• Seamless Steel Pipe  API 5L GRADE B System 1
  • Seamless Steel Pipe  API 5L GRADE B System 2
  • Seamless Steel Pipe  API 5L GRADE B System 3
Seamless Steel Pipe  API 5L GRADE B

Seamless Steel Pipe API 5L GRADE B

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Loading Port:
China Main Port
Payment Terms:
TT or LC
Min Order Qty:
25 m.t.
Supply Capability:
60000 m.t./month

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1Structure of Seamless Steel Pipe  API 5L GRADE B: 

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 Seamless Steel Pipe  API 5L GRADE B:

• High manufacturing accuracy

• High strength

• Small inertia resistance

• Strong heat dissipation ability

• Good visual effect

• Reasonable price 

 

3Seamless Steel Pipe  API 5L GRADE B 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. 

 

 

4Packaging & Delivery

Packaging Details:

seaworthy package,bundles wrapped with strong steel strip

Delivery Detail:

15-30days after received 30%TT

 

5FAQ of Seamless Steel Pipe  API 5L GRADE B:  

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.

 

6‍‍Seamless Pipe ASTM A106/53 Images ‍‍

Seamless Steel Pipe  API 5L GRADE B

Q: What are the standard dimensions for steel pipes?
The standard dimensions for steel pipes vary depending on the application and industry. However, common sizes range from ½ inch to 48 inches in diameter and have various wall thicknesses based on the required strength and pressure rating.
Q: How are steel pipes used in the infrastructure development?
Steel pipes are widely used in infrastructure development for various purposes. They are commonly used for transporting water, oil, and gas, as well as for drainage systems and sewage networks. Steel pipes are also used in the construction of bridges, buildings, and highways, providing structural support and stability. Additionally, steel pipes are utilized in underground utilities, such as telecommunications and electrical systems. Their durability, strength, and resistance to corrosion make steel pipes a crucial component in infrastructure development.
Q: What is the difference between API 5L and ASTM A53 steel pipes?
API 5L and ASTM A53 steel pipes differ mainly in their specifications and intended applications. API 5L is a standard for seamless and welded steel pipes used for transportation of oil, gas, and water in the petroleum and natural gas industries. It specifies requirements for the manufacture of two product specification levels (PSL1 and PSL2) of seamless and welded steel pipes. On the other hand, ASTM A53 is a standard specification for seamless and welded black and hot-dipped galvanized steel pipes used for mechanical and pressure applications. While both standards have similarities, they have different scopes and requirements, making them suitable for distinct purposes in different industries.
Q: How do you determine the required wall thickness for steel pipes?
The required wall thickness for steel pipes is determined through various factors and calculations. One of the primary considerations is the pressure that the pipe will be subjected to. The higher the pressure, the thicker the wall needs to be to ensure the pipe can withstand the internal forces. Another important factor is the material strength of the steel used for the pipe. Different grades of steel have varying tensile strengths, which affect the required wall thickness. The tensile strength is the maximum amount of stress a material can withstand before it fails, so it is crucial to select a steel grade that can handle the expected pressure. Additionally, the pipe's diameter plays a role in determining the required wall thickness. Larger diameter pipes generally require thicker walls to maintain structural integrity and prevent deformation under pressure. To calculate the required wall thickness, engineers use industry standards and formulas. The most commonly used standard is the American Society of Mechanical Engineers (ASME) B31 code, which provides guidelines for designing pressure piping systems. The ASME code incorporates factors such as safety margins, material properties, and pressure ratings to determine the appropriate wall thickness. Furthermore, other considerations such as temperature, corrosion, and external loads may also influence the required wall thickness. For example, high-temperature applications may require thicker walls to prevent the pipe from buckling or becoming too soft. In summary, determining the required wall thickness for steel pipes involves considering factors such as pressure, material strength, diameter, temperature, and other external forces. Engineers rely on industry standards and calculations to ensure the pipe can withstand the intended operating conditions safely.
Q: Can steel pipes be used for underground gas distribution?
Yes, steel pipes can be used for underground gas distribution. Steel pipes are commonly utilized in the gas industry due to their high strength, durability, and resistance to corrosion. They are capable of withstanding the pressure and stress associated with gas distribution systems. Additionally, steel pipes have been proven to be reliable and safe for transporting natural gas underground. However, it is essential to ensure that the steel pipes are properly coated and protected against corrosion to maintain their integrity and longevity. Regular inspections and maintenance are also necessary to identify and address any potential issues that may arise.
