High grade seamless steel tube
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Seamless pipe is a hollow section, no surrounding joint strip steel. The worldproduction of seamless pipe, a total of more than 5100 production plant more than 1850 companies in more than 110 countries under the production of oilpipe, which has more than 260 factory more than 170 companies in 44 countries under the.
Seamless tube with 1 structure (GB/T8162-2008) is used for seamless tubegeneral structure and mechanical structure.
Seamless pipe 2 fluid transport (GB/T8163-2008) is used for general seamless pipe conveying water, oil, gas and other fluid.
For low and medium pressure boiler seamless pipe 3 (GB3087-2008) is used in the manufacture of various structure of low and medium pressure boilersuperheated steam pipe, superheated steam pipe, boiling water pipe andlocomotive boiler flue tube, small pipe and brick arch tubes of high-quality carbon structural steel hot-rolled and cold drawn seamless pipe (rolling).
High pressure boiler seamless pipe with 4 (GB5310-2008) is used for heating surface tube boiler manufacturing high and higher pressure of high quality carbon steel, alloy steel and heat resisting stainless steel seamless pipe.
High pressure seamless tube with 5 chemical fertilizer equipment (GB6479-2000) is suitable for the work temperature of high quality carbon structural steel and alloy steel seamless tube of -40~400 DEG C, the working pressurefor chemical equipment and pipeline of 10~30Ma.
Seamless tube with 6 petroleum cracking (GB9948-2006) is applied to the oil refinery furnace tubes, heat exchangers and pipe seamless pipe.
Steel pipe 7 geological drilling (YB235-70) is for the Geological Department of the steel core drilling is used, according to use can be divided into the drill pipe, drill collar, core pipe, casing and sedimentation tubes.
Seamless tube with 8 diamond core drilling (GB3423-82) is used for seamlessdrill pipe, casing, Yan Xingan diamond core drilling.
9 oil drilling pipe (YB528-65) is used for seamless oil drilling internal upset ends or the outer thickening.
Seamless tube
Seamless tube
10 ships for carbon steel seamless pipe (GB5312-85)
China classification society rules for materials and welding -- ChineseClassification Society (CCS)
The Norway Classification Society (DNV) specification -- Norway Classification Society (DNV)
Lloyd's register of shipping (LR) specification -- British Lloyd's register of shipping (LR)
Germanischer Lloyd (GL) specification -- Germanischer Lloyd (GL)
American Bureau of shipping (ABS) specification - American Bureau of shipping (ABS)
Bureau Veritas (BV) specification - French Classification Society (BV)
The Italy Classification Society (RINA) specification, Italy Classification Society(RINA)
The Japanese classification society (NK) specification -- the Japaneseclassification society (NK)
The ship is making I level pressure piping, II level pressure piping, boiler and superheater for carbon steel seamless pipe. Carbon steel seamless pipe walltemperature does not exceed 450 degrees, alloy steel seamless pipe walltemperature more than 450 DEG C.
11 of automobile half shaft sleeve pipe seamless pipe (GB3088-82) is the manufacture of automobile half shaft sleeve and the driving bridge shell axis effective quality carbon structural steel and alloy structural steel hot-rolled seamless tube.
High pressure oil pipe with 12 diesel engine (GB3093-86) is a cold drawn seamless pipe manufacturing high-pressure diesel injection systems for.
With precision internal diameter seamless pipe 13 for hydraulic and pneumatic cylinder (GB8713-88) is the manufacture of hydraulic and pneumatic cylinderwith precision diameter with cold drawn or cold rolled precision seamless tube.
14 cold drawn or cold rolled precision seamless pipe (GB3639-83) is used fordimensional precision mechanical structure, hydraulic equipment, high and good surface finish of cold drawn or cold rolled precision seamless tube.Selection of precision seamless tube manufacturing mechanical or hydraulic equipment.
Stainless steel seamless tube with 15 structure (GB/T14975-2002) is widely used in chemical, petroleum, made of stainless steel hot-rolled textile, medical,food, machinery and other industrial anti-corrosion pipes and structural partsand components of a (extrusion, expansion) and cold drawing (rolling)seamless pipe.
Stainless steel seamless tube 16 fluid transport (GB/T14976-2002) is used for the transmission fluid made of stainless steel hot-rolled (extrusion, expansion)and cold drawing (rolling) seamless pipe.
