The following is a detailed comparison of JCOE molding process and UOE molding process in different application scenarios:

JCOE molding process

Urban pipeline network construction:

Specification flexibility: In the construction of urban gas, water supply and other pipeline networks, there are significant differences in the requirements for steel pipe specifications in different regions and streets. JCOE technology can produce steel pipes with various diameters and wall thicknesses, ranging from smaller diameters used for internal pipelines in residential areas to larger diameters used for urban main road pipelines, all of which can be produced on demand. For example, in the renovation of old residential areas, steel pipes can be flexibly produced according to the actual situation of the original pipeline layout and building spacing, without being limited by fixed specifications for large-scale production like UOE technology.

Construction convenience: Due to limited construction space in cities, JCOE Steel Pipes are relatively lightweight, making them easy to transport and operate in narrow spaces. Moreover, its residual stress during the molding process is small, and it can better adapt to soil settlement and other situations under complex geological conditions in cities, reducing the risk of pipeline deformation and leakage.

Steel structure building:

Bearing capacity: For large steel structure buildings such as sports halls and exhibition halls, JCOE technology can produce large-diameter and high-strength steel pipes, which can serve as the main supporting structural components and withstand huge loads. In the roof structure of the sports arena, using large-diameter JCOE steel pipes as arches can effectively support the weight of the roof and external loads.

Cost advantage: Compared with some more complex molding processes, JCOE process has lower costs and can help control construction costs while meeting the requirements of building structural strength. For some cost sensitive steel structure construction projects, such as industrial plants, JCOE steel pipes are a cost-effective choice.

Bridge pile driving:

Pile foundation adaptability: In small bridges or bridge projects where pile foundation requirements are not particularly high, JCOE steel pipes can be used as pile foundation materials. It can produce steel pipe piles of different lengths and diameters according to the design requirements of the bridge, adapting to different geological conditions and bridge load requirements. For example, small bridges built on soft soil foundations can use JCOE steel pipe piles with relatively small diameters and moderate wall thickness, which can be constructed by driving or static pressure to provide stable foundation support for the bridge.

Construction efficiency: JCOE steel pipe production and construction are relatively flexible. In some small-scale bridge construction, it can quickly provide the required steel pipe piles, improve construction efficiency, and shorten the construction period. Moreover, its relatively low price helps to reduce the overall cost of bridge construction.

Small oil and gas transmission pipelines:

Diversity of specifications: In the gathering and transportation pipelines or small oil and gas transmission branches within oil and gas fields, JCOE technology can produce steel pipes of various specifications to meet the requirements of different production volumes and transportation distances. For example, for some oil wells with low production, small-diameter JCOE steel pipes can be used for crude oil transportation; For the internal gathering and transmission pipelines of some gas fields, steel pipes with corresponding wall thickness and diameter can be produced according to the requirements of gas volume and transmission pressure.

Flexibility and economy: JCOE process has high production flexibility. For small oil and gas pipeline projects, the production plan can be adjusted at any time according to actual needs to produce different quantities and specifications of steel pipes. Meanwhile, its cost is relatively low, which can save investment costs for small-scale oil and gas transportation projects.

UOE Forming Process

Long distance high-pressure oil and gas pipeline:

High strength and high precision requirements: Long distance oil and gas pipelines such as the West East Gas Pipeline require steel pipes to withstand high pressure, resist soil pressure, and other external forces. The steel pipes produced by UOE process have high strength, high dimensional accuracy, good roundness and straightness, and can maintain stable performance during long-distance transportation, reducing the risk of leakage. For example, in the West East Gas Pipeline Project, the high strength of UOE steel pipes ensures the safe transportation of natural gas under high pressure, and their high-precision dimensions also facilitate pipeline installation and connection.

Large scale production efficiency: These large-scale projects require a large amount of steel pipes, and the UOE process has high production efficiency, which can meet the needs of large-scale continuous production and ensure the smooth progress of the project. Through automated production equipment and efficient production processes, UOE production lines can quickly produce a large quantity of high-quality steel pipes to meet the project's schedule requirements.

Marine pipeline:

Corrosion and fatigue resistance: The marine environment has high corrosiveness and complex stress conditions. UOE steel pipes have undergone special treatment and processing to have good corrosion resistance and can resist erosion from seawater, salt spray, etc. At the same time, it has good fatigue resistance and can withstand periodic stresses caused by ocean waves, currents, etc., making it suitable for marine engineering fields such as subsea oil and gas pipelines and offshore wind power foundation piles. For example, in subsea oil and gas pipelines, the corrosion and fatigue resistance of UOE steel pipes can ensure the safety and reliability of the pipeline during long-term service.

High precision and stability: Ocean engineering requires extremely high dimensional accuracy and stability for steel pipes, and steel pipes produced by UOE process can meet these requirements. In the application of offshore wind power foundation piles, the high precision of UOE steel pipes ensures the verticality and roundness of the foundation piles, which is beneficial for the installation and stable operation of offshore wind power equipment.

Large chemical pipelines:

Corrosion resistance and high strength: Pipelines transporting various chemical raw materials in large chemical enterprises require high strength to withstand high pressure inside the pipeline, as well as good corrosion resistance to resist the erosion of chemical raw materials. UOE steel pipes can use special materials and anti-corrosion coatings to meet the corrosion resistance requirements of chemical pipelines, and their high strength can also ensure safe operation under high pressure. For example, in pipelines transporting corrosive chemical raw materials such as strong acids and alkalis, the corrosion resistance and high strength of UOE steel pipes can ensure the long-term stable use of the pipeline, reducing maintenance and replacement costs.

Reliability and safety: The chemical production process has strict requirements for the reliability and safety of pipelines. The high quality and precision of UOE steel pipes can ensure the sealing and stability of pipeline systems, reducing the risk of leakage and accidents. In the production equipment of chemical enterprises, using UOE steel pipes as chemical pipelines can improve the safety and reliability of the entire production system, ensuring the normal operation of production.

High pressure vessel:

High pressure bearing capacity: High pressure vessels such as large oil storage tanks, gas storage tanks, etc. require steel pipes with extremely high strength and sealing to withstand the high pressure inside the container. The high strength and good welding quality of UOE steel pipes enable them to meet the requirements of high-pressure vessels and ensure the safety of the vessels during use. For example, in large oil storage tanks, UOE steel pipes are the main material for the tank body, and their high strength can withstand the pressure of the oil inside the tank, preventing deformation and leakage of the tank body.

Dimensional accuracy and stability: High pressure vessels have strict requirements for dimensional accuracy, and the steel pipes produced by UOE process have high dimensional accuracy, which can ensure the manufacturing accuracy and stability of the vessel. In the manufacturing of gas storage tanks, the high-precision dimensions of UOE steel pipes can ensure the sealing and overall performance of the tank body, improve the safety performance and service life of the gas storage tank.