Haihao Group Supplies a Full Range of Carbon Steel Flanges to Qatar Client
Haihao Group has successfully completed the production and shipment of a full range of carbon steel flanges for a valued customer in Qatar. The order covers multiple types, including Slip-On (SO), Weld Neck (WNRF), Blind (BLRF), and Threaded (THRF) flanges, all manufactured from ASTM A105 forged carbon steel.
These products were designed and produced according to BS 4504 and ANSI B16.5 standards, ensuring exceptional quality, dimensional accuracy, and reliable pressure performance.
ASTM A105 carbon steel flanges ready for shipment to Qatar
Product Overview
The shipment includes a wide selection of specifications to meet different industrial piping requirements:
- Slip-On Flanges (SO RF): Sizes from 1″ to 16″, pressure ratings PN16, PN25, and Class 150
- Weld Neck Flanges (WNRF): Sizes from 2 1/2″ to 30″, rated PN16 and Class 150 / SCH40
- Blind Flanges (BLRF): Sizes from 3″ to 20″, pressure ratings PN16 and Class 150
- Threaded Flanges (THRF): Size 2 1/2″ BSPT, PN16
Each flange is precision-forged from ASTM A105 carbon steel, providing superior mechanical strength, resistance to pressure and temperature variations, and excellent weldability for industrial piping systems.
Quality Assurance and Inspection
To ensure top quality and reliability, all flanges underwent a series of inspections and tests before delivery, including:
- Dimensional and visual inspection
- Ultrasonic and surface testing
- Material chemical composition verification
- Pressure rating and flatness testing
Haihao Group also provided complete quality documentation, including Material Test Certificates (MTC EN10204 3.1) and inspection reports, confirming full compliance with international standards.
Haihao Group forged slip on and blind flanges under BS4504 and ANSI B16.5
Supporting Global Energy and Industrial Projects
These carbon steel flanges will be used in energy, petrochemical, and water infrastructure projects across Qatar, where durability and precision are essential.
Haihao Group’s proven expertise in forged flange production and customized pipeline solutions ensures our clients receive dependable products ready for complex engineering applications.
With advanced manufacturing facilities and decades of export experience, Haihao Group continues to supply flanges, pipe fittings, and pipeline components to customers worldwide, providing consistent quality and on-time delivery.