• A335P11 alloy tube System 1
  • A335P11 alloy tube System 2
A335P11 alloy tube

A335P11 alloy tube

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Shanghai
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Supply Capability:
30000 kg/month

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P11 alloy tube can be recycled 100%, in line with the national strategy of environmental protection and energy conservation, conservation of resources, the national policy to encourage the expansion of the application fields of P11 alloy high-pressure pipe.

P11 alloy steel pipe is placed in the metal blank cold extrusion die cavity, at room temperature, through the press fixed punch pressure is applied to the blank, processing method to produce plastic deformation of P11 alloy steel pipe made of parts.

[1] extruded P11 alloy steel pipe size accurate smooth surface: at present our country in the development of P11 alloy steel pipe generally size precision can reach 8 ~ 9

Level, long degrees generally reach, if the lubrication can reach by ideal (refers to pure aluminum and copper parts), second only to the polishing surface. Therefore made of P11 alloy steel pipe method of parts, generally do not need to re processing, a small amount of just finishing (grinding).

[2] to save raw materials: P11 alloy steel material utilization rate is usually can reach more than 80%. Such as Jiefang automobile piston pin dynamic cutting material utilization rate is 43.3%, while the use of cold extrusion material utilization rate increased to 92%; and as the universal joint bearing sleeve to cold extrusion, the material utilization rate increased from 27.8% to 64% in the past. Visible, by cold extrusion method for producing machine parts, and can save a lot of steel and non-ferrous metal materials.

[3] high productivity: the efficiency of extrusion production machinery parts P11 alloy steel pipe by the method of cold is very high, especially the mass production of parts with cold extrusion steel tube production method, P11 alloy than cutting increased several times, dozens of times, even hundreds of times. For example, automobile piston pin cold extrusion method for manufacturing improved 3.2 times than by cutting, with current and piston pin cold extrusion automata, to further improve productivity. The productivity of a cold extrusion automata productivity is equivalent to 100 ordinary lathe or 10 sets of four spindle automatic lathe.

[4] can process the complex shape parts: such as profiled, inner gear, profiled hole and blind hole, the P11 alloy steel pipe is used in other processing method is difficult to finish, with cold extrusion processing is very convenient. As shown in the parts, convenient extrusion.

[5] the cold extrusion of P11 alloy steel high strength, good rigidity and light weight: because the cold extrusion adopts metal material cold deformation hardening of cold extrusion characteristics, namely the metal blank in three to the compressive stress state, the deformed materials, and has dense microstructure fiber flow continuous, so the parts strength greatly to improve the. So that it can use low strength material instead of high strength materials. For example, in the past 20Cr steel by machining manufacturing Jiefang piston pin, now changed to 20 steel by manufacturing piston pin cold extrusion, the determination of the indexes of performance, higher than the machining method of manufacturing piston pin cold extrusion of P11 alloy steel tube method.

Conclusion

Comparison of various processing methods, has outstanding advantages in cold extrusion of P11 alloy steel pipe technology and project. It is cold extrusion machining, forging, instead of casting and drawing process to produce machine parts, has opened up a broad road.

The 1 seamless steel tube

Because of the different manufacturing processes, divided into hot-rolled (extrusion) seamless steel pipe seamless steel pipe cold drawing (rolling) and two. Cold drawing (rolling) tube is divided into a circular tube shaped tube two.

Overview of A. process

Hot-rolled (extrusion seamless pipe): billet, heating, perforation, three roll cross rolling, rolling or extrusion, tube off, sizing pipe (or reducing), cooling, the blank pipe, straightening, water pressure test (or testing), marking, storage.

Cold drawing (rolling) seamless steel pipe: round tube billet, heating, perforation, heading, annealing, pickling, oiling (copper) and multi pass drawing (Leng Zha), the blank pipe, heat treatment, straightening, water pressure test (testing), marking, storage.

B. seamless steel tube, because of their different purposes is divided into the following several varieties:

GB/T8162-2008 (seamless steel tube structure). Mainly used for general structure and mechanical structure. The representative of material (grade): carbon steel 20, 45 steel; alloy steel Q345, 20Cr, 40Cr, 20CrMo, 30-35CrMo, 42CrMo etc..

