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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.
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.
ISO 2531 Ductile Iron Double Welding 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.- 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.
Container tube Fire fighting 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.
Our Fire Protection Pipes are manufactured from high-quality carbon steel and galvanized steel, complying with international standards including ASTM, NFPA, EN, and BS. These pipes deliver reliable pressure resistance and corrosion protection, making them suitable for sprinkler systems, fire hydrants, and standpipe installations. Custom lengths and end configurations such as threaded or grooved ends are available to meet project-specific requirements.
Our fire protection pipes are produced using high-frequency welding (HFW) or seamless hot-rolling, followed by hydrostatic testing (1.5x working pressure) and zinc coating (hot-dip or electro-galvanized). The production line includes automated ultrasonic testing (UT) for weld integrity, precision cutting (±2mm length tolerance), and end-finishing (beveling/threading). The entire manufacturing process is certified to UL/FM global fire safety standards.
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.
- 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.