The best spiral submerged arc welded pipe manufacturer in China
Shanghai Jiafang Steel Pipe (Group) Co., Ltd. is quite influential in the field of steel pipe production. The company's headquarters is located in Pudong New Area, Shanghai, covering an area of 70,000 square meters, of which the raw material and finished product yards occupy 20,000 square meters. The spacious factory building of nearly 40,000 square meters provides sufficient space for production operations, and the annual production scale can reach 200,000 tons.
In terms of production equipment, the company is fully equipped and advanced. It has three sets of spiral seam double-sided submerged arc welded steel pipe production units, which can produce various specifications of steel pipes with diameters of φ219mm - φ3000mm, wall thicknesses of 4mm - 25mm, and materials covering Q235, Q345 and pipeline steel A - X80 grades. There are three sets of straight seam welded steel pipe production equipment, which can produce straight seam steel pipes with diameters of DN200 - DN4000, wall thicknesses of 4mm - 40mm, and materials of Q235, Q345, and pipeline steel A - X70 grades. In addition, there is also a set of equipment that can produce straight seam steel pipes of the same diameter, wall thickness and material.
In terms of quality inspection, the company has complete facilities. It is equipped with a 225KV X-ray real-time imaging detection system, an online ultrasonic detection system, an online spark leak detector, a universal tensile testing machine, a spectrometer, and various portable ultrasonic detectors, X-ray flaw detectors, spark leak detectors, thickness gauges, surface roughness meters, magnetic particle detectors, etc. These equipment can closely monitor, accurately measure and conduct professional experiments on the entire process of steel pipe production, providing solid equipment support for the product quality assurance system.
Anti-corrosion operations are also a major advantage of the company. It has two epoxy powder spraying anti-corrosion equipment for flow operation and two semi-automatic anti-corrosion equipment, including two sets of shot blasting machines, two sets of medium frequency heating, and two sets of epoxy powder spraying equipment. It can perform advanced epoxy powder spraying anti-corrosion, cement mortar anti-corrosion, epoxy coal tar anti-corrosion on steel pipes, and meet other types of anti-corrosion needs of customers. Its unique expansion equipment allows the company to produce socket-type flexible joint steel pipes, which greatly reduces the intensity and difficulty of on-site construction.
The products produced by the company strictly follow a series of standards such as API SPEC 5L, GB/T9711.1-1997, SY/T5037, SY/T5040, GB50205, S311, AWWA, AS1579, etc., and are widely used in oil and gas transportation, ordinary fluid transportation for water and gas supply, sewage treatment sewage pipes, as well as bridges, ports and docks, industrial pile pipes, dredging engineering pipes, pipe curtain construction pipes and various structural pipes.
The company has strong professional and technical strength, with more than 30 professional and technical personnel, 32 senior personnel of various special types and non-destructive testing personnel, and has built a complete technical guarantee system and quality assurance system. The company adheres to the concept of quality first and service first, strictly manages, and has successively won ISO9001 quality system certification, ISO14000 environmental management system certification, GB/T28001 occupational health and safety system certification, national special equipment (pressure pipeline) manufacturing license, and the American Petroleum Institute API logo use certificate. The company has won the title of "Shanghai Major Project Excellent Enterprise" for 4 consecutive years and was rated as a Shanghai famous brand product in 2008.
In the past 20 years, the company has provided a large number of steel pipes with different standards for many industries such as tap water diversion, sewage treatment, cross-sea bridges, port terminal construction, oil and gas, etc., and has gained a good market reputation. The products and services are well received by domestic and foreign customers, laying a solid foundation for market development. The company has participated in many major projects, including the Shanghai Huangpu River upstream water diversion phase I and II projects, the Yangtze River diversion phase I, II and III projects, the combined sewage project and the Shanghai Qingcaosha water diversion project. In terms of bridge construction, a large number of structural pile pipes have been supplied for projects such as Shanghai Donghai Bridge, Minpu Bridge, Jiangsu Sutong Bridge and Zhoushan Jintang Bridge. In the field of oil and gas, high-quality steel pipes are provided for Shanghai Natural Gas Pipeline Network Company, Bayer of Germany and Venezuelan oil projects. The company has self-export qualifications and has established good cooperative relations with trading companies and construction companies in Australia, Africa, Europe and South America in recent years. It is also a member of the China Petroleum and Petrochemical Industry Association.
Shanghai Jiafang Steel Pipe Group also has branches. Shanghai Jiafang Steel Pipe Group Ningbo Co., Ltd. is located in Ningbo Daxie Development Zone Terminal Co., Ltd., with a total investment of 80 million yuan and an area of 20,000 square meters. It has a superior geographical location. The factory is only 50 meters away from the 20,000-ton multi-purpose terminal, with an annual production capacity of 80,000 tons. The products are mainly super-long steel pipe piles and water pipes. It has two sets of spiral seam double-sided submerged arc welded steel pipe production units, which can produce pipes with diameters of φ219mm - φ3200mm, wall thicknesses of 4mm - 25mm, and materials of Q235, Q345, pipeline steel A - X70 grades, up to 90 meters long; one set of straight seam welded steel pipe production equipment, which can produce straight seam steel pipes of specific specifications; and one epoxy zinc-rich spraying equipment, which can perform epoxy zinc-rich anti-corrosion on steel pipes with diameters of φ219mm - φ2800mm.
Shanghai Jiafang Steel Pipe Group Taicang Co., Ltd. is located in the Port Development Zone of Taicang City, with a total investment of 200 million yuan, an area of 80,000 square meters, an annual production capacity of 120,000 tons, and mainly produces oil and gas transportation steel pipes. The company has a superior geographical location and convenient water and land transportation, and is only 3 kilometers away from the 50,000-ton multi-purpose terminal. It has three sets of spiral seam double-sided submerged arc welded steel pipe production units, one set of straight seam welded steel pipe production equipment, one line of epoxy powder spraying anti-corrosion equipment, and two 3PE external anti-corrosion production lines, which can carry out external anti-corrosion on steel pipes with diameters of φ150mm - φ1420mm, with an annual production capacity of 3 million square meters. In 2024, its products will be shipped in batches to Angola by sea to help the construction of local offshore drilling platform projects.
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