• Black Carbon Seamless Steel Pipe of API 5L System 1
  • Black Carbon Seamless Steel Pipe of API 5L System 2
Black Carbon Seamless Steel Pipe of API 5L

Black Carbon Seamless Steel Pipe of API 5L

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Loading Port:
China Main Port
Payment Terms:
TT or LC
Min Order Qty:
25 m.t.
Supply Capability:
1000 m.t./month

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Product Description:

 

1、Structure of Black Carbon Seamless Steel Pipe of API 5L Description: 

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 Black Carbon Seamless Steel Pipe of API 5L:

• High manufacturing accuracy

• High strength

• Small inertia resistance

• Strong heat dissipation ability

• Good visual effect

• Reasonable price 

 

3、Black Carbon Seamless Steel Pipe of API 5L Images: 

 

4、Black Carbon Seamless Steel Pipe of API 5L Specification:

1. Commodity Name: Seamless steel pipe

2. Standard: API,GB,ASTM,ASME,DIN

3. Quality grade: 10#, 20#, A106B, A53B, API 5L B, Q235, Q345, ST37-2, ST 45, ST52.etc.

4. Dimension:

OD: 1/2"-24"

WT: 2.5-80mm, SCH10~SCH40~XXL

length: 5.8m,6m,8m,9m,12m

5. Technique: Hot Rolled/Cold Rolled/ Cold Drawn

6. application

carbon seamless steel pipes are widely used in gas, water and oil, transpotation;constructions;Bridge,highway,windows of model steel door; building materials;fences;heating facilities Fluid Pipe;conduit pipe,scaffolding pipe.etc.

7. Payment Terms: L/C D/A D/P T/T

 

5、FAQ of Black Carbon Seamless Steel Pipe of API 5L:  

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.

 

Any question, pls feel free to contact us !

 

 

