Haihao Group Ships A105 ASME B16.5 Flanges to Portugal Customer
Haihao Group has recently completed a shipment of A105 ASME B16.5 flanges for a valued customer in Portugal. This batch includes a diverse range of weld neck flanges, slip-on flanges, and socket weld flanges, manufactured in accordance with the strict dimensional and pressure requirements of ASME standards. The order reflects Haihao’s commitment to high-quality flange manufacturing and reliable supply for global pipeline projects.
Details of the Flange Shipment
The shipment consists of a wide selection of flange types and sizes, including:
- Weld Neck Flange RF (WN Flange RF) in sizes from 1/2″ to 12″, pressure classes 150#–300#, with wall thickness options such as SCH 40/STD, SCH 80/XS, and SCH 160.
- Socket Weld Flange RF (SW Flange RF) in sizes from 1/2″ to 2″, pressure classes 150#–300#, made from ASTM A105 forged carbon steel.
- Slip-On Flange RF (SO Flange RF) in sizes from 3″ to 10″, pressure class 150#, meeting full ASME B16.5 dimensional requirements.
All products were manufactured from certified ASTM A105 material, suitable for high-temperature and high-pressure service environments commonly found in oil & gas, petrochemical, and power industry applications.
Quality Control and Compliance
To ensure the stability and reliability of the shipment, every flange underwent strict quality control procedures, including dimension inspection, pressure rating verification, and surface finish checks. All flanges conform to ASME B16.5 standards, guaranteeing seamless installation and long-term performance in the customer’s pipeline system.
Haihao Group’s integrated production capability—covering forging, heat treatment, machining, and coating-allows us to supply customized flange solutions for international engineering projects.
Serving Global Customers With Reliable Flange Solutions
For decades, Haihao Group has been supplying pipeline flanges, pipe fittings, and piping components to customers worldwide. This shipment to Portugal once again highlights our ability to deliver high-standard products with stable lead times and consistent quality.
We look forward to supporting more partners with dependable A105 flanges, custom-made flanges, and comprehensive piping solutions.