17 special seamless tube is in addition to general seamless other cross section shapes of circular pipe outside the. According to the section of the steel pipe of different shapes and sizes can be divided into equal wall thickness of seamless pipe (codenamed D), unequal wall thickness of seamless pipe (codenamed BD), variable diameter special-shaped seamlesspipe (codenamed BJ). Shaped seamless pipe is widely used for variousstructural parts, tools and machinery parts.
Seamless steel tubes for 18 cryogenic pipe (GB/T18984-2003) is the use ofseamless steel tube for -45 to -195 DEG C low-temperature pressure vessellevel and low temperature heat exchanger tubes
General seamless tube is made with 10, 20, 30, 35 and 45 carbon steel 16Mnand 5MnV low alloy structural steel or 40Cr, 30CrMnSi, 45Mn2, 40MnB and other alloy steel hot-rolled or cold-rolled made. 10 and 20 low carbon steelseamless pipe is mainly used for fluid conveying pipeline. In 45, 40Cr in carbon steel seamless pipe used to make machine parts, such as automobile, tractorparts under stress. General seamless pipe to ensure the strength andflattening test. Hot rolled steel pipe in hot state or heat treatment delivery; cold with heat to heat treatment delivery. Seamless steel tubes for low and medium pressure boiler: used in the manufacture of a variety of low and medium pressure boiler, the superheated steam tube, boiling water pipe, superheated steam pipe, water wall tube and locomotive boiler flue tube, pipe and pipe arch bricks.
With high-quality carbon structural steel hot-rolled or cold-rolled seamless pipe(dial). Mainly used in 10, 20 steel manufacturing, in addition to ensure that the chemical composition and mechanical properties of the outer do pressure test,curling, flaring, flattening test. Hot rolled in hot state delivery, Leng Zha(allocated) to heat treatment delivery.
- Q: How are steel pipes classified based on their schedule?
- Steel pipes are classified based on their schedule, which refers to the thickness of the pipe wall. The schedule classification is denoted by a number, such as 10, 20, 40, 80, etc., with higher numbers indicating thicker walls.
- Q: How are steel pipes used in the manufacturing of chemical storage tanks?
- Steel pipes are commonly used in the manufacturing of chemical storage tanks as they provide structural support and serve as conduits for the transportation of chemicals. These pipes are typically used for connecting various components of the tank, such as the inlet and outlet valves, as well as for creating the internal plumbing system. The durability and corrosion resistance of steel make it an ideal material for ensuring the integrity and longevity of chemical storage tanks.
- Q: Can steel pipes be used for transportation of hazardous materials?
- Steel pipes can indeed be used for the transportation of hazardous materials. Steel is known for its strength, durability, and resistance to corrosion, making it suitable for handling and transporting a wide range of hazardous substances. This includes flammable liquids, toxic chemicals, and other dangerous materials. Steel pipes used for the transportation of hazardous materials are often specially designed and constructed to meet stringent safety regulations and industry standards. They are typically made from high-quality steel alloys and undergo rigorous testing to ensure their integrity and resistance to leaks or ruptures. Furthermore, steel pipes can be manufactured with additional protective coatings or linings to provide an extra layer of security and prevent any potential reactions between the hazardous material and the steel. These coatings can also help to minimize the risk of corrosion and extend the lifespan of the pipes. Overall, steel pipes have a proven track record in the transportation of hazardous materials due to their inherent strength, durability, and ability to withstand the harsh conditions often encountered during transportation. However, it is crucial to follow proper handling, storage, and transportation protocols to ensure the safety of both the materials being transported and the individuals involved in the process.
- Q: How are steel pipes used in the construction of nuclear power plants?
- Steel pipes are used in the construction of nuclear power plants for various purposes, such as transporting and containing fluids and gases, including coolant, steam, and compressed air. They are specifically chosen for their high strength, durability, and resistance to heat and pressure. Steel pipes are used in the construction of primary and secondary cooling systems, reactor vessels, and other critical components, ensuring the safe and efficient operation of nuclear power plants.
- Q: What are the common uses of steel pipes in construction?
