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: Does the seamless steel pipe need rust removal?
- Spray (throw) shoot derusting by the high-power motor to drive the spray shot (impeller) blade rotating speed, the steel grit, steel shot, iron wire, minerals and other abrasive jet for 20# seamless steel tube surface under the action of centrifugal force (left) radiation treatment, not only can completely remove the dirt and rust, oxide, and the role of 20# seamless steel in abrasive blast and friction force, can achieve the required uniform roughness.Not only can the physical adsorption effect on the surface of the pipe be increased, but also the mechanical adhesion of the anticorrosive layer to the pipe surface can be enhanced. Therefore, spraying (throwing) shot derusting is an ideal method of rust prevention for pipeline corrosion protection. Generally speaking, shot peening (sand) derusting is mainly used in the inner surface treatment of tubes, shot blasting (sand) derusting is mainly used for the outer surface treatment of tubes.
- Q: Material of welded steel pipe
- GB/T3091-1993 (galvanized steel pipe for low pressure fluid delivery). Mainly used to transport water, gas, air, oil and heating, hot water or steam, etc. generally lower pressure fluid and other use tube. Its representative material is Q235 grade a steel.
- Q: How do steel pipes perform in extreme temperature variations?
- Steel pipes perform well in extreme temperature variations due to their high thermal conductivity and low thermal expansion coefficient. This allows them to efficiently transfer heat and withstand the expansion and contraction caused by temperature fluctuations without compromising their structural integrity.
- Q: What is the pressure rating of steel pipes?
- The pressure rating of steel pipes varies depending on its size, wall thickness, and the type of steel used. It can range from a few hundred pounds per square inch (psi) for smaller pipes to several thousand psi for larger ones.
- Q: What are the different coating options for steel pipes?
- There are several coating options available for steel pipes, each serving a specific purpose and providing unique benefits. Some of the most common coating options for steel pipes include: 1. Fusion Bonded Epoxy (FBE) Coating: FBE coating is a popular choice for steel pipes used in various industries. It provides excellent corrosion resistance, impact resistance, and adhesion to the pipe surface. FBE coating is typically applied through a heat-induced chemical reaction, creating a durable and protective layer. 2. Polyethylene (PE) Coating: PE coating is commonly used for underground steel pipes, as it provides superior resistance against corrosion, abrasion, and chemicals. This coating is applied using extrusion methods and forms a seamless layer over the steel pipe, preventing any moisture penetration. 3. Polyurethane (PU) Coating: PU coating is known for its exceptional resistance to abrasion, chemicals, and harsh environmental conditions. It is commonly used for steel pipes exposed to extreme temperatures or in aggressive environments. PU coating can be applied in multiple layers to provide enhanced protection. 4. Coal Tar Enamel (CTE) Coating: CTE coating is a traditional option for steel pipes that require protection against corrosion. It is a thick, black coating that provides excellent resistance to water, soil, and atmospheric corrosion. CTE coating is typically applied using a hot-applied coating method. 5. Zinc Coating: Zinc coating, also known as galvanization, is a widely used protective coating for steel pipes. It involves applying a layer of zinc to the pipe surface, creating a barrier against corrosion. Zinc coating can be applied through hot-dip galvanization or electro-galvanization methods. 6. Concrete Coating: Concrete coating is often used for steel pipes in underground or submerged applications. It provides a robust protective layer against corrosion, abrasion, and mechanical damage. Concrete coating is typically applied as a cement mortar or a reinforced concrete layer. These are just some of the coating options available for steel pipes. The choice of coating will depend on factors such as the intended application, environmental conditions, and required durability. It is essential to select the appropriate coating to ensure the longevity and performance of the steel pipes in various industries.
- Q: Are steel pipes more expensive than other types of pipes?
