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hebeihaihao

Hebei haihao high pressure flange & pipe fitting group was established in 1982, located in Mengcun County the hometown of pipe fittings in China.


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Haihao Group Supplies Custom Piping Solutions for Iraq Client – API 5L-B SAW Pipes, Fittings & Flanges

As a trusted global supplier of high-quality piping materials, Haihao Group recently completed the production and shipment of a comprehensive piping package for a key client in Iraq. This project highlights our ability to deliver customized and standard components according to international specifications and client drawings.

Project Overview

The order consisted of a wide range of carbon steel pipes, flanges, fittings, and fasteners, tailored for large-diameter industrial pipeline applications. All items were manufactured in strict accordance with relevant international standards such as API 5L, ASME B16.5, and ASME B16.9, ensuring product reliability and long-term service performance in demanding environments.

Products Supplied

The complete supply scope included:

API 5L Grade B SAW Straight Seam Steel Pipes

API 5L Grade B SAW Straight Seam Steel Pipes

API 5L Grade B SAW Straight Seam Steel Pipes

Specification: Submerged Arc Welded (SAW)

Diameter range: 30″ to 42″

Application: High-pressure fluid transportation

Custom Fabricated Expansion Joints

Manufactured strictly as per client-provided drawings

Designed to absorb thermal expansion and system vibrations

Lateral Tees & 45° Long Radius Elbows

Conforming to ASME B16.9

For directional changes and branch lines in the pipeline

Concentric Reducers

Seamless transition between pipe sizes

Ideal for maintaining flow characteristics

Flanged Branch Outlets Flange-Olets

Flanged Branch Outlets Flange-Olets

Flanges:

RF Plate Flanges

RF Weld Neck Flanges (WN)

Flanged Branch Outlets (Flange-Olets)

All flanges were machined with raised face and ANSI-compliant bolt holes

Hot-Dip Galvanized Double-End Stud Bolts and Hex Nuts

Corrosion-resistant surface treatment

Fully threaded, ready for flange joint installation

Engineering & Quality Control

At Haihao Group, every product goes through strict quality control processes:

Material traceability through full 3.1 certification

Dimensional inspection of all pipe fittings and flanges

Welding quality assurance using ultrasonic and radiographic testing

Galvanization thickness check according to ASTM A153 standards

Custom components, including the expansion joints and lateral tees, were verified against the original engineering drawings provided by the client, with tolerance and structural strength validated through simulation and actual pressure testing.

Serving Global Industrial Projects

This order reflects Haihao Group’s capability to serve complex piping system needs across the Middle East. Whether it’s oil & gas, petrochemical, water transmission, or infrastructure development, our team delivers timely solutions backed by decades of manufacturing expertise.

Looking for a reliable piping supplier for your next project?

Haihao Group offers complete pipeline system solutions – from carbon steel and stainless steel pipes to custom-fabricated fittings and flanges.

Contact us today to discuss your technical requirements or request a quote! Email:sales@haihaogroup.com

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