GB/T8163-2008 (fluid with seamless steel pipe). Mainly used for conveying fluid pipeline engineering and large equipment. Representative of material (grade) 20, Q345.

GB3087-2008 (seamless steel tubes for low and medium pressure boiler). Mainly used for industrial boilers and boiler life conveying low pressure fluid pipeline. The representative material for 10, 20 steel.

GB5310-2008 (high pressure boiler seamless pipe). Mainly used in power stations and nuclear power plant boiler high temperature, high pressure fluid delivery set box and pipe. Representative of 20G, 12Cr1MoVG, 15CrMoG etc..

GB5312-1999 (carbon steel and carbon manganese steel seamless steel tube for ship). Mainly used for ship boiler and Superheater I, II grade pressure pipe, etc.. The representative material for 360, 410, 460 grade steel etc..

GB6479-2000 (seamless steel tubes for high-pressure chemical fertilizer equipment). Mainly used for conveying fluid of high temperature and high pressure pipeline of chemical fertilizer equipment. Representative of the material is 20, 16Mn, 12CrMo, 12Cr2Mo etc..

GB9948-2006 (seamless steel tubes for petroleum cracking). Mainly used for boiler, oil refinery heat exchanger and pipes conveying fluid. The representative material for 20, 12CrMo, 1Cr5Mo, 1Cr19Ni11Nb etc..

GB18248-2000 (seamless steel tubes for gas cylinders). Mainly used for the production of gas, hydraulic cylinders. The representative of 37Mn, 34Mn2V, 35CrMo etc..

GB/T17396-1998 (hot rolled seamless steel tubes for hydraulic prop). Mainly used in production of coal mine hydraulic support cylinder, column, and other hydraulic cylinder, column. The representative material for 20, 45, 27SiMn.

GB3093-1986 (high pressure seamless steel tubes for diesel engine). Mainly used for diesel engine high pressure oil injection system. The steel pipe is generally drawn tube, the representative of 20A.

GB/T3639-1983 (cold drawn or cold rolled precision seamless steel tube). Mainly used for mechanical structure, carbon pressure equipment used, the requirements of high dimensional accuracy, surface finish

