• ASME API 5L GR.B  ERW Steel Pipe With High Quality System 1
  • ASME API 5L GR.B  ERW Steel Pipe With High Quality System 2
ASME API 5L GR.B  ERW Steel Pipe With High Quality

ASME API 5L GR.B ERW Steel Pipe With High Quality

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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 Seamless Steel Pipe With Various Size: 

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 API 5L GR.B Seamless Steel Pipe With Various Size:

• High manufacturing accuracy

• High strength

• Small inertia resistance

• Strong heat dissipation ability

• Good visual effect

• Reasonable price 

 

3、API 5L GR.B Seamless Steel Pipe With Various Size 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 Seamless Steel Pipe With Various Size:  

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 Seamless Steel Pipe With Various SizeImages: ‍‍

 

 

Q: How do you calculate the pipe thermal expansion for steel pipes?
To calculate the pipe thermal expansion for steel pipes, you need to consider the coefficient of thermal expansion (CTE) of the material, the temperature change, and the length of the pipe. The CTE is a measure of how much a material expands or contracts with temperature changes. For steel, the average CTE is typically around 12 x 10^-6 per degree Fahrenheit (or 6.5 x 10^-6 per degree Celsius). However, this value can vary depending on the specific grade of steel. Next, determine the temperature change that the pipe will experience. This can be the difference between the operating temperature and the ambient temperature, or the change in temperature due to the fluid or gas flowing through the pipe. Finally, calculate the thermal expansion using the formula: Thermal Expansion = CTE x Length x Temperature Change Where: - CTE is the coefficient of thermal expansion - Length is the length of the pipe - Temperature Change is the difference in temperature For example, if you have a steel pipe with a length of 10 meters (32.8 feet) and a temperature change of 100 degrees Celsius (180 degrees Fahrenheit), and assuming a CTE of 12 x 10^-6 per degree Celsius, the thermal expansion would be: Thermal Expansion = 12 x 10^-6 x 10 x 100 = 0.012 meters (or 12 millimeters) This means the pipe would expand by 12 millimeters due to the temperature change. It's important to note that this calculation provides an estimate of the thermal expansion, but other factors such as pipe supports, restraints, and the specific application should also be considered to ensure the proper design and installation of the steel pipe system.
Q: What are the common sizes of steel pipes?
The common sizes of steel pipes vary widely, but some common diameters range from 1/8 inch to 36 inches, with wall thicknesses typically ranging from Schedule 10 to Schedule 160.
Q: Can steel pipes be used for mining applications?
Yes, steel pipes can be used for mining applications. Steel pipes are known for their strength, durability, and resistance to extreme conditions, making them suitable for various mining activities such as transporting water, air, or chemicals, as well as for structural support and ventilation systems in mines.
Q: Can steel pipes be used for underground sewage systems?
Yes, steel pipes can be used for underground sewage systems. Steel pipes are known for their durability and strength, making them suitable for underground applications. However, it is essential to ensure that the steel pipes are properly coated or protected against corrosion to prevent damage from sewage and soil conditions.
Q: How do you prevent corrosion in steel pipes?
One effective way to prevent corrosion in steel pipes is by applying a protective coating, such as paint or epoxy, to the surface of the pipes. This barrier creates a physical barrier between the pipe and the surrounding environment, preventing moisture and corrosive agents from coming into direct contact with the steel. Additionally, regular inspection and maintenance of the pipes, including cleaning and repairing any damaged coating, can help identify and address potential issues before they lead to corrosion.
Q: How are steel pipes used in the construction of hydroelectric power plants?
Steel pipes are used in the construction of hydroelectric power plants for various purposes such as transporting water from the reservoir to the turbines, supporting and protecting electrical cables, and providing structural stability to the overall infrastructure.
Q: Can steel pipes be used for transporting gases and liquids?
Yes, steel pipes can be used for transporting gases and liquids. Steel pipes are commonly used for this purpose due to their durability, strength, corrosion resistance, and ability to withstand high pressures. Additionally, steel pipes are versatile and can be customized to meet specific requirements for different types of gases and liquids.
Q: How are steel pipes used in the construction of coal-fired power plants?
Steel pipes are used in the construction of coal-fired power plants for various purposes such as transporting coal and water, circulating fluids, and carrying high-pressure steam. They are commonly used in the boiler and piping systems, including the coal handling system, ash handling system, and cooling water system. Steel pipes provide durability, strength, and resistance to high temperatures and pressures, making them essential components in coal-fired power plant construction.
Q: What's the difference between No. 20 steel pipe and 27SiMn Steel Pipe?
20# steel pipe material is 20 steel, generally 20 seamless steel pipe, 20# steel pipe material is: high quality carbon structural steel
Q: How are steel pipes protected against internal scaling?
Steel pipes are protected against internal scaling through a process called internal coating or lining. This involves the application of a protective layer on the interior surface of the pipe to prevent the formation of scales or deposits. There are several methods used for this purpose. One common method is the application of epoxy coatings. Epoxy is a durable and corrosion-resistant material that forms a continuous barrier on the inside of the pipe. It helps to prevent the accumulation of minerals and other substances that can lead to scaling. Epoxy coatings are often applied by spraying or brushing onto the pipe's interior surface and then cured to form a hard and smooth finish. Another method used for protecting steel pipes against internal scaling is cement mortar lining. In this process, a layer of cement mortar is applied to the inside of the pipe. The cement mortar acts as a barrier against scaling and also provides additional protection against corrosion. This lining process is commonly used for large-diameter pipes that are used in water distribution systems. Polyethylene (PE) lining is another technique employed to protect steel pipes from internal scaling. PE lining involves the insertion of a high-density polyethylene liner into the pipe. This liner acts as a barrier against scaling and also helps to reduce friction, improving the flow of fluids through the pipe. PE lining is often used in applications where a smooth interior surface is required, such as in oil and gas pipelines. In addition to these methods, regular maintenance and cleaning of the pipes can also help prevent internal scaling. This may involve the use of chemical cleaning agents or mechanical cleaning techniques to remove any deposits that have formed on the pipe's interior surface. Overall, protecting steel pipes against internal scaling is crucial to maintain their efficiency and prolong their lifespan. By utilizing various coating and lining methods, as well as implementing proper maintenance practices, the risk of internal scaling can be significantly reduced.

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