A335P11 alloy tube
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- 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 used in the construction of underground parking structures?
- Steel pipes are used in the construction of underground parking structures for various purposes, such as providing structural support, drainage, and ventilation. They are commonly used as piles or caissons to support the weight of the structure and prevent it from sinking into the ground. Additionally, steel pipes are utilized for the installation of drainage systems to prevent water accumulation and ensure the structural integrity of the parking structure. They are also employed for ventilation purposes, allowing fresh air to circulate and remove any potentially hazardous gases. Overall, steel pipes are essential components in the construction of underground parking structures, ensuring their stability, safety, and functionality.
- Q: How do you select the right size of steel pipe for a project?
- To select the right size of steel pipe for a project, you need to consider factors such as the intended application, flow rate, pressure requirements, and structural integrity. It is essential to consult industry standards and guidelines, conduct engineering calculations, and seek professional advice to determine the appropriate pipe size that ensures optimal performance and safety for your specific project.
- Q: What is the difference between steel pipe and tubing?
- Steel pipe and tubing are both used in various applications, but they have distinct differences. The primary difference between steel pipe and tubing lies in their shape and dimensions. Steel pipe is typically round in shape and has a hollow interior. It is manufactured in a variety of sizes and thicknesses to accommodate different pressure and temperature requirements. Steel pipe is commonly used in construction, plumbing, and oil and gas industries for conveying fluids or gases. On the other hand, steel tubing can come in various shapes, including round, square, and rectangular. Unlike steel pipe, tubing is often measured by its outside diameter and wall thickness. Steel tubing is commonly used in structural applications, such as building frames, automotive components, and machinery. Another difference between steel pipe and tubing is their manufacturing process. Steel pipe is typically made from solid steel billets that are heated and stretched to create a seamless or welded tube. Tubing, on the other hand, can be produced through various methods, including hot or cold rolling, welding, or extrusion. In terms of strength and durability, both steel pipe and tubing offer excellent qualities. However, the specific requirements of the application will determine which one is more suitable. Steel pipe is often chosen for high-pressure or high-temperature applications, while steel tubing is preferred for structural purposes or when a specific shape is required. In summary, the main difference between steel pipe and tubing lies in their shape, measurement methods, and manufacturing processes. While steel pipe is round and measured by its inside diameter, tubing can come in various shapes and is typically measured by its outside diameter. Both steel pipe and tubing are widely used in different industries, but the choice depends on the specific application and requirements.
- Q: How do you protect steel pipes from fire?
- To protect steel pipes from fire, there are several measures that can be taken. One commonly used method is to apply fire-resistant coatings or paints to the surface of the pipes. These coatings or paints are designed to withstand high temperatures and provide a barrier that prevents the heat from reaching the steel. Another effective way to protect steel pipes from fire is to wrap them with fire-resistant insulation materials. These materials act as a buffer, reducing the heat transfer and slowing down the spread of fire. Insulation materials such as mineral wool or ceramic fiber blankets are commonly used for this purpose. In addition, it is important to ensure that the steel pipes are properly installed and supported. This includes maintaining proper clearance from other flammable materials and avoiding overcrowding or obstructions that could impede the flow of air around the pipes. Adequate spacing between pipes is also crucial to prevent the transfer of heat from one pipe to another. Furthermore, it is recommended to incorporate firestop systems when steel pipes pass through fire-rated walls or floors. Firestop systems consist of fire-resistant materials and seals that prevent the spread of fire and smoke through openings or penetrations in fire-rated barriers. Regular maintenance and inspections are essential to ensure the ongoing effectiveness of the fire protection measures. Any damage or deterioration of the coatings, insulation, or firestop systems should be promptly repaired or replaced to maintain the fire resistance of the steel pipes. Overall, a combination of fire-resistant coatings, insulation, proper installation, and maintenance practices are crucial in protecting steel pipes from fire hazards. These measures help to minimize the risk of fire-related damage and ensure the safety of both the pipes and the surrounding environment.
- Q: How are steel pipes protected against corrosion?
- Steel pipes are protected against corrosion through various methods such as coating them with protective materials like paint or epoxy, galvanizing them with a zinc coating, or using cathodic protection techniques such as sacrificial anodes or impressed current systems.
- Q: How does galvanization protect steel pipes from corrosion?
- Galvanization protects steel pipes from corrosion by creating a protective zinc layer on the surface of the steel. This zinc layer acts as a barrier, preventing moisture and oxygen from reaching the steel, thus inhibiting the formation of rust and corrosion.
- Q: How are steel pipes used in the construction of coal-fired power plants?
- Steel pipes are used in the construction of coal-fired power plants for various purposes such as transporting coal and water, circulating fluids, and carrying high-pressure steam. They are commonly used in the boiler and piping systems, including the coal handling system, ash handling system, and cooling water system. Steel pipes provide durability, strength, and resistance to high temperatures and pressures, making them essential components in coal-fired power plant construction.
- Q: How are steel pipes marked for identification?
- Pipe marking is a process used to identify steel pipes. This process involves placing labels or markers on the pipes' surface to provide important information about their specifications and characteristics. The labels typically include details such as the size, grade, material composition, manufacturer's logo or name, and any relevant codes or standards. These markings are crucial for proper identification and ensure that the right pipes are used for specific applications, as well as for maintenance and repair purposes. Furthermore, the markings also assist with quality control and traceability, making it easy to identify and track the pipes throughout their lifespan. In summary, using clear and durable marking systems to identify steel pipes is vital for safety, efficiency, and compliance in various industries where these pipes are used.
- Q: How are steel pipes protected against microbial corrosion?
- Steel pipes are protected against microbial corrosion through various methods, such as applying protective coatings or linings on the pipes' inner and outer surfaces. These coatings act as a barrier, preventing the contact of microorganisms with the steel surface, thereby reducing the risk of microbial corrosion. Additionally, biocides and inhibitors can be added to the pipe's contents or injected into the pipeline to inhibit the growth and activity of microbes, further protecting the steel pipes from microbial corrosion.
- Q: What is the lifespan of steel pipes?
- The lifespan of steel pipes can vary depending on various factors such as the quality of the steel used, the environment in which they are installed, and the maintenance and care they receive. However, typically, steel pipes can last for several decades or even up to a century if properly installed and maintained.
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A335P11 alloy tube
- Ref Price:
-
- Loading Port:
- Shanghai
- Payment Terms:
- TT OR LC
- Min Order Qty:
- -
- Supply Capability:
- 30000 kg/month
OKorder Service Pledge
OKorder Financial Service
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