Seamless Hot Rolled Steel Pipe >114.3 MM
- Ref Price:
-
- Loading Port:
- China Main Port
- Payment Terms:
- TT or LC
- Min Order Qty:
- 100 m.t.
- Supply Capability:
- -
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1、Structure of Seamless Pipe :
Seamless pipe is produced by drawing a solid billet over a piercing rod to create the hollow shell. As welding is not included in the manufacturing process , seamless pipes are stronger and more reliable.
2、Main Features of the Seamless Pipe :
• High manufacturing accuracy
• High strength
• Small inertia resistance
• Strong heat dissipation ability
• Good visual effect
• Great price
3、Seamless Pipe 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 |
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 :
①How is the quality of your products?
Guaranteed: If products’ quality don’t accord to discription as we give or the promise before you place order, we promise 100% refund.
②How about price?
We have a policy that “ for saving time and absolutely honest business attitude, we quote as lowest as possible for any customer, and discount can be given according to quantity”.Please trust the quotation we would give you, it is professional one.
③Why should you chose us?
We believe: 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 Images：
- Q: How are steel pipes used in the construction of dams and water reservoirs?
- Steel pipes are used in the construction of dams and water reservoirs primarily for their strength and durability. They are commonly used to transport water within the dam or reservoir, as well as for drainage systems. Steel pipes are also utilized for the construction of intake and outlet structures, penstocks, and other components that require a robust and reliable material to withstand the high pressure and heavy loads associated with dam operation.
- Q: How do steel pipes compare to ductile iron pipes?
- Steel pipes and ductile iron pipes are both commonly used in various applications, but they have some differences in terms of their properties and advantages. 1. Strength and Durability: Steel pipes are typically stronger and more durable than ductile iron pipes. Steel has a higher tensile strength, making it less susceptible to cracking or breaking under pressure or external forces. Ductile iron, on the other hand, has a lower tensile strength but has better impact resistance than steel. 2. Corrosion Resistance: Steel pipes are prone to corrosion, especially when exposed to moisture or chemicals. However, they can be protected by applying coatings or using corrosion-resistant alloys. Ductile iron pipes, while inherently more corrosion-resistant than regular cast iron, may still require external protection to prevent rusting and degradation. 3. Flexibility: Ductile iron pipes have greater flexibility than steel pipes. They can withstand certain degrees of bending and deflection without fracturing, making them suitable for applications where ground movement or shifting might occur. Steel pipes are less flexible and more rigid, making them better suited for straight runs or applications with minimal movement. 4. Cost: Generally, ductile iron pipes are more cost-effective than steel pipes. Ductile iron is easier and cheaper to manufacture, resulting in lower production costs. However, steel pipes may have a longer lifespan, requiring fewer replacements over time, which can offset the initial cost difference. 5. Installation: Steel pipes are lighter and easier to handle during installation compared to ductile iron pipes, which can be heavy and bulky. The lighter weight of steel pipes can reduce labor and transportation costs. Additionally, steel pipes can be welded, allowing for more flexible installation options, while ductile iron pipes are typically joined using mechanical couplings or flanged connections. In summary, steel pipes offer superior strength and durability, while ductile iron pipes provide better flexibility and cost-effectiveness. The choice between the two depends on the specific requirements of the application, including factors such as corrosion resistance, expected loads, installation conditions, and budget constraints.
- Q: How are steel pipes protected against mechanical damage during transportation?
- Various measures are implemented to safeguard steel pipes against mechanical damage during transportation. One commonly used technique involves the application of protective coatings or wrapping materials, typically composed of plastic, rubber, or epoxy. These coatings serve as a physical barrier, shielding the pipes from scratches, dents, and other forms of mechanical harm. Another method involves the utilization of padding or cushioning materials, such as foam inserts or rubber gaskets. These materials are inserted inside or wrapped around the pipes, absorbing any impacts or shocks that may occur during transportation. This effectively prevents potential damage caused by vibrations or bumps. Additionally, steel pipes are frequently secured and immobilized within transportation containers through the use of straps, braces, or other securing devices. These measures ensure that the pipes remain stable and do not collide with one another, thereby minimizing the risk of mechanical harm. Furthermore, proper handling and loading techniques play a crucial role in protecting steel pipes during transportation. This involves the utilization of appropriate lifting equipment, such as cranes or forklifts, to prevent any accidental dropping or mishandling of the pipes. Moreover, pipes are often stored or stacked in a manner that minimizes the possibility of deformation or bending. Ultimately, a combination of protective coatings, cushioning materials, securement devices, and proper handling techniques are employed to ensure the safe transportation of steel pipes and maintain their optimal condition for use in various applications.
- Q: Can steel pipes be used for firefighting systems?
- Yes, steel pipes can be used for firefighting systems. Steel pipes are commonly used for their durability and resistance to high temperatures, making them suitable for transporting water and other fire suppression agents. They are typically used in larger commercial or industrial buildings where the fire protection system requires a higher flow rate and pressure. Steel pipes also have the advantage of being able to withstand external forces and impacts, ensuring the integrity of the firefighting system. Additionally, steel pipes can be easily connected, making them convenient for installation and maintenance purposes. However, it is important to ensure that the steel pipes used for firefighting systems are properly treated to prevent corrosion and rusting, as this can compromise their effectiveness in an emergency situation. Regular inspections and maintenance should be conducted to ensure the reliability and functionality of the steel pipes within the firefighting system.
