Seamless Carbon Steel Pipe Fittings Shipment to Vietnam | Haihao Group
Haihao Group recently completed the successful delivery of a large batch of seamless carbon steel pipe fittings to a valued customer in Vietnam. The shipment included a wide range of 90-degree seamless elbows (long radius and short radius) and seamless concentric reducers, manufactured in strict accordance with international standards and customer technical requirements.
This order once again demonstrates Haihao Group’s strong capabilities in large-scale pipe fittings manufacturing, quality control, and on-time delivery for overseas projects.
Product Overview
The Vietnam shipment mainly covered the following pipe fitting categories:
- Seamless 90° Long Radius Elbows
- Seamless 90° Short Radius Elbows
- Seamless Concentric Reducers
All products were produced using carbon steel materials ASTM A234 WPB and EN P265GH, ensuring excellent mechanical strength, pressure resistance, and welding performance for industrial pipeline systems.
Technical Specifications
Materials
- ASTM A234 WPB
- EN P265GH
Size Range
- DN15 to DN250
- Outside Diameter (OD): 21.3 mm to 273.0 mm
Wall Thickness
- From 2.77 mm up to 11.13 mm
- Including SCH 40, SCH 80, SCH 160, and XXS options
Product Types
- Seamless 90° long radius elbows
- Seamless 90° short radius elbows
- Seamless concentric reducers
These seamless pipe fittings for Vietnam projects are suitable for applications involving high pressure, high temperature, and demanding operating conditions.
Manufacturing & Quality Control
All pipe fittings were manufactured using seamless hot-formed processes, ensuring uniform wall thickness and superior structural integrity. Haihao Group applies a comprehensive quality control system, including:
- Raw material chemical composition testing
- Dimensional inspection
- Visual and surface inspection
- Mechanical property testing
Each batch is fully traceable and compliant with international standards, helping customers reduce project risks and ensure long-term system reliability.
Applications
The supplied ASTM A234 WPB seamless elbows and reducers are widely used in:
- Oil and gas pipelines
- Power generation plants
- Petrochemical facilities
- Industrial fluid transmission systems
- Infrastructure and energy projects in Southeast Asia
For Vietnam’s fast-growing industrial and energy sectors, these carbon steel pipe fittings provide a dependable solution for complex piping layouts.
Reliable Pipe Fittings Supplier
With years of export experience, Haihao Group has become a trusted pipe fittings manufacturer and exporter to Vietnam. From small-diameter fittings to large-size seamless elbows and reducers, we offer flexible production schedules, strict quality assurance, and professional export packaging.