- The cost of steel pipes compared to other types of pipes can vary depending on various factors. Steel pipes are generally considered to be more expensive than some other types of pipes in terms of upfront cost. This is mainly due to the high cost of raw materials and the manufacturing process involved in producing steel pipes. Additionally, steel pipes are known for their durability and strength, making them a popular choice for applications where high pressure or extreme conditions are involved. However, when considering the long-term cost and benefits, steel pipes can often be more cost-effective. They have a longer lifespan compared to some other types of pipes, reducing the need for frequent repairs or replacements. Steel pipes also offer excellent resistance to corrosion, making them suitable for various environments and reducing maintenance costs over time. Moreover, the strength and durability of steel pipes can contribute to a lower risk of leaks or other failures, which can result in significant cost savings in terms of preventing damage or loss. It is important to consider the specific requirements and characteristics of the project or application when comparing the cost of steel pipes to other types of pipes. Factors such as the type of fluid or material being transported, the required pressure rating, the expected lifespan, and the environmental conditions should all be taken into account. Ultimately, while steel pipes may have a higher upfront cost, their long-term durability and reliability can often make them a cost-effective choice in many applications.
- Q: How do you calculate the maximum allowable deflection for steel pipes?
- The maximum allowable deflection for steel pipes can be calculated using various formulas and guidelines set by industry standards. Factors such as the material properties of the steel, pipe diameter, wall thickness, and the applied load are taken into consideration. These calculations typically involve using equations that relate to the pipe's moment of inertia, modulus of elasticity, and the specific loading conditions. It is recommended to consult relevant engineering codes and standards, such as ASME B31.1 or ASME B31.3, to ensure accurate calculations and safe design.
- Q: How do steel pipes handle high-velocity flow?
- Steel pipes are designed to handle high-velocity flow efficiently due to their inherent strength and durability. The smooth interior surface of steel pipes minimizes friction, allowing for smooth flow and reducing energy loss. Additionally, the sturdy construction of steel pipes enables them to withstand the pressures and forces exerted by high-velocity flow without deformation or failure.
- Q: How do steel pipes withstand high pressure and temperature?
- Steel pipes are able to withstand high pressure and temperature due to their inherent properties and construction. Steel is known for its strength and durability, making it an ideal material for pipes used in demanding applications. Firstly, steel pipes are made from high-quality steel alloys that have been specifically designed to withstand extreme conditions. These alloys are chosen for their high tensile strength, which allows the pipes to withstand the internal pressure exerted by fluids or gases flowing through them. The steel used in these pipes is often alloyed with other elements such as chromium, molybdenum, or nickel to enhance its resistance to corrosion and high temperatures. Secondly, the construction of steel pipes plays a crucial role in their ability to withstand high pressure and temperature. Steel pipes are typically manufactured using a seamless or welded process. Seamless pipes are made by piercing a solid steel billet, resulting in a continuous and uniform pipe with no seams or joints. This seamless construction eliminates weak points and ensures that the pipe can handle high pressure without any risk of leakage. Welded pipes, on the other hand, are made by joining two or more pieces of steel together using a welding process. The welds are carefully inspected and tested to ensure their integrity and strength. Although welded pipes may have seams, they are equally capable of withstanding high pressure and temperature when manufactured to the appropriate standards. Additionally, steel pipes can be further reinforced to enhance their resistance to pressure and temperature. For instance, pipes used in extremely high-pressure applications may be thicker or have additional layers of protective coatings. These measures help to increase the strength and durability of the pipes, allowing them to withstand even higher pressures and temperatures. In summary, steel pipes are able to withstand high pressure and temperature due to the strength and durability of the steel alloys used in their construction. The seamless or welded construction of these pipes eliminates weak points and ensures their ability to handle extreme conditions. Additional reinforcement and protective coatings can be applied to further enhance their resistance to pressure and temperature.
- Q: What does carbon seamless steel pipe mean? What is the difference between a seamless 20# and an ordinary one? What is it used in detail?
- In general, steel is divided into two groups according to their chemical composition: carbon steel and alloy steel;(1): carbon steel low carbon steel (C = 0.25%); carbon steel (0.25% < C < 0.60%); high carbon steel (C = 0.60%)(2): alloy steel, low alloy steel (alloy is less than or equal to 5%); in steel (5% < < 10% alloy; high alloy steel (alloy) = 10%)Carbon seamless steel tubes are mostly pipes for mechanical engineering structures and pipes for conveying fluids.
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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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