• Round Welded Steel Pipes Factories API 5L GR.B Carbon Steel Seamless Steel Pipe System 1
  • Round Welded Steel Pipes Factories API 5L GR.B Carbon Steel Seamless Steel Pipe System 2
Round Welded Steel Pipes Factories API 5L GR.B Carbon Steel Seamless Steel Pipe

Round Welded Steel Pipes Factories API 5L GR.B Carbon Steel Seamless Steel Pipe

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Loading Port:
Tianjin
Payment Terms:
TT or LC
Min Order Qty:
25 m.t.
Supply Capability:
10000 m.t./month

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1、Structure of API 5L GR.B Carbon Steel Seamless Steel 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.

 

2、‍‍Main Features of the API 5L GR.B Carbon Steel Seamless Steel Pipe:

• High manufacturing accuracy

• High strength

• Small inertia resistance

• Strong heat dissipation ability

• Good visual effect

• Reasonable price 

 

3、API 5L GR.B Carbon Steel Seamless Steel 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

 

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 API 5L GR.B Carbon Steel Seamless Steel Pipe:  

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、API 5L GR.B Carbon Steel Seamless Steel Pipe Images: ‍‍

 

 

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 in underground fuel storage systems due to their strength, durability, and resistance to corrosion. They provide a reliable and long-lasting solution for storing fuel underground, ensuring that it remains secure and protected. Steel pipes are also able to withstand the pressure and weight of the fuel, making them a suitable choice for underground storage. Additionally, steel pipes can be easily welded and interconnected, allowing for flexibility in designing and constructing underground fuel storage systems. However, it is important to ensure that the steel pipes used for underground fuel storage systems are properly coated or lined to prevent corrosion and protect the fuel from contamination. Regular inspections and maintenance are also necessary to identify and address any potential issues that may arise.
Q:What is the difference between steel pipes and copper-nickel pipes?
Steel pipes and copper-nickel pipes differ in terms of their composition and properties. While steel pipes are primarily made of steel, copper-nickel pipes are composed of a mixture of copper and nickel. This difference in composition leads to variations in their strength, corrosion resistance, and thermal conductivity. Steel pipes are generally stronger and more durable, making them suitable for high-pressure and heavy-duty applications. On the other hand, copper-nickel pipes have excellent corrosion resistance, particularly in marine environments, and exhibit good thermal conductivity, making them ideal for heat transfer applications. Ultimately, the choice between steel pipes and copper-nickel pipes depends on the specific requirements and conditions of the intended use.
Q:What are the different types of fittings used with steel pipes?
There are several different types of fittings that are commonly used with steel pipes. These fittings are designed to connect, control, or change the direction of flow in a piping system. Some of the different types of fittings used with steel pipes include: 1. Elbow fittings: These fittings are used to change the direction of flow in a piping system. They come in various angles, such as 45 degrees or 90 degrees, and are commonly used to navigate around obstacles or create bends in the pipe. 2. Tee fittings: Tee fittings are used to create a branch or split in a piping system. They have three openings, with one being perpendicular to the other two. This allows for the connection of two pipes at a 90-degree angle. 3. Coupling fittings: Couplings are used to connect two pipes of the same size together. They are usually threaded and can be easily tightened or removed using a wrench. Couplings are commonly used in applications where pipes need to be joined or repaired. 4. Reducer fittings: Reducers are used to connect pipes of different sizes together. They have one end that is larger in diameter and another end that is smaller. Reducers are often used to transition between pipe sizes or to adapt to different equipment or fittings. 5. Flange fittings: Flanges are used to connect pipes, valves, or other equipment to create a secure and leak-proof connection. They consist of a flat, circular plate with holes for bolts or screws to fasten the flange to the pipe. Flange fittings are commonly used in applications where frequent disassembly and reassembly is required. 6. Union fittings: Union fittings are used to join two pipes together in a manner that allows for easy disconnection. They consist of three parts: a nut, a female end, and a male end. Union fittings are often used in applications where periodic maintenance or repairs are necessary. 7. Cap fittings: Cap fittings are used to seal the end of a pipe. They are typically threaded and can be easily screwed onto the end of the pipe. Cap fittings are commonly used in applications where pipes need to be temporarily closed off or protected. These are just a few examples of the different types of fittings used with steel pipes. The specific type of fitting required will depend on the application, the size and material of the pipe, and the desired functionality of the piping system.
Q:What are the different methods of protecting steel pipes from corrosion?
There are several methods of protecting steel pipes from corrosion, including coating the pipes with materials such as epoxy, polyethylene, or zinc; applying cathodic protection by using sacrificial anodes or impressed current; and employing corrosion inhibitors to prevent the formation of rust. Regular maintenance and inspections are also crucial in identifying and addressing any potential corrosion issues.
Q:How are steel pipes used in the manufacturing of oil refineries?
Steel pipes are used extensively in oil refineries for various purposes. They are primarily used for transporting crude oil, refined petroleum products, and various chemicals within the refineries. These pipes are also crucial for the distribution of water, steam, and other fluids required for the refining processes. Additionally, steel pipes are used in the construction of various equipment and structures in oil refineries, including storage tanks, heat exchangers, and process units. Overall, steel pipes play a vital role in ensuring the safe and efficient operation of oil refineries.
Q:What is the difference between seamless steel pipes and seamless stainless steel pipes?
The main difference between seamless steel pipes and seamless stainless steel pipes lies in their composition. Seamless steel pipes are typically made from carbon steel, which is an alloy of iron and carbon. On the other hand, seamless stainless steel pipes are made from an alloy of iron, carbon, and chromium, which gives them enhanced corrosion resistance and durability. This makes seamless stainless steel pipes suitable for applications where resistance to corrosion is essential, such as in the food industry or in environments with high humidity or exposure to chemicals.
Q:Are steel pipes suitable for transporting fluids?
Yes, steel pipes are suitable for transporting fluids. They have high strength and durability, can withstand high pressure and temperature, and are resistant to corrosion, making them ideal for various fluid transportation applications such as oil, gas, water, and sewage.
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:Why should the weak electricity be pre buried with galvanized steel pipe?
Galvanized steel pipe mainly because of anti-interference and electrical connectivity, to prevent other strong magnetic strong signal interference weak signal, while in the electrical connection, galvanized steel pipe can be directly connected to the bridge.
Q:What are the different methods of repairing damaged steel pipes?
There are several methods of repairing damaged steel pipes, including welding, epoxy lining, pipe bursting, and pipe relining. Welding involves joining the damaged sections of the pipe together using heat, while epoxy lining involves applying a protective coating to the inner surface of the pipe. Pipe bursting involves replacing the damaged pipe with a new one by pulling it through the existing pipe, and pipe relining involves inserting a new liner into the damaged pipe to create a new, seamless pipe within the existing one. The choice of method depends on factors such as the extent of damage, accessibility, and cost-effectiveness.

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