Seamless Pipe 4 - 12“ API 5L A53 A106 GR.B 20#
- Ref Price:
-
- Loading Port:
- Shanghai
- Payment Terms:
- TT or LC
- Min Order Qty:
- 20 m.t.
- Supply Capability:
- 10000 m.t./month
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1、Structure of Seamless Pipe 4 - 12“ API 5L A53 A106 GR.B 20#
Seamless pipe is formed by drawing a solid billet over a piercing rod to create the hollow shell. As the manufacturing process does not include any welding, seamless pipes are perceived to be stronger and more reliable. Historically seamless pipe was regarded as withstanding pressure better than other types, and was often more easily available than welded pipe.
2、Main Features ofSeamless Pipe 4 - 12“ API 5L A53 A106 GR.B 20#
• Small inertia resistance
• Strong heat dissipation ability
• Good visual effect
• Reasonable price
• High manufacturing accuracy
• High strength
、
3、Seamless Pipe 4 - 12“ API 5L A53 A106 GR.B 20# Specification：
Standard | GB, DIN, ASTM ASTM A106-2006, ASTM A53-2007 |
Grade | 10#-45#, 16Mn 10#, 20#, 45#, 16Mn |
Thickness | 8 - 33 mm |
Section Shape | Round |
Outer Diameter | 133 - 219 mm |
Place of Origin | Shandong, China (Mainland) |
Secondary Or Not | Non-secondary |
Application | Hydraulic Pipe |
Technique | Cold Drawn |
Certification | API |
Surface Treatment | factory state or painted black |
Special Pipe | API Pipe |
Alloy Or Not | Non-alloy |
Length | 5-12M |
Outer Diameter | 21.3-610mm |
Grade | 20#, 45#, Q345, API J55, API K55, API L80, API N80, API P110, A53B |
Standard | ASME, ASTM |
1) Material:20#(ASTM A 106/A53 GRB.API5LGRB,GB),45#,16Mn,10#.
2) Specification range:OD:21.3-610mm,WT:6-70mm,length:6-12m or according to the requirement of clients.
3) Excutive standards:GB,ASME API5L.ASTM A 106/A53,Despite of the above standards,we can also supply seamless steel pipe with standard of DIN,JIS,and so on,and also develop new products according to the requirements of our clients!
4) Surface:black lacquered,varnish coating or galvanized.
5) Ends:Beveled or square cut,plastic capped,painted.
6) Packing:bundles wrapped with strong steel strip,seaworthy packing.
4、Packaging & Delivery
Packaging Details: | seaworthy package,bundles wrapped with strong steel strip |
Delivery Detail: | 15-30days after received 30%TT |
5、FAQ of Seamless Pipe 4 - 12“ API 5L A53 A106 GR.B 20#
①How is the quality of your products?
Our products are manufactured strictly according to national and internaional standard, and we take a test
on every pipe before delivered out. If you want see our quality certifications and all kinds of testing report, please just ask us for it.
Guaranteed: If products’ quality don’t accord to discription as we give or the promise before you place order, we promise 100% refund.
③Why should you chose us?
Chose happens because of quality, then price, We can give you both.Additionally, we can also offer professional products inquiry, products knowledge train(for agents), smooth goods delivery, exellent customer solution proposals.Our service formula: good quality+good price+good service=customer’s trust
SGS test is available, customer inspection before shipping is welcome, third party inspection is no problem.
6、Seamless Pipe 4 - 12“ API 5L A53 A106 GR.B 20# Images：
- Q: Are steel pipes affected by UV rays?
- Yes, steel pipes can be affected by UV rays. Exposure to UV rays can cause the steel to degrade and corrode over time. Therefore, it is important to protect steel pipes from direct sunlight and UV radiation to prolong their lifespan and maintain their structural integrity.
- Q: What is the thermal conductivity of steel pipes?
