• Hollow Section System 1
  • Hollow Section System 2
Hollow Section

Hollow Section

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Loading Port:
China Main Port
Payment Terms:
TT or LC
Min Order Qty:
25 m.t.
Supply Capability:
-

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Product Description:

1Structure of Ss Pipe: 

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. 

 

2‍‍Main Features of the Ss Pipe :

• High manufacturing accuracy

• High strength

• Small inertia resistance

• Strong heat dissipation ability

• Good visual effect

• Reasonable price  

 

3‍‍Ss Pipe  Images ‍‍

Packaging & Delivery

    Packaging Details:

    seaworthy package,bundles wrapped with strong steel strip

    Delivery Detail:

    15-30days after received 30%TT

4Ss Pipe 

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. 

5FAQ of Ss Pipe:  

How 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.

How about price?
    Yes, we are factory and be able to give you lowest price below market one, and 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”,if you like bargain and factory price is not low enough as you think, just don’t waste your time.Please trust the quotation we would give you, it is professional one.

Why 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.

Any question, pls feel free to contact us !

 

Q: How are steel pipes used in the manufacturing of power plants?
Steel pipes are extensively used in the manufacturing of power plants for various applications such as transporting water, steam, and other fluids, as well as for structural purposes. They are commonly used for the construction of boiler tubes, heat exchangers, condensers, and steam distribution systems. Additionally, steel pipes are essential for conveying fuel gases and air in power plants, ensuring efficient operation and safety.
Q: How are steel pipes threaded?
Threading, a process that involves creating screw-like grooves on the outer surface of steel pipes, enables their connection to other pipes or fittings using threaded connections. Steel pipes can be threaded through various methods, including manual threading, electric threading machines, and hydraulic threading machines. Manual threading employs a handheld pipe threading tool called a die. The die is positioned on the outside of the pipe, and while pressure is applied, the pipe is rotated to generate the threads. This technique is suitable for smaller diameter pipes and is commonly used for on-site repairs or in smaller operations. For larger diameter pipes, electric threading machines are commonly used. These machines consist of a motor-driven spindle that rotates the pipe and a die head that houses the threading dies. The operator simply feeds the pipe into the machine, and the threading dies automatically cut the threads onto the pipe. Hydraulic threading machines, similar to electric threading machines, utilize hydraulic power to rotate the pipe and create the threads. These machines are typically employed for larger diameter pipes or heavy-duty applications. Irrespective of the method employed, it is crucial to properly prepare the pipe before threading. This may involve cleaning the pipe, eliminating any burrs or sharp edges, and applying a lubricant to minimize friction during the threading process. In conclusion, threading is a widely used and efficient technique for establishing threaded connections on steel pipes. It facilitates easy assembly and disassembly of pipes and fittings, making it a popular choice in industries such as plumbing, construction, and oil and gas.
Q: What are the different types of joints used with steel pipes?
There are several types of joints commonly used with steel pipes, depending on the specific application and requirements. Some of the most common types include: 1. Butt Joint: This is the most basic type of joint, where two pipes are aligned and welded together at their ends. It provides a strong and continuous connection but may require additional reinforcement depending on the pipe's size and pressure rating. 2. Socket Weld Joint: In this type of joint, one pipe is inserted into the socket of another pipe and then welded together. It is commonly used in smaller diameter pipes and provides good strength and leak resistance. 3. Threaded Joint: This joint involves screwing together two pipes with threaded ends. It is commonly used in low-pressure applications and requires the use of pipe threads and sealants to ensure a tight and leak-free connection. 4. Flanged Joint: With a flanged joint, two pipes are connected by bolting together flanges at their ends. This type of joint is commonly used in high-pressure applications and allows for easy disconnection and maintenance. 5. Grooved Joint: This joint uses a grooved coupling that is placed around the ends of two pipes and secured with bolts. It is commonly used in fire protection systems and offers quick installation and easy maintenance. 6. Welded Joint: In a welded joint, two pipes are fused together using various welding techniques such as gas tungsten arc welding (GTAW) or gas metal arc welding (GMAW). This joint provides a strong and permanent connection but may require skilled labor and additional equipment. Each type of joint has its advantages and limitations, and the selection depends on factors such as pipe size, pressure rating, application, and installation requirements. It is essential to choose the appropriate joint to ensure the integrity and reliability of the steel pipe system.
