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Special-Shaped Steel Tubes (Hex/Oval/Triangle, etc.)Customized Hexagon Oval Triangle Irregular Special Section Shape Steel Pipe Tube offers versatile shapes and sizes, suitable for structural, construction, and industrial applications. Certified with ISO9001, SGS, BV, TUV, and API5L, ensuring compliance with international quality standards and enabling global market access. Enhanced durability with options like hot-dip galvanized and pre-painted coatings, meeting diverse environmental needs.
Container tube Fire fighting pipeFire fighting pipeline refers to the pipeline material used for fire fighting, connecting fire fighting equipment and equipment, transporting fire fighting water, gas or other media. Due to special needs, the thickness and material of the fire pipe have special requirements, and spray red paint to transport fire water.- API N80 Oil casingOil country tubular goods (OCTG) are mainly used for the drilling of oil and gas wells as well as the transportation of oil and gas. Oil casings are primarily used to support the wellbore during drilling and after well completion, so as to ensure the smooth progress of the drilling process and the normal operation of the entire oil well after completion. Oil casings are the lifeline for maintaining the operation of oil wells. Due to different geological conditions, the stress state downhole is complex, with tensile, compressive, bending, and torsional stresses acting on the pipe body comprehensively, which places high requirements on the quality of the casings themselves.
API 5CT Oil PipeOur oil pipeline steel is specially designed for oil and gas transportation, featuring high strength, corrosion resistance, and excellent weldability, making it suitable for harsh working environments and complex operating conditions in the petroleum industry. The product complies with international standards such as API 5L, covering various grades (e.g., X42 to X80), ensuring safe and reliable energy transportation. Custom sizes and coating options are available to meet your project requirements.
Pickling Carbon Steel PipeCarbon steel pipe is made of ingot or solid round steel through perforation to make a tube, and then hot rolled, cold rolled or cold drawn to make. Carbon steel pipes are divided into hot rolled and cold rolled (drawn) steel pipes. Carbon steel pipe is a common metal pipe, composed of carbon and iron and other elements. It has good corrosion resistance, bearing capacity and machinability.- Q255/SM400 Welded steel pipeWelded steel pipe, also known as welded pipe, is a steel pipe made of steel plate or strip after crimping, welded steel pipe wall is thicker, has higher strength and stiffness, can withstand greater pressure and impact, its excellent mechanical properties, welded steel pipe is a widely used in construction, petroleum, chemical, light industry, machinery and other fields of pipe.
- Q345/S355JR/Gr.50 Seamless Steel PipeSeamless Pipe is a durable material made from carbon steel, a steel alloy with iron and carbon. Because of its strength and ability to withstand stress, carbon steel pipe is used in a variety of heavy-duty industries like infrastructure, ships, distillers, and chemical fertilizer equipment.
- K7 100mm 150mm Ductile Cast Iron PipeDuctile iron pipe refers to the use of more than 18 casting hot metal after the addition of spheroidizing agent, through the centrifugal ductile iron machine high-speed centrifugal casting into the pipe, referred to as the ductile iron pipe, ductile iron pipe and ductile casting pipe. Mainly used for the transmission of tap water, is the ideal choice of water pipeline materials.
- En545 En598 C25/C30/C40 Ductile iron pipeDuctile iron pipe refers to the use of more than 18 casting hot metal after the addition of spheroidizing agent, through the centrifugal ductile iron machine high-speed centrifugal casting into the pipe, referred to as the ductile iron pipe, ductile iron pipe and ductile casting pipe. Mainly used for the transmission of tap water, is the ideal choice of water pipeline materials.
- K9 Black Ductile Iron PipeDuctile iron pipe refers to the use of more than 18 casting hot metal after the addition of spheroidizing agent, through the centrifugal ductile iron machine high-speed centrifugal casting into the pipe, referred to as the ductile iron pipe, ductile iron pipe and ductile casting pipe. Mainly used for the transmission of tap water, is the ideal choice of water pipeline materials.
Our ductile iron pipes combine the strength of steel with the corrosion resistance of cast iron, making them ideal for modern water and wastewater systems. Through advanced spheroidization treatment, our pipes achieve high tensile strength and excellent impact resistance, ensuring reliable performance under high-pressure conditions. The pipes are internally lined with cement mortar or epoxy resin for enhanced flow efficiency and corrosion protection, while the external zinc coating with anti-corrosion finish provides long-term durability. Available in various classes (K7/K8/K9) and diameters, our products meet demanding municipal water supply, drainage, and industrial applications.
Our ductile iron pipes are produced using state-of-the-art centrifugal casting technology with computer-controlled molding and pouring systems. The production line features automated annealing furnaces for precise heat treatment, real-time nodularity monitoring equipment to ensure graphite spheroidization rates exceed 90%, and CNC machining centers for accurate socket and spigot processing. Integrated testing systems including hydrostatic pressure testing, ultrasonic thickness measurement, and coating adhesion checks guarantee consistent quality throughout the manufacturing process. Our smart factory supports customized lengths, thickness classes, and special lining requirements to meet project-specific needs.
In order to ensure product quality, we will arrange professional personnel to check product quality, packaging, weight, hardness, etc., according to customer requirements of product specifications, looking for high-quality and cheap cooperative factories in China, to provide customers with one-stop procurement services and quality assurance.
Excellent packaging: waterproof paper and plastic film + iron cover + at least three strapping straps + strapping straps fixed on iron or wood pallets can effectively protect products from corrosion and various climate changes during transportation. Generally speaking, we ship from Shanghai, Tianjin, Qingdao and Ningbo ports. We have worked with many experienced shipping companies for a long time to find the most suitable mode of transportation for you.
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Related Products
- Special-Shaped Steel Tubes (Hex/Oval/Triangle, etc.)Customized Hexagon Oval Triangle Irregular Special Section Shape Steel Pipe Tube offers versatile shapes and sizes, suitable for structural, construction, and industrial applications. Certified with ISO9001, SGS, BV, TUV, and API5L, ensuring compliance with international quality standards and enabling global market access. Enhanced durability with options like hot-dip galvanized and pre-painted coatings, meeting diverse environmental needs.
- Container tube Fire fighting pipeFire fighting pipeline refers to the pipeline material used for fire fighting, connecting fire fighting equipment and equipment, transporting fire fighting water, gas or other media. Due to special needs, the thickness and material of the fire pipe have special requirements, and spray red paint to transport fire water.
- API N80 Oil casingOil country tubular goods (OCTG) are mainly used for the drilling of oil and gas wells as well as the transportation of oil and gas. Oil casings are primarily used to support the wellbore during drilling and after well completion, so as to ensure the smooth progress of the drilling process and the normal operation of the entire oil well after completion. Oil casings are the lifeline for maintaining the operation of oil wells. Due to different geological conditions, the stress state downhole is complex, with tensile, compressive, bending, and torsional stresses acting on the pipe body comprehensively, which places high requirements on the quality of the casings themselves.
- API 5CT Oil PipeOur oil pipeline steel is specially designed for oil and gas transportation, featuring high strength, corrosion resistance, and excellent weldability, making it suitable for harsh working environments and complex operating conditions in the petroleum industry. The product complies with international standards such as API 5L, covering various grades (e.g., X42 to X80), ensuring safe and reliable energy transportation. Custom sizes and coating options are available to meet your project requirements.