- Steel pipes are commonly used in construction for various purposes due to their durability and strength. One of the most common uses of steel pipes in construction is for plumbing systems. Steel pipes are often used to carry water, gas, and other fluids throughout a building. They are preferred over other materials due to their resistance to corrosion and ability to withstand high pressure. Another common use of steel pipes in construction is for structural support. Steel pipes are often used as columns or beams to provide structural integrity to buildings. They can support heavy loads and provide stability to structures, making them a popular choice in the construction industry. Steel pipes are also commonly used in the construction of bridges and highways. They are used for creating strong and durable bridge supports, guardrails, and signposts. Steel pipes are able to withstand extreme weather conditions and heavy traffic, making them a reliable choice for infrastructure projects. Furthermore, steel pipes are used for underground utilities such as sewer and drainage systems. They provide a strong and long-lasting solution for transporting wastewater and preventing leaks. Steel pipes are also used in the construction of underground tunnels and pipelines. In addition to these common uses, steel pipes are also utilized in construction for fencing, scaffolding, and handrails. They are chosen for their strength, versatility, and ability to withstand harsh environmental conditions. Overall, steel pipes are an essential component in construction due to their numerous advantages. Their durability, strength, and resistance to corrosion make them a reliable choice for various applications in the construction industry.
- Q: How can steel pipes be protected from corrosion?
- Steel pipes can be protected from corrosion through various methods such as applying protective coatings, using cathodic protection techniques, implementing proper maintenance and inspection procedures, controlling water chemistry, and utilizing corrosion inhibitors.
- Q: How are steel pipes used in the chemical industry?
- Steel pipes are commonly used in the chemical industry for various applications including the transportation of corrosive chemicals, as well as for transferring fluids and gases at high temperatures and pressures. These pipes are durable, resistant to corrosion, and can withstand harsh working conditions, making them ideal for handling chemicals in industrial settings.
- Q: What are the safety considerations while handling steel pipes?
- When handling steel pipes, some key safety considerations include wearing appropriate personal protective equipment (PPE) such as gloves, safety glasses, and steel-toe boots to protect against potential injuries. It is important to be cautious of the weight and size of the pipes, using proper lifting techniques and equipment to prevent strains or accidents. Additionally, workers should be mindful of the sharp edges and potential for cuts or punctures, ensuring they have a clear and organized workspace to minimize the risk of tripping or falling. Regular inspections of the pipes for any damages or defects are also crucial to prevent accidents and maintain a safe working environment.
- Q: What are the different grades of steel used in manufacturing pipes?
- There are several grades of steel used in manufacturing pipes, including carbon steel, alloy steel, stainless steel, and duplex steel. Each grade has distinct properties and characteristics that make it suitable for different applications and environments.
- Q: What are the different methods of lining steel pipes?
- There are several methods of lining steel pipes, each with its own advantages and uses. Some common methods include: 1. Cement Mortar Lining: This involves the application of a layer of cement mortar on the inner surface of the steel pipe. Cement mortar provides excellent corrosion resistance and smoothness to the pipe, reducing friction and improving flow rates. It is commonly used in water supply systems and sewage treatment plants. 2. Polyethylene (PE) Lining: PE lining involves the insertion of a polyethylene tube into the steel pipe. The tube is usually heat fused or mechanically connected to the steel pipe, creating a seamless and corrosion-resistant lining. PE lining is commonly used in gas transmission and distribution pipelines. 3. Epoxy Lining: Epoxy lining involves the application of an epoxy resin to the inner surface of the steel pipe. Epoxy coatings provide excellent resistance to corrosion, abrasion, and chemicals, making them suitable for various applications such as oil and gas pipelines, water treatment, and industrial processes. 4. Trenchless Pipe Lining: This method is used to rehabilitate existing steel pipes without the need for excavation. It involves the insertion of a liner or resin-coated fabric into the existing pipe, which is then inflated and cured to form a new lining. Trenchless pipe lining is commonly used for sewer and water main rehabilitation. 5. Polyurethane (PU) Lining: PU lining involves spraying or pouring a polyurethane coating onto the inner surface of the steel pipe. Polyurethane linings provide excellent resistance to abrasion, impact, and chemicals, making them suitable for applications in mining, slurry pipelines, and wastewater treatment. These are just a few of the many methods available for lining steel pipes. The choice of lining method depends on factors such as the intended application, the environment, and the desired level of corrosion resistance and durability.
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High grade seamless steel tube
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