- The specific type of steel used and its composition can cause variations in the thermal conductivity of steel pipes. On average, the thermal conductivity of steel pipes ranges between 50-60 watts per meter-kelvin (W/mK). This indicates that steel pipes possess a relatively high ability to conduct heat, facilitating efficient thermal energy transfer. Given their high thermal conductivity, steel pipes find suitability in numerous applications such as heating systems, industrial processes, and infrastructure projects where heat transfer plays a crucial role.
- Q: How do you calculate the pipe pressure drop for steel pipes?
- To determine the pressure drop in steel pipes, there are two equations that can be utilized: the Darcy-Weisbach equation and the Hazen-Williams equation. The Darcy-Weisbach equation, although more precise, necessitates a greater amount of information. It takes into consideration the diameter, length, roughness, fluid flow rate, as well as fluid properties like viscosity and density. The equation is expressed as: To calculate the pressure drop (ΔP), the following formula can be used: (f * L * ρ * V^2) / (2 * D) In this formula: - ΔP denotes the pressure drop - f represents the friction factor (which can be determined using Moody's chart or empirical equations such as the Colebrook-White equation) - L signifies the length of the pipe - ρ denotes the fluid density - V represents the fluid velocity - D signifies the pipe diameter On the other hand, the Hazen-Williams equation is a simplified version commonly employed for water flow calculations. Although less accurate, it is more user-friendly. The equation is expressed as: To calculate the pressure drop (ΔP), the following formula can be used: K * Q^1.85 / (C^1.85 * d^4.87) In this formula: - ΔP denotes the pressure drop - K signifies the Hazen-Williams coefficient (which relies on the pipe material and roughness) - Q represents the flow rate - C signifies the Hazen-Williams roughness coefficient - d denotes the pipe diameter It is crucial to note that these equations provide estimations of the pressure drop, and actual conditions may vary due to factors such as fittings, bends, and valves in the pipe system. Furthermore, consistency in unit usage (e.g., SI units or US customary units) is of utmost importance when employing these equations.
- Q: How can two smooth steel pipes be joined? The size of the two pipe is different (except for welding)
- Rectangular fastener: used for the connection of two vertical intersecting steel tubes. It relies on the frictional force between the fastener and the steel tube to carry the load.Swivel fastener: used for connecting two steel tubes intersecting at any angle
- Q: How are steel pipes connected or joined together?
- Steel pipes are commonly connected or joined together through welding, threading, or using pipe fittings such as couplings, flanges, or unions.
- Q: Seamless steel tube with the tube with what is the difference?
- Of course, the market also has some use overall heating after drawing steel pipe joints or mandrel rolling seamless steel pipe, mainly in small size, only in the shape of this kind of pipe belongs to the seamless tube, it is not very good, pay attention to oh!!
- Q: What are the main types of steel pipe ah? How to judge which kind of steel pipe performance is better?
- Sort by connectionThe connection way of steel pipe can be divided into: light pipe (pipe end without thread) and wire tube (Guan Duan with thread).The tube can be divided into ordinary tube and end tube.Thickening of the tube can also be divided into: extra thick (with external thread), internal thickening (with internal thread) and inside and outside thickening (with internal and external thread) and other vehicle wire tube.The wire tube can also be divided into ordinary cylinder or taper thread and special thread.In addition, according to user needs, wire tubes are generally equipped with pipe delivery.Plating characteristicsAccording to the characteristics of surface coated steel pipe can be divided into: Clarinet (not coated) and coating tube.The coating tubes include galvanized pipes, aluminium plated tubes, chrome plated pipes, aluminized tubes and other alloy layers.The coating tube has an outer coating tube, an inner coating tube and an inner and outer coating pipe. The commonly used coatings are plastics, epoxy resins, coal tar, epoxy resins, and various glass based anticorrosive coatings. Galvanized pipe is divided into KBG pipe, JDG pipe, threaded pipe, etc.
- Q: How are steel pipes connected to other materials like concrete or plastic?
- Steel pipes can be connected to other materials like concrete or plastic through various methods such as welding, flanges, threaded connections, or using specialized fittings. These connections ensure a secure and durable bond between the steel pipe and the other material, allowing for effective transfer of fluids or structural support.
- Q: How are steel pipes used in the construction of power transmission lines?
