Haihao Group Ships Full Range of ASME B16.9 Seamless Carbon Steel Fittings to the United Kingdom
Haihao Group has successfully completed the production and shipment of a comprehensive batch of ASME B16.9 seamless carbon steel butt weld fittings to a valued client in the United Kingdom.
This large order covers seamless pipe caps, concentric and eccentric reducers, equal and reducing tees, 45°/90° elbows (long and short radius), and 180° return bends, all manufactured from ASTM A234 WPB carbon steel in a wide size range from 1/2″ to 18″, including STD and XS wall thicknesses.

ASME B16.9 ASTM A234 WPB seamless carbon steel pipe fittings including elbows, reducers, tees and caps for UK project
Product Scope and Technical Standards
All fittings are manufactured in strict accordance with ASME B16.9 and produced using seamless construction to ensure structural integrity and pressure reliability.
Included Products
- Seamless Pipe Caps (1-1/4″ to 18″, STD & XS)
- Seamless Concentric Reducers (3/4″ × 1/2″ up to 18″ × 14″)
- Seamless Eccentric Reducers (1″ × 1/2″ up to 16″ × 10″)
- Seamless Equal Tees (1/2″ to 12″, STD & XS)
- Seamless Reducing Tees (3/4″× 1/2″ up to 10″ × 4″)
- 45 Degree Long Radius Elbows (1/2″ to 14″)
- 90 Degree Long Radius Elbows (1/2″ to 16″)
- 90 Degree Short Radius Elbows (1″ to 16″)
- 180 Degree Long Radius Return Bends (2″)
Material: ASTM A234 WPB
Standard: ASME B16.9
Type: Seamless Butt Weld Fittings
This shipment demonstrates Haihao Group’s ability to supply complete ASME B16.9 seamless pipe fitting packages for UK industrial projects.
Why Seamless ASTM A234 WPB Fittings?
For high-integrity pipeline systems, ASTM A234 WPB seamless carbon steel fittings provide:
- Excellent mechanical strength
- Uniform wall thickness
- Reliable weldability
- Stable performance under pressure
Seamless construction eliminates weld seams in the body of the fitting, reducing the risk of structural weakness—especially important for STD and XS wall thickness butt weld fittings used in industrial piping systems.
Wide Size Range for Complex Piping Layouts
This order includes fittings from small bore (1/2″) to large diameter (18″), allowing the client to complete diverse piping configurations, including:
- Main pipeline transitions using seamless concentric reducers ASME B16.9
- Drainage and pump suction systems using seamless eccentric reducers carbon steel
- Branch connections via equal and reducing tees ASTM A234 WPB
- Directional flow control through 45° and 90° long radius elbows
- Compact installations with short radius elbows for space-limited piping systems
Such a complete supply ensures dimensional consistency and standard compliance across the entire project.
Quality Control and Manufacturing Assurance
Before shipment to the United Kingdom, all fittings underwent:
- Dimensional inspection
- Wall thickness verification (STD & XS)
- Material traceability control
- Surface quality inspection
- Marking verification according to ASME B16.9
Haihao Group maintains strict quality management to ensure every seamless carbon steel butt weld fitting for export to the UK meets international engineering requirements.
Supporting UK Industrial and Infrastructure Projects
The United Kingdom continues to invest in energy, water treatment, and infrastructure upgrades. Reliable pipeline components are essential for safe and efficient system operation.
By supplying this comprehensive range of ASME B16.9 ASTM A234 WPB seamless fittings, Haihao Group reinforces its position as a trusted global manufacturer of carbon steel pipe fittings for oil, gas, water, and industrial projects.

