• Seamless Steel Pipe from China Mainland System 1
  • Seamless Steel Pipe from China Mainland System 2
Seamless Steel Pipe from China Mainland

Seamless Steel Pipe from China Mainland

Ref Price:
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Loading Port:
Qingdao
Payment Terms:
TT OR LC
Min Order Qty:
2000 PCS
Supply Capability:
38000 PCS/month

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 Seamless Steel Pipe from China Mainland Details

Thickness:

4 - 100 mm

Section Shape:

Round

Outer Diameter:

20 - 500 mm

Place of Origin:

China (Mainland)

Secondary Or Not:

Non-secondary

Application:

Structure Pipe

Technique:

Hot Rolled

Certification:

Other

Surface Treatment:

Other

Alloy Or Not:

Is Alloy

Grade:

10#,20#,45#,

16Mn,10#-45#

Standard:

BS 1387,BS 6323,GB 3087


Packaging & Delivery

Packaging Detail:wrapped in bundles with steel strips
Delivery Detail:within 35 days

 Seamless Steel Pipe from China Mainland  Specifications

Standard

API 5CT, 5L; ASTM, BS, JIS, DIN

Steel Grade

API 5L Grade B/ASTM A106B, BS 1387

O.D.

27MM-508MM

W.T.

4MM-100MM

Length

5m--12m

End protection

plastic caps

Outside Coating

black painting, anti-corrosion oil, galvanized or as per required by customer

Production Capacity

Three mills with full production capacity, 400,000tons per year

Delivery time

20 days

Qualification

independent import and export qualifications

Main market

Asia, India, Middle East, America, Europe


 Seamless Steel Pipe from China Mainland  Pictures





Q: How are steel pipes threaded for easy installation?
The process of threading steel pipes enables convenient installation by creating grooves or ridges in the pipe, forming a spiral pattern that facilitates connection with other threaded components like fittings or valves. There are two commonly employed methods for threading steel pipes: manual threading and machine threading. Manual threading involves the utilization of a handheld tool called a pipe die. This die, equipped with sharp teeth, cuts into the pipe while it is rotated. The pipe is secured in a vise or held firmly by hand, and the die is applied to the pipe's end. As the die rotates around the pipe, threaded grooves are formed. Executing this process necessitates skill and precision to ensure accurate and properly aligned threads. In contrast, machine threading is a more automated procedure. It utilizes a pipe threading machine, which possesses a die head that automatically cuts the threads into the pipe. The machine holds the pipe securely and rotates it while the die head moves along the pipe's length, creating the threads. Machine threading is faster and more efficient than manual threading, making it ideal for large-scale production or projects. Regardless of the chosen method, it is imperative to ensure that the threads are clean and devoid of debris or burrs. This is crucial for effortless installation and to prevent leaks or other complications. Following threading, the pipes are generally inspected to ensure compliance with the required specifications. Threading steel pipes allows for uncomplicated installation as the threaded ends can be readily screwed into fittings, valves, or other pipes possessing compatible threads. This threaded connection creates a tight seal, rendering it suitable for various applications such as plumbing, gas lines, or industrial piping systems.
Q: What are the different sizes of steel pipe nipples?
The sizes of steel pipe nipples vary depending on their intended use and application. Common sizes include 1/8", 1/4", 3/8", 1/2", 3/4", 1", 1 1/4", 1 1/2", and 2". However, there are many other sizes available to cater to specific needs and requirements.
Q: How are steel pipes protected against rusting?
Steel pipes are protected against rusting through various methods such as galvanization, applying protective coatings, or utilizing corrosion-resistant alloys.
Q: Can steel pipes be used for geothermal energy systems?
Yes, steel pipes can be used for geothermal energy systems. Steel pipes are commonly used in geothermal installations due to their durability, strength, and resistance to corrosion. They can efficiently transport geothermal fluids, such as hot water or steam, from the geothermal source to the surface for energy extraction or for heating and cooling applications.
Q: Are steel pipes suitable for use in chemical plants?
Yes, steel pipes are suitable for use in chemical plants. Steel pipes offer excellent resistance to corrosion, high durability, and can withstand high temperatures and pressures commonly found in chemical processing. Additionally, steel pipes can be easily welded, making them versatile for various chemical applications.
Q: Can steel pipes be used for conveying slurries or abrasive materials?
Yes, steel pipes can be used for conveying slurries or abrasive materials. Steel pipes are known for their durability and resistance to wear and tear, making them suitable for handling abrasive substances. Additionally, their smooth interior surface reduces friction, preventing clogging and ensuring efficient flow of slurries or abrasive materials.
Q: How can steel pipes be protected from corrosion?
Steel pipes can be protected from corrosion through various methods such as applying protective coatings, using cathodic protection techniques, implementing proper maintenance and inspection procedures, controlling water chemistry, and utilizing corrosion inhibitors.
Q: Can steel pipes be used for conveying hazardous materials?
Yes, steel pipes can be used for conveying hazardous materials. Steel pipes are known for their durability, strength, and resistance to corrosion, making them suitable for transporting various hazardous substances such as chemicals, gases, and liquids. Additionally, steel pipes can withstand high pressures and temperatures, ensuring the safe and efficient transportation of hazardous materials. However, it is important to ensure proper handling, maintenance, and adherence to safety regulations when using steel pipes for conveying hazardous materials.
Q: Do steel pipes require maintenance?
Yes, steel pipes do require maintenance. Regular maintenance is necessary to ensure their proper functioning and longevity. This may involve cleaning, inspecting for any signs of corrosion or damage, and applying protective coatings to prevent rusting. Additionally, periodic maintenance checks and repairs may be needed to address any leaks or structural issues that may arise over time.
Q: How are steel pipes used in transportation?
Steel pipes are commonly used in transportation for various purposes. They are used in the construction of pipelines for transporting fluids, such as oil, gas, and water, over long distances. Steel pipes are also utilized in the manufacturing of vehicle components, including exhaust systems, chassis, and suspension parts. Additionally, steel pipes can be found in infrastructure projects like bridges and tunnels, providing structural support for transportation networks.

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