Q: What is the difference between ERW (Electric Resistance Welded) and LSAW (Longitudinal Submerged Arc Welded) steel pipes?
ERW steel pipes are manufactured by high-frequency electrical currents passing through the metal, resulting in a welded joint. On the other hand, LSAW steel pipes are produced by submerging a metal plate into a welding zone, creating a welded joint through the use of a welding arc. The main difference lies in the welding process, with ERW pipes being more suitable for small to medium-sized diameters, while LSAW pipes are commonly used for larger diameter and thicker-walled applications.
Q: Can steel pipes be used for underground sprinkler systems?
Yes, steel pipes can be used for underground sprinkler systems. However, it is important to note that steel pipes are not as commonly used as other materials like PVC or polyethylene due to their susceptibility to corrosion. If steel pipes are chosen for this application, they should be coated or lined to protect them from underground moisture and ensure their longevity.
Q: Can steel pipes be used for hydropower generation?
Yes, steel pipes can be used for hydropower generation. Steel pipes are often used in the construction of hydroelectric power plants to transport water from a higher elevation to lower areas, where the water's kinetic energy is converted into mechanical energy to generate electricity. The durability and strength of steel pipes make them suitable for this purpose, as they can withstand the high pressure and flow rates of water in hydropower systems.
Q: What are the different methods of pipe support for steel pipes?
There are several methods of pipe support for steel pipes, including clamps, hangers, brackets, and guides. Clamps are used to secure pipes to a structure, while hangers suspend the pipes from overhead supports. Brackets provide lateral support and stability, and guides are used to control pipe movement and prevent excessive sagging. These various methods ensure the proper installation and stability of steel pipes in different applications.
Q: Can steel pipes be used for underground water supply networks?
Yes, steel pipes can be used for underground water supply networks. Steel pipes are durable, resistant to corrosion, and have high strength, making them suitable for carrying water underground. Additionally, steel pipes can withstand high pressure and temperature variations, ensuring a reliable and long-lasting water supply system.
Q: What are the different methods of insulating steel pipes?
There are several different methods of insulating steel pipes, depending on the specific needs and requirements of the application. Some of the common methods include: 1. Insulation wraps: This method involves wrapping the steel pipes with insulating materials such as fiberglass, mineral wool, or foam insulation. The insulation is then secured with adhesive or tape to ensure a tight and secure fit. Insulation wraps are cost-effective and relatively easy to install, making them a popular choice for many applications. 2. Insulation coatings: This method involves applying a layer of insulating material directly onto the surface of the steel pipe. The coating can be made from materials such as epoxy, polyurethane, or polyethylene. Insulation coatings are ideal for situations where the pipes are exposed to harsh environments, as they provide a protective barrier against corrosion and temperature fluctuations. 3. Insulation jackets: This method involves using pre-fabricated insulation jackets that are designed to fit over the steel pipes. These jackets are typically made from a combination of insulation materials and a weatherproof outer layer. Insulation jackets are commonly used for outdoor or exposed pipelines, as they provide excellent insulation and protection against external elements. 4. Insulation foam: This method involves injecting foam insulation into the cavity between the steel pipe and an outer casing. The foam expands and hardens, creating a sealed and insulated layer around the pipe. Foam insulation is highly effective in preventing heat loss or gain, and it also provides excellent soundproofing properties. 5. Insulation tapes: This method involves using specialized insulation tapes that are wrapped around the steel pipes. These tapes are typically made from materials such as PVC or rubber, which have good insulating properties. Insulation tapes are often used for smaller pipes or joints, as they provide a flexible and easy-to-apply solution. It is important to consider factors such as the operating temperature, environmental conditions, and specific requirements of the application when choosing the appropriate method of insulating steel pipes. Consulting with a professional or insulation specialist can help in determining the most suitable insulation method for your specific needs.
Q: How are steel pipes protected against internal scaling?
Steel pipes are protected against internal scaling through various methods such as chemical treatments, use of corrosion inhibitors, and regular maintenance and cleaning procedures. These measures help to prevent the formation of scale, which can reduce the pipe's efficiency and lifespan.

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