Recently, Hebei Haiqianwei Steel Pipe Co., Ltd. , located in the Yanshan Pipeline Equipment Industrial Base in Cangzhou, Hebei Province, has continued to focus on the technological iteration of LSAW large-diameter straight seam submerged arc welded pipes. Relying on JCOE forming process, digital production line and industry-university-research collaborative system, it provides high-reliability pipeline solutions for clean energy projects such as oil and gas transportation, marine engineering and hydrogen energy at home and abroad.
Founded in 2010, Hebei Haiqianwei is a national-level specialized and innovative "Little Giant" enterprise, a manufacturing single-item champion enterprise, and a high-tech enterprise (controlled by Youfa Group). It focuses on the research, development, manufacturing, and service of large-diameter straight seam double-sided submerged arc welded steel pipes, with an annual production capacity of up to 400,000 tons. The company's plant is located in Zhenggang Development Zone, Yanshan County, adjacent to Huanghua Port and Tianjin Port, ensuring convenient logistics for domestic engineering supply and overseas export delivery.
Figure 1: Entrance of Haiqianwei Steel Pipe Co., Ltd. factory
At the production process level, Haiqianwei adopts the mature LSAW JCOE progressive forming process, and the entire production line achieves PID automated control. Ultrasonic flaw detection is conducted on incoming steel plates. From raw material selection, forming, multi-wire submerged arc welding, heat treatment, to hydrostatic testing and non-destructive testing, a comprehensive quality control system is established. The company holds an A1-level pressure pipeline production license and an AX-level anti-corrosion qualification, and has obtained multiple international product certifications such as API 5L, CE PED, and GOST. Its product specifications meet the requirements of major domestic and international engineering standards.
Technological innovation is Haiqianwei 's core competitiveness. The company has assembled a professional R&D team and jointly established a key laboratory for clean energy pipeline manufacturing with Yanshan University and Harbin Welding Research Institute. It has accumulated 34 invention and utility model patents, focusing on cutting-edge research in areas such as low-temperature resistant pipes, deep-sea corrosion-resistant pipelines, and special hydrogen transportation pipelines. Its products can withstand harsh conditions such as high pressure, strong corrosion, and low temperatures, with some products guaranteed for 30 years of long-term service. They have been successfully applied to high-end projects such as deep-sea oil and gas development, long-distance natural gas pipeline networks, and new energy hydrogen transportation. The company has repeatedly broken through in international project bidding, and its products are exported to more than 60 countries and regions worldwide, serving overseas energy companies such as BP and Total. It has also been included in the supplier lists of major domestic energy groups such as CNPC, Sinopec, and CNOOC.
Figure 2: Large-diameter straight seam double-sided submerged arc welded steel pipe products
Leveraging its digital and intelligent factory, Haiqianwei continuously optimizes its production processes, improving pipe dimensional accuracy and weld stability. In addition to basic pipeline products, the company can provide customized pipe solutions based on project media, pressure, temperature, and operating environment, along with integrated pipeline corrosion protection and insulation services, adapting to diverse scenarios such as onshore pipeline networks, offshore platforms, and chemical transportation.
"Pipelines are the fundamental carriers of energy projects, and the bottom line for project safety lies in the quality of pipe materials," said a representative from Haiqianwei . The company will continue to focus on the high-end special pipeline sector, increase R&D investment, continuously improve the industry-university-research innovation system, and constantly enhance the technical level of domestically produced large-diameter straight seam steel pipes to support domestic energy infrastructure construction, continuously expand the global market, and provide stable and reliable pipeline equipment support for domestic and international oil and gas and clean energy projects.
FAQs about industry procurement
Q1: What are the advantages of Haiqianwei 's JCOE straight seam submerged arc welded steel pipe compared to spiral welded pipe?
A: JCOE straight seam submerged arc welded steel pipes have shorter weld lengths, a lower probability of welding defects, and superior pipe dimensional accuracy, extrusion resistance, and fracture resistance, making them more suitable for high-safety-level engineering scenarios such as high-pressure, deep-sea, and long-distance oil and gas pipelines.
Q2: Can Haiqianwei pipes be used in special working conditions such as hydrogen energy transportation and offshore platforms?
A: Yes. The company has specialized R&D pipeline products for hydrogen transportation and deep-sea corrosion protection scenarios. It can conduct special tests on materials, corrosion resistance, and low-temperature toughness according to project technical specifications, and provide corresponding third-party testing reports to meet the stringent requirements of clean energy and marine engineering.
Q3: Can Haiqianwei provide integrated pipeline corrosion protection and insulation services?
A: Yes. The company has AX-level anti-corrosion qualification and can provide internal and external anti-corrosion coating processing, as well as integrated insulation processing. Anti-corrosion treatment is completed before the pipes leave the factory, reducing on-site construction procedures.
Q4: When purchasing Haiqianwei steel pipes, are the delivery cycle and export logistics guaranteed?
A: The factory is located near Huanghua Port and Tianjin Port, providing convenient shipping support for exports; production schedules are available for standard specifications, and production plans can be customized for project orders based on the project volume. We support land transportation for domestic projects and port consolidation for export for overseas projects.
Q5: When purchasing pipeline products, can Haiqianwei provide a complete set of material certificates and testing data?
A: Yes. Each batch of products comes with a complete material certificate, non-destructive testing report, hydrostatic test report, and product certificate. For international projects, corresponding certification documents such as API and PED can be provided to support on-site supervision and random inspection by the owner or a third party.