A335P11 alloy tube
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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 do you determine the pipe schedule for steel pipes?
- Several factors, including pressure rating, wall thickness, and outer diameter, are taken into account to determine the pipe schedule for steel pipes. The pipe schedule serves as a standardized system that classifies the thickness of pipe walls, ensuring compatibility and safety in various applications. To ascertain the pipe schedule for steel pipes, one must consider the maximum pressure the pipe will endure, typically measured in pounds per square inch (psi) or bars. The pressure rating indicates the pipe's ability to withstand pressure without experiencing failure or leakage. Higher pressure ratings necessitate thicker pipe walls. Another crucial factor in determining the pipe schedule is the wall thickness, typically expressed in inches or millimeters. The wall thickness directly correlates with the pressure rating, as thicker walls have the capacity to handle higher pressures. The American National Standards Institute (ANSI) has established a set of standardized wall thicknesses for steel pipes known as the "pipe schedule." The outer diameter of the pipe is also taken into consideration when determining the pipe schedule. The specific application and requirements influence the outer diameter variation. Selecting a pipe with the appropriate outer diameter is essential to ensure proper fit and compatibility with fittings, valves, and other components. In conclusion, the pipe schedule for steel pipes is determined by examining the maximum pressure, wall thickness, and outer diameter. By aligning these factors with the suitable pipe schedule, one can guarantee that the steel pipe is appropriate for its intended usage and capable of withstanding the required pressure.
- Q:What is the outer diameter and wall thickness of the welded steel pipe of national standard DN250?
- DN250 is the nominal diameter, the outer diameter of the steel pipe is 273mm, the thickness is above 6.5mm.
- Q:What are the safety precautions to consider when working with steel pipes?
- When working with steel pipes, it is important to follow certain safety precautions to prevent accidents and injuries. Some key precautions include wearing appropriate personal protective equipment (PPE) such as gloves, safety glasses, and steel-toed boots to protect against cuts, burns, and impact injuries. It is also crucial to inspect the pipes for any defects or damage before using them and ensure they are properly supported and secured during installation to prevent them from falling or causing structural failures. Additionally, workers should be trained on safe lifting techniques to avoid strain or back injuries when handling heavy pipes. Regular maintenance and inspection of tools and equipment, as well as adherence to proper handling and storage procedures, are also essential for maintaining a safe working environment when working with steel pipes.
- Q:How are steel pipes protected against ultraviolet radiation?
- Steel pipes are typically protected against ultraviolet radiation by applying a coating or paint that contains UV-resistant additives. This coating acts as a barrier, preventing the harmful effects of UV radiation from causing damage or degradation to the steel surface.
- Q:What are the advantages of PVC pipe and galvanized steel pipe?
- Galvanized steel pipe is also used, because some areas require the use of strength. Moreover, the iron and steel industry is a pillar industry, there are some unspoken rules in it.
- Q:Can steel pipes be used for geothermal heating systems?
- Yes, steel pipes can be used for geothermal heating systems. Steel pipes are commonly used for their durability and ability to withstand high temperatures and pressures. They are suitable for transferring geothermal heat from the ground to the heating system within a building. However, it is important to consider the specific requirements of the geothermal system and consult with professionals to ensure proper installation and compatibility with the system components.
- Q:What are the different types of flanges used with steel pipes?
- There are several types of flanges commonly used with steel pipes, including slip-on flanges, weld neck flanges, socket weld flanges, threaded flanges, and blind flanges. These flanges are used to connect and secure steel pipes in various industrial applications, each offering specific advantages depending on the requirements of the piping system.
- Q:What is the thermal conductivity of steel pipes?
- The thermal conductivity of steel pipes can vary depending on the specific type of steel and its composition, but generally, steel has a relatively high thermal conductivity compared to other materials. It is typically around 50-60 W/m·K.
- Q:What is the role of steel pipes in the transportation of chemicals?
- The role of steel pipes in the transportation of chemicals is to provide a strong, durable, and corrosion-resistant conduit for safely moving various types of chemicals from one location to another. Steel pipes are known for their high strength and ability to withstand high pressure, making them suitable for handling hazardous or aggressive substances. Additionally, the smooth interior surface of steel pipes minimizes friction, allowing for efficient and continuous flow of chemicals. The steel material is also resistant to chemical reactions, ensuring the integrity and purity of the transported substances. Overall, steel pipes play a crucial role in ensuring the safe and efficient transportation of chemicals, protecting both the environment and human health.
- Q:What are the different methods of measuring the thickness of steel pipes?
- There are several methods of measuring the thickness of steel pipes, including ultrasonic testing, magnetic particle testing, eddy current testing, and laser scanning.
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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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