the United Arab Emirates. The order includes a full range of ASME B16.5 high-pressure weld neck flanges, produced in both ASTM A350 LF2 CL.1 and ASTM A182 F11 CL2 materials to meet demanding service conditions in Middle Eastern energy projects.
These weld neck flanges for UAE project were engineered for excellent performance in low-temperature, high-pressure, and harsh operating environments. The products underwent strict heat treatment, -29°C impact testing, and precision machining of the sealing face and threads, ensuring full compliance with international standards.
Quality inspection of ASME B16.5 A350 LF2 RF Weld Neck Flange
Product Details
ASTM A350 LF2 CL.1 Weld Neck Flanges
- Sizes: 2″, 6″, 16″
- Wall Thickness: SCH 80 (5.54 mm / 10.97 mm / 21.44 mm)
- Pressure Rating: Class 600
- Standard: ASME B16.5
- Application: Low-temperature service, pressure pipeline systems
- Features: Stable toughness at sub-zero temperatures, high mechanical strength
ASTM A182 F11 CL2 Weld Neck Flanges
- Sizes: 2″, 4″, 24″
- Wall Thickness: SCH 80 / SCH 60 (5.54 mm / 8.56 mm / 24.61 mm)
- Pressure Rating: Class 600
- Standard: ASME B16.5
- Application: High-temperature and high-pressure piping systems
- Features: Excellent creep resistance and thermal stability
Manufacturing & Quality Assurance
To ensure the flange performance meets customer and project requirements, all products were produced using Haihao’s advanced forging and heat-treatment processes:
- Full material heat treatment
- -29°C low-temperature impact toughness (Charpy) compliance
- Precision sealing-face serrated finish
- Dimensional inspection per ASME B16.5
- Pressure and material traceability documents provided
Our experience as an ASME B16.5 weld neck flange supplier allows us to deliver consistent quality tailored to oil & gas, petrochemical, and offshore applications across the Middle East.
Reliable Weld Neck Flange Supplier for the UAE Market
Haihao Group continues to expand its supply capabilities for Middle Eastern pipeline projects. With strong production capacity and strict quality control, we support clients seeking:
- ASTM A350 LF2 CL1 weld neck flanges for cryogenic and low-temperature systems
- ASTM A182 F11 CL2 weld neck flanges for high-temperature pipelines
- Custom SCH 60 / SCH 80 weld neck flanges
- Large-diameter forged flanges up to 24 inches
Whether for new installations or maintenance operations, we provide dependable, fully certified solutions.