- Due to their exceptional strength, durability, and versatility, steel pipes are commonly utilized in the construction of power transmission lines. Throughout the project, these pipes serve various purposes that contribute to the overall efficiency and reliability of the power transmission system. One primary application of steel pipes in power transmission line construction involves the installation of transmission towers. These pipes function as structural components, providing support for the transmission lines and maintaining their alignment. The high strength of steel ensures that the towers can withstand the weight of the transmission lines, as well as external forces like wind and ice loads. Additionally, steel pipes offer excellent resistance against corrosion, which is vital for ensuring the longevity of the transmission tower structures. Apart from tower construction, steel pipes are also utilized in underground transmission lines. These pipes act as conduits for the cables, safeguarding them from external elements and potential damage. Steel pipes are particularly advantageous in this application due to their ability to resist soil movement, withstand high pressure, and provide a secure pathway for the power cables. Moreover, the durability of steel ensures the integrity and longevity of the underground transmission lines, reducing maintenance needs and enhancing the overall reliability of the power transmission system. Furthermore, steel pipes are employed in the construction of foundations and anchors for transmission towers. These pipes are driven deep into the ground to offer stability and support to the towers. The inherent strength and rigidity of steel pipes make them ideal for this purpose, as they can withstand heavy loads and ensure the stability of the transmission towers even in adverse weather conditions. In conclusion, steel pipes play a critical role in power transmission line construction by providing structural support, protecting cables, and ensuring the overall reliability and efficiency of the transmission system. The exceptional strength, durability, and resistance to corrosion make steel pipes the ideal choice for power transmission line construction projects.
- Q: What are the different methods of wrapping steel pipes for corrosion protection?
- There are several different methods of wrapping steel pipes for corrosion protection. These methods can vary depending on the specific application and environmental conditions. Some of the common methods include: 1. Tape Wrapping: This involves wrapping the steel pipes with a corrosion-resistant tape, such as polyethylene or polypropylene tape. The tape acts as a barrier between the pipe surface and the corrosive elements, preventing direct contact and reducing the risk of corrosion. 2. Inner Wrapping: Inner wrapping involves applying a protective coating or lining to the inside surface of the steel pipe. This method is commonly used for pipes that transport fluids or gases, as it provides an additional layer of protection against corrosion from the inside. 3. External Coating: External coating is a widely used method for corrosion protection. It involves applying a protective coating to the outside surface of the steel pipe. The coating can be a variety of materials, such as epoxy, polyethylene, or polyurethane, which provide a barrier against corrosive elements and extend the lifespan of the pipe. 4. Cathodic Protection: Cathodic protection is an electrochemical method used to protect steel pipes from corrosion. It involves connecting the steel pipe to a sacrificial anode, such as zinc or magnesium, which corrodes instead of the pipe. This process helps to prevent the corrosion of the steel pipe by diverting the corrosive current away from the pipe surface. 5. Heat Shrink Sleeve: Heat shrink sleeves are commonly used for corrosion protection in underground or submerged applications. These sleeves are made of a heat-activated material that shrinks when heated, creating a tight seal around the pipe. The sleeve forms an effective barrier against moisture and corrosive elements, preventing direct contact with the steel pipe. 6. Fusion Bonded Epoxy (FBE) Coating: FBE coating is a thermosetting powder coating that is applied to the surface of the steel pipe and then fused to form a protective layer. This coating provides excellent adhesion and corrosion resistance, making it a popular choice for steel pipes in various applications. It is important to note that the selection of the appropriate method for wrapping steel pipes for corrosion protection depends on factors such as the environment, the type of corrosive elements present, the intended application, and other specific requirements. Professional advice and consultation may be necessary to determine the most suitable method for a particular situation.
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Seamless Pipe 4 - 12“ API 5L A53 A106 GR.B 20#
- Ref Price:
-
- Loading Port:
- Shanghai
- Payment Terms:
- TT or LC
- Min Order Qty:
- 20 m.t.
- Supply Capability:
- 10000 m.t./month
OKorder Service Pledge
OKorder Financial Service
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