- Q: How do you calculate the flow velocity in a steel pipe?
- In order to determine the flow velocity in a steel pipe, one must take into account the principles of fluid mechanics and apply relevant equations. The Bernoulli equation is the most commonly used equation for this purpose, as it establishes a relationship between the pressure, velocity, and elevation of a fluid. The first step is to ascertain the volumetric flow rate (Q) of the fluid that passes through the pipe. This can be achieved either by measuring the mass flow rate (m) or by directly measuring the volumetric flow rate using a flow meter. Once the volumetric flow rate is obtained, the flow velocity (V) can be calculated. To calculate the flow velocity (V), divide the volumetric flow rate (Q) by the cross-sectional area (A) of the pipe. The cross-sectional area of the pipe can be determined using the formula A = πr^2, where r represents the radius of the pipe. Hence, the formula to calculate the flow velocity (V) in a steel pipe is: V = Q / A It is important to note that this calculation assumes an ideal flow condition and does not take into account any frictional losses or other factors that could impact the flow. In real-world scenarios, it is crucial to consider additional factors such as pipe roughness, fluid viscosity, and pipe diameter to obtain a more accurate estimation of the flow velocity.
- Q: How can galvanized steel pipe be connected with stainless steel pipe?
- Attention should be paid to the zinc coating at the side of the groove before welding. It is OK to brush silver powder after welding. There is a lot of information about the welding of carbon steel and stainless steel. Just check it online.
- Q: What are the different methods of joining steel pipes together?
- There are several methods of joining steel pipes together, each with its own advantages and disadvantages. 1. Welding: This is the most common and widely used method of joining steel pipes. It involves heating the ends of the pipes and applying pressure to fuse them together. Welding provides a strong and durable joint, but it requires skilled labor and specialized equipment. 2. Threaded connections: Steel pipes can also be joined by threading the ends and using threaded fittings to connect them. This method is relatively easy and quick, but it may not be as strong as welding and can be prone to leakage if not properly sealed. 3. Flanged connections: Flanges are used to connect pipes by bolting them together. This method allows for easy disassembly and reassembly, making it suitable for applications that require frequent maintenance or repair. Flanged connections are also highly resistant to leakage. 4. Compression fittings: Compression fittings are used to join steel pipes by compressing a ring or ferrule onto the pipe, creating a tight seal. This method is simple and does not require heat or welding, making it ideal for applications where heat or sparks are not permissible. 5. Grooved connections: Grooved connections involve cutting grooves into the pipe ends and using mechanical couplings to secure them together. This method is fast, reliable, and allows for easy assembly and disassembly. Grooved connections are commonly used in fire protection systems. 6. Brazing: Similar to welding, brazing involves heating the pipe ends and adding a filler material to join them together. This method is often used for smaller diameter pipes and provides a strong joint. However, it requires the use of a high-temperature torch and skilled labor. Each of these methods has its own advantages and is suitable for different applications. The choice of joining method depends on factors such as the required strength, ease of installation, maintenance requirements, and the type of pipe being used.
- Q: How are steel pipes coated to prevent internal corrosion?
- Steel pipes are coated to prevent internal corrosion through a process called internal coating. This involves applying a layer of protective material, such as epoxy or polyethylene, to the inner surface of the pipe. The coating acts as a barrier, preventing the steel from coming into contact with corrosive substances in the fluid being transported, thus effectively reducing the risk of internal corrosion.
- Q: Can steel pipes be bent or shaped to meet specific requirements?
- Yes, steel pipes can be bent or shaped to meet specific requirements. The process of bending or shaping steel pipes is known as pipe bending. It involves using specialized machinery and techniques to manipulate the pipe into the desired shape. Various methods can be employed, including hot bending, cold bending, and induction bending. The choice of method depends on factors such as the size and thickness of the pipe, the required bend radius, and the specific application. Pipe bending is commonly used in industries such as construction, oil and gas, automotive, and manufacturing to create custom pipe configurations that fit specific requirements and allow for efficient installation and functionality.
- Q: How are steel pipes used in the manufacturing of irrigation systems?
- Steel pipes are commonly used in the manufacturing of irrigation systems as they provide durability, strength, and resistance to corrosion. These pipes are used to connect various components of the irrigation system, such as pumps, filters, valves, and sprinklers. They ensure the efficient flow of water, withstand high pressure, and can be easily customized to fit the specific requirements of the irrigation system.
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Seamless Hot Rolled Steel Pipe >114.3 MM
- Ref Price:
-
- Loading Port:
- China Main Port
- Payment Terms:
- TT or LC
- Min Order Qty:
- 100 m.t.
- Supply Capability:
- -
OKorder Service Pledge
Quality Product, Order Online Tracking, Timely Delivery
OKorder Financial Service
Credit Rating, Credit Services, Credit Purchasing
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