Q: What is the difference between steel pipe and PVC pipe?
Steel pipe and PVC pipe are both commonly used materials for plumbing and other construction applications, but they have several key differences. Firstly, the material itself is different. Steel pipe is made from steel, which is an alloy of iron and carbon. It is known for its strength and durability, making it suitable for high-pressure applications and underground installations. On the other hand, PVC (polyvinyl chloride) pipe is made from a type of plastic known as PVC. It is lightweight, flexible, and easy to handle, making it a popular choice for residential plumbing and irrigation systems. Secondly, the installation process differs. Steel pipe requires skilled labor and specialized tools for cutting, threading, and welding. It often involves a complex installation process, especially for larger pipe sizes. PVC pipe, on the other hand, can be easily cut with a saw or specialized pipe cutter and joined together using solvent cement or threaded fittings. This makes PVC pipe more suitable for do-it-yourself projects and simpler installations. Thirdly, steel pipe has a higher cost compared to PVC pipe. Steel is a more expensive material, and the manufacturing process for steel pipe is more complex, involving multiple steps and additional materials. PVC pipe, being made from plastic, is generally cheaper and more cost-effective, especially for smaller diameter applications. In terms of performance, steel pipe has higher tensile strength, can withstand higher pressure, and is more resistant to temperature changes, making it ideal for heavy-duty and industrial applications. PVC pipe, on the other hand, has a lower tensile strength but is resistant to corrosion, chemicals, and scale buildup. It is commonly used in residential plumbing, irrigation systems, and other non-industrial applications. In summary, the main differences between steel pipe and PVC pipe lie in the material, installation process, cost, and performance characteristics. While steel pipe is stronger and more suitable for heavy-duty applications, PVC pipe is lighter, easier to install, and more cost-effective for residential and non-industrial uses.
Q: Can steel pipes be used for oil wells?
Indeed, oil wells can utilize steel pipes. In the oil and gas sector, steel pipes are frequently employed owing to their robustness, longevity, and resistance to corrosion. They possess the capability to endure the immense pressures and temperatures experienced during oil well drilling and production. Moreover, steel pipes efficiently and securely transport oil from the well to the surface, making them the favored option for oil well infrastructure. Furthermore, steel pipes can be effortlessly welded and threaded, enabling convenient installation and maintenance in oil well applications.
Q: How are steel pipes used in underground drainage systems?
Steel pipes are commonly used in underground drainage systems to transport wastewater and stormwater away from buildings and infrastructure. These pipes are durable and resistant to corrosion, making them suitable for underground applications. They are typically used for main sewer lines and stormwater drains, providing a reliable and long-lasting solution for effective drainage.
Q: How do you repair a damaged steel pipe?
To repair a damaged steel pipe, the first step is to identify the extent of the damage. If the damage is minor, it can be fixed using a pipe repair clamp or a stainless-steel wrap. For larger damages, a cut and replace method may be necessary, where the damaged section is cut out and replaced with a new piece of pipe. In some cases, welding or soldering techniques may be required. It is important to consult with a professional plumber or pipe repair specialist to ensure the correct repair method is used for the specific situation.
Q: How are steel pipes marked for identification?
Steel pipes are marked for identification through a process called pipe marking. This involves applying labels or markers on the surface of the pipes to provide relevant information about their specifications and characteristics. The markings typically include details such as the pipe's size, grade, material composition, manufacturer's logo or name, and any other relevant codes or standards. These markings are crucial for identification and help ensure that the correct pipes are used for specific applications, as well as for maintenance and repair purposes. Additionally, the markings also aid in quality control and traceability, enabling easy identification and tracking of pipes throughout their lifecycle. Overall, proper identification of steel pipes through clear and durable marking systems is essential for maintaining safety, efficiency, and compliance in various industries where these pipes are utilized.

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