Q:How are steel pipes tested for strength and durability?
Steel pipes are typically tested for strength and durability through various methods, including non-destructive testing techniques such as ultrasonic testing, magnetic particle inspection, and visual inspection. These tests help identify any potential defects, cracks, or flaws in the pipes. Additionally, destructive tests like tensile testing and impact testing are conducted to measure the strength and toughness of the steel pipes. These rigorous testing procedures ensure that the pipes meet the required standards and can withstand the intended applications.
Q:How are steel pipes repaired if they develop leaks?
Steel pipes can be repaired if they develop leaks through various methods such as welding, clamping, or using epoxy compounds. The specific repair technique depends on the size and location of the leak as well as the type of pipe, and it is typically carried out by trained professionals with the necessary equipment and expertise.
Q:How do steel pipes handle water erosion?
Steel pipes are highly resistant to water erosion due to their inherent strength and durability. The smooth surface of steel pipes minimizes friction and turbulence, reducing the likelihood of erosion. Additionally, steel pipes can be coated with protective layers, such as galvanization or epoxy, that further enhance their resistance to water erosion.
Q:How are steel pipes protected against external mechanical damage?
Steel pipes are protected against external mechanical damage through various methods. One common method is the use of protective coatings. These coatings provide a physical barrier between the steel surface and external forces, such as impact or abrasion. Coatings can be applied through processes like painting, epoxy coating, or wrapping the pipe with materials like polyethylene or polypropylene. Another method of protection is the use of external casing or encasement. Casing pipes are installed around the steel pipes to provide an additional layer of protection. These casing pipes are typically made of materials like concrete, PVC, or ductile iron, which are resistant to external mechanical damage. Furthermore, steel pipes can be protected by using supports and restraints. Properly designed supports and restraints help to distribute external forces evenly and prevent excessive stress or deformation on the pipe. This includes using hangers, clamps, or brackets to secure the pipe in place and minimize the risk of mechanical damage. In addition, steel pipes can be protected by implementing measures to prevent accidental impacts or collisions. This can involve installing protective barriers, fencing, or warning signs to alert people to the presence of pipelines and prevent unintentional damage. Overall, a combination of protective coatings, casing, supports, and preventive measures is utilized to ensure that steel pipes are safeguarded against external mechanical damage. These measures help to maintain the structural integrity of the pipes and ensure their long-term performance and reliability.
Q:What industries typically use steel pipes?
Steel pipes are widely used in various industries due to their durability, strength, and versatility. Some of the industries that typically utilize steel pipes include: 1. Construction: Steel pipes are extensively used in the construction industry for various applications such as structural support, plumbing, and underground piping systems. They are commonly used in commercial buildings, residential structures, bridges, and tunnels. 2. Oil and gas: The oil and gas industry heavily relies on steel pipes for drilling, transporting, and distributing oil and gas. Steel pipes are used in offshore drilling rigs, oil refineries, natural gas processing plants, and pipelines to ensure the safe and efficient transport of these valuable resources. 3. Water and wastewater: Steel pipes play a crucial role in providing clean water supply and managing wastewater. They are used in water treatment plants, desalination facilities, and municipal water distribution systems. Steel pipes are also utilized for sewage and stormwater management. 4. Manufacturing: Various manufacturing industries employ steel pipes for specific applications. For instance, automobile manufacturers use steel pipes in exhaust systems, fuel lines, and hydraulic systems. Steel pipes are also used in the manufacturing of machinery, equipment, and appliances. 5. Mining: The mining industry requires strong and durable materials for its operations. Steel pipes are used in mining applications such as conveying materials, ventilation systems, and underground infrastructure. They are particularly useful in transporting minerals, ores, and other mining byproducts. 6. Energy and power: Steel pipes are extensively used in power generation facilities, including thermal power plants, nuclear power plants, and renewable energy installations. They are utilized in steam pipelines, cooling systems, and heat exchangers. Steel pipes are also employed in the construction of transmission lines for electricity distribution. 7. Infrastructure and transportation: Steel pipes are essential for infrastructure development and transportation systems. They are used in the construction of roads, bridges, railways, and airports. Steel pipes are also utilized in the transportation of fluids and gases, such as in pipelines for natural gas or petroleum products. Overall, the versatility and reliability of steel pipes make them indispensable in a wide range of industries, contributing to various aspects of our modern infrastructure and daily lives.
Q:How are steel pipes used in the manufacturing of desalination plants?
Steel pipes are used in the manufacturing of desalination plants for various purposes, such as transporting seawater, brine, and freshwater through different stages of the desalination process. They are also used for the construction of pipelines, intake systems, and discharge outlets, ensuring durability, corrosion resistance, and efficient water flow in these critical systems.
Q:What is the standard length of steel pipes?
The standard length of steel pipes can vary depending on the application and industry, but commonly they are available in lengths of 20 feet or 6 meters.
Q:What are the environmental impacts of steel pipe manufacturing?
The environmental impacts of steel pipe manufacturing include the extraction and processing of raw materials, such as iron ore and coal, which can lead to deforestation and habitat destruction. Manufacturing processes, such as smelting and rolling, release significant amounts of greenhouse gases and pollutants into the atmosphere, contributing to climate change and air pollution. Additionally, the disposal of waste materials, such as slag and other byproducts, can contaminate soil and water sources. However, advancements in technology and the adoption of sustainable practices can help mitigate these impacts.
Q:What is the role of steel pipes in power plants?
Steel pipes play a crucial role in power plants as they are used for transporting various fluids, such as water, steam, and fuel, throughout the facility. They provide a durable and reliable means of conveying these substances under high pressure and temperature conditions, ensuring efficient energy generation and distribution. Additionally, steel pipes are essential for the cooling systems in power plants, allowing for the safe transfer of heat from the facility to the environment.
Q:What is the difference between steel pipes and HDPE pipes?
Steel pipes are made from a durable alloy of iron and carbon, while HDPE pipes are made from high-density polyethylene, a strong and flexible plastic material. Steel pipes are generally heavier and more rigid, making them suitable for high-pressure applications and structural support. HDPE pipes, on the other hand, are lighter, more flexible, and resistant to corrosion, making them ideal for underground and aboveground installations in various industries including water supply, gas distribution, and sewage systems.

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