• Carbon steel seamless steel pipes in complete varieties System 1
  • Carbon steel seamless steel pipes in complete varieties System 2
  • Carbon steel seamless steel pipes in complete varieties System 3
Carbon steel seamless steel pipes in complete varieties

Carbon steel seamless steel pipes in complete varieties

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Loading Port:
Tianjin
Payment Terms:
TT or LC
Min Order Qty:
25 m.t.
Supply Capability:
6000 m.t./month

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1、Structure of  Carbon steel seamless steel pipes: 

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 of  Carbon steel seamless steel pipes:

• High manufacturing accuracy

• High strength

• Small inertia resistance

• Strong heat dissipation ability

• Good visual effect

• Reasonable price 

 

3、Carbon steel seamless steel pipes 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  carbon steel seamless steel pipes:  

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.

②How 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.

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、Carbon steel seamless steel pipes Images:

Q:How are steel pipes measured and labeled?
Steel pipes are typically measured and labeled based on their nominal pipe size (NPS), which refers to the inner diameter of the pipe. This measurement is expressed in inches or millimeters. Additionally, steel pipes are often labeled with their schedule or wall thickness, which is represented by a numerical value. The labeling also includes the pipe material, such as carbon steel or stainless steel, and may include other specifications and markings as required by industry standards and regulations.
Q:What are the different standards for steel pipes?
There are several different standards for steel pipes, including ASTM (American Society for Testing and Materials), API (American Petroleum Institute), and ASME (American Society of Mechanical Engineers). These standards specify the requirements for various aspects of steel pipes, such as their dimensions, chemical composition, mechanical properties, and testing procedures. These standards ensure that steel pipes meet the necessary quality and safety standards for their intended applications.
Q:How are steel pipes coated for protection?
Steel pipes are commonly coated for protection through a process called galvanization. This involves immersing the pipes in a bath of molten zinc, creating a protective layer that prevents corrosion and extends their lifespan. Additionally, other methods such as epoxy coatings or polyethylene wrappings can be used to provide additional protection against external factors.
Q:How are steel pipes used in the agricultural irrigation systems?
Due to their strength and durability, steel pipes are widely used in agricultural irrigation systems. These pipes effectively transport water from a well or reservoir to the fields where crops are cultivated. One major advantage of using steel pipes in such systems is their ability to withstand high pressure and heavy loads, making them suitable for the transportation of large volumes of water over long distances without the risk of bursting or breaking. Additionally, steel pipes exhibit a high resistance to corrosion, which is crucial in agricultural settings where they may come into contact with fertilizers or other chemicals. Aside from their durability, steel pipes offer a smooth interior surface that minimizes friction and ensures a consistent water flow. This is essential in irrigation systems as it guarantees even water distribution across the fields, promoting optimal crop growth. Moreover, steel pipes can be easily connected and configured to meet the specific layout and requirements of the irrigation system. In summary, steel pipes play a crucial role in agricultural irrigation systems by facilitating the efficient and reliable transportation of water to crops. Their strength, durability, resistance to corrosion, and smooth interior surface make them an ideal choice for these applications.
Q:How are steel pipes used in the renewable energy industry?
Steel pipes are used in the renewable energy industry for various purposes such as transporting fluids, gases, and steam in thermal power plants, geothermal installations, and solar thermal systems. They are also utilized in the construction of wind turbine towers and the transmission of electricity from renewable energy sources.
Q:How do you prevent leaks in steel pipes?
One effective way to prevent leaks in steel pipes is by implementing a regular maintenance and inspection schedule. This includes checking for any signs of corrosion, damage, or wear and tear on the pipes. Additionally, using high-quality coatings or protective materials on the pipes can help minimize the risk of leaks by providing an extra layer of protection against external factors. Proper installation techniques and ensuring a secure connection between pipe joints are also crucial in preventing leaks.
Q:How are steel pipes used in the manufacturing of railways?
Steel pipes are commonly used in the manufacturing of railways for various purposes. They are used for the construction of railway tracks, providing a strong and durable foundation. Steel pipes are also used in the manufacturing of railway bridges and tunnels, ensuring structural integrity and support. Additionally, steel pipes are utilized for the transportation of fluids and gases within the railway system, such as fuel or water.
Q:How are steel pipes classified based on their end connections?
Steel pipes can be classified based on their end connections into three main categories: threaded, socket-weld, and butt-weld.
Q:What are the different types of steel pipe valves?
There are several types of steel pipe valves, including gate valves, globe valves, ball valves, check valves, and butterfly valves. Each type of valve serves a specific purpose and has its own unique features and applications in various industries.
Q:How do steel pipes perform in seismic zones?
Steel pipes perform well in seismic zones due to their high strength and ductility. They have the ability to absorb and distribute seismic energy, which helps in reducing the impact of earthquakes. Additionally, steel pipes are resistant to damage and deformation during seismic events, making them a reliable choice for infrastructure in earthquake-prone areas.

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