Q: How do steel pipes perform in corrosive environments?
Steel pipes perform well in corrosive environments due to their high resistance to corrosion. They are commonly used in industries such as oil and gas, chemical processing, and wastewater treatment where exposure to corrosive substances is prevalent. The protective oxide layer on the surface of steel pipes prevents the material from getting corroded, ensuring long-term durability and reliability. Additionally, steel pipes can be further protected by coatings or linings to enhance their resistance to corrosion in highly aggressive environments.
Q: What is the difference between internal coating and external lining of steel pipes?
Internal coating and external lining are two different methods used to protect steel pipes from corrosion and other forms of damage. Internal coating refers to the process of applying a protective layer or coating to the inner surface of the steel pipe. This is done to prevent the pipe from corroding or being damaged by the fluid or substance being transported through it. The coating is typically made of materials such as epoxy, polyurethane, or polyethylene, which provide a barrier between the pipe and the transported material. Internal coating helps to extend the lifespan of the pipe and maintain the quality of the transported material. On the other hand, external lining refers to the process of applying a protective layer or lining to the outer surface of the steel pipe. This is done to protect the pipe from external factors such as soil, moisture, chemicals, or physical damage. The external lining is usually made of materials such as polyethylene, polypropylene, or fusion-bonded epoxy. The lining acts as a barrier, preventing corrosive substances from coming into contact with the pipe and causing damage. It also helps to maintain the structural integrity of the pipe and prevent any leaks or cracks from forming. In summary, the main difference between internal coating and external lining of steel pipes is the location of the protective layer. Internal coating is applied to the inner surface of the pipe, while external lining is applied to the outer surface. Both methods aim to protect the pipe from corrosion and damage, but they focus on different aspects of pipe protection.
Q: 25 of the steel pipe with 6 in charge of what is the difference?
25 of the steel pipe with 6 in charge of the difference:25 of the steel pipe refers to the DN25 tube, the outer diameter of 25mm; 6, in charge of refers to DN20 steel pipe, the outer diameter is 20mm.
Q: What are the different methods of insulation for steel pipes?
There are several methods of insulation for steel pipes, including thermal insulation, such as fiberglass or mineral wool wraps, foam insulation, such as polyurethane or polyethylene foam, and reflective insulation, like foil-faced insulation. Each method has its own advantages and is chosen based on factors such as the intended use, temperature range, and desired level of insulation.
Q: Can steel pipes be used in high-pressure applications?
Yes, steel pipes can be used in high-pressure applications. Steel pipes are known for their strength and durability, making them suitable for handling high pressures in various industries such as oil and gas, water distribution, and chemical processing.
Q: How do you calculate the maximum allowable deflection for steel pipes?
When calculating the maximum allowable deflection for steel pipes, various factors must be taken into account. These factors include the pipe diameter, material properties, support conditions, and desired level of deflection. The maximum allowable deflection is typically determined according to industry standards and codes. One popular method for calculating the maximum allowable deflection is based on the pipe's span-to-diameter ratio, also known as the L/D ratio. The L/D ratio is calculated by dividing the pipe's span (the distance between supports) by its diameter. Numerous industry codes provide guidelines for the maximum allowable deflection based on the L/D ratio. For instance, the American Society of Mechanical Engineers (ASME) B31.1 Power Piping Code suggests that for carbon steel pipes, the maximum allowable deflection should not exceed 3% of the pipe's span when the L/D ratio is 100 or less. However, as the L/D ratio increases, the deflection limit decreases to ensure the pipe's stability and structural integrity. To calculate the maximum allowable deflection using the L/D ratio method, you first need to determine the L/D ratio based on the pipe's span and diameter. Then, you can refer to the applicable code or standard to find the corresponding maximum allowable deflection limit. It's important to note that other factors, such as the pipe material's yield strength, wall thickness, and the type of loading (e.g., dead load, live load), also influence the maximum allowable deflection. Therefore, it is crucial to consult the relevant industry standards, codes, and engineering principles to accurately calculate the maximum allowable deflection for steel pipes.
Q: Can steel pipes be used for underground fuel storage systems?
Yes, steel pipes can be used for underground fuel storage systems. Steel pipes are commonly used for underground fuel storage due to their durability, strength, and resistance to corrosion. Additionally, steel pipes can be easily welded and sealed, ensuring a secure storage system for fuels.
Q: How are steel pipes used in the telecommunications infrastructure industry?
Steel pipes are commonly used in the telecommunications infrastructure industry as conduits for fiber optic cables. These pipes provide protection and support for the cables, ensuring efficient and reliable communication networks.
Q: How do you measure the diameter of a steel pipe?
To determine the diameter of a steel pipe, various methods can be employed based on the tools accessible and the required accuracy. Here are several commonly used techniques: 1. Utilizing calipers: The most precise approach involves employing a set of calipers. Expand the calipers to their maximum width and then gradually close them around the pipe until they fit snugly. The diameter of the pipe will be indicated by the measurement displayed on the calipers. 2. Tape measure or ruler: In the absence of calipers, a tape measure or ruler can be employed. Wrap the tape measure or ruler around the pipe's circumference, ensuring a snug fit without excessive tightness. Divide the measurement by pi (3.14) to obtain the diameter. Although this method may not offer the same accuracy as calipers, it can provide a rough estimate. 3. String or flexible tape: Another option is to employ a piece of string or flexible tape. Wrap it around the pipe's circumference and mark the point of overlap. Utilize a ruler or tape measure to determine the length of the marked section. Divide this measurement by pi (3.14) to ascertain the diameter. 4. Implementing a pipe gauge: A specialized tool known as a pipe gauge can be utilized for measuring pipe diameter. It comprises a series of circular holes accompanied by corresponding diameter labels. Simply insert the pipe into the hole that best matches its size, and the label will indicate the diameter. Bear in mind that it is crucial to measure the diameter at multiple points along the pipe to account for any irregularities or inconsistencies. For accurate measurements, it is advisable to take multiple readings and calculate the average diameter.
Q: How are steel pipes used in construction?
Steel pipes are commonly used in construction for various purposes such as structural support, plumbing, and transportation of fluids and gases. They are used in building frameworks, bridges, and underground infrastructure, providing strength, durability, and flexibility. Steel pipes are often employed in plumbing systems for water supply and drainage. Additionally, they serve as conduits for conveying gas, oil, and other substances. Their versatility and strength make steel pipes an essential component in modern construction projects.

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