• Seamless Steel Pipe API with  Q235 and  GR.B System 1
  • Seamless Steel Pipe API with  Q235 and  GR.B System 2
  • Seamless Steel Pipe API with  Q235 and  GR.B System 3
Seamless Steel Pipe API with  Q235 and  GR.B

Seamless Steel Pipe API with Q235 and GR.B

Ref Price:
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Loading Port:
Tianjin
Payment Terms:
TT OR LC
Min Order Qty:
35 m.t.
Supply Capability:
8000 m.t./month

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1Structure of  Seamless Steel Pipe API with  Q235 and  GR.B

Seamless steel pipe has a hollow section, a large number of pipes used for conveying fluid, such as oil, natural gas, gas, water and some solid materials, etc.. Compared to such as steel pipe and solid bar of steel, in flexural torsional strength are the same, the weight is light, is a kind of economic section steel, widely used in the manufacture of structural parts and mechanical parts, such as drill pipe, automobile transmission shaft, self frame as well as the construction of the steel scaffolding steel pipe manufacturing annular parts, can improve the material utilization rate, simplify the manufacturing process, material saving and working hours, has been widely used in steel pipe manufacturing.

 

2‍‍Main Features of  Seamless Steel Pipe API with  Q235 and  GR.B

 

• High manufacturing accuracy

• High strength

• Strong heat dissipation ability

 

3Supply  Seamless Steel Pipe API with  Q235 and  GR.B

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 Supply Seamless Steel Pipe API Certificate  

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.

 

6 Seamless Steel Pipe API with  Q235 and  GR.B Images ‍‍

 

 

 

Seamless Steel Pipe API with  Q235 and  GR.B

Seamless Steel Pipe API with  Q235 and  GR.B

 

 

 

Q: How are steel pipes used in the construction of dams and water reservoirs?
Steel pipes are used in the construction of dams and water reservoirs primarily for their strength and durability. They are commonly used to transport water within the dam or reservoir, as well as for drainage systems. Steel pipes are also utilized for the construction of intake and outlet structures, penstocks, and other components that require a robust and reliable material to withstand the high pressure and heavy loads associated with dam operation.
Q: What are the factors to consider when selecting steel pipes for a project?
When selecting steel pipes for a project, several factors need to be considered. These include the required strength and durability of the pipes, the intended application and environment, the size and dimensions needed, the corrosion resistance required, the budget constraints, and any specific industry or regulatory standards that need to be met. Additionally, factors like the availability and sourcing of the steel pipes, the ease of installation and maintenance, and the potential for future expansion or modifications should also be taken into account.
Q: What is the thermal expansion coefficient of steel pipes?
The thermal expansion coefficient of steel pipes varies based on the particular steel type and the temperature range in which the expansion is measured. On average, the thermal expansion coefficient of steel pipes is between 10-14 x 10^-6 per degree Celsius (10-14 μm/m°C). Thus, for each degree Celsius rise in temperature, the length of a steel pipe will roughly increase by 10-14 μm per meter. It is vital to acknowledge that this value is an average and may slightly differ based on the specific composition and treatment of the steel employed in the pipe.
Q: How do steel pipes compare to other types of piping materials?
Steel pipes are known for their exceptional strength, durability, and resistance to corrosion, making them superior to many other types of piping materials. They can withstand high pressure and temperature, making them suitable for a wide range of applications. Additionally, steel pipes are cost-effective, readily available, and easily recyclable, making them a preferred choice in various industries.
Q: What are the different types of steel pipe tees?
Various plumbing and piping applications commonly utilize different types of steel pipe tees. These tees serve various purposes and offer specific functionalities. 1. Equal tee: This tee consists of three branches of the same size, ensuring an equal flow of fluid or gas through each branch. 2. Unequal tee: As suggested by its name, an unequal tee features branches of varying sizes. This allows for merging or diversion of flows with different volumes or pressures. 3. Reducing tee: This tee is deployed when the branch size is smaller than the main pipe size. It enables a reduction in size while maintaining the flow in the main line. 4. Barred tee: In situations involving the insertion or removal of a pipeline-cleaning and inspection device known as a pig, a barred tee is employed. It possesses a bar welded across one or two branches to create a bypass for the pig. 5. Lateral tee: A lateral tee has a branch angle of either 45 degrees or 90 degrees, facilitating the perpendicular alignment of the branch line with the main line. It finds extensive use in fire sprinkler systems and scenarios necessitating a change in direction. 6. Compression tee: This tee is suitable for gas or hydraulic systems, where branches are connected using compression fittings rather than welding or threading. 7. Butt-weld tee: High-pressure and high-temperature applications employ butt-weld tees. These tees are welded to the main pipe using butt-welding techniques, ensuring a robust and leak-proof connection. These represent some of the most prevalent types of steel pipe tees employed across diverse industries. The selection of the appropriate tee depends on specific project requirements, such as pipe size, flow rates, and transported materials.
Q: Can steel pipes be used for hydraulic systems?
Yes, steel pipes can be used for hydraulic systems. Steel pipes are commonly used in hydraulic systems due to their high strength, durability, and ability to handle high pressure. They provide excellent resistance to corrosion and can effectively transport hydraulic fluids, making them a suitable choice for various hydraulic applications.
Q: Can steel pipes be used for hydroelectric power plants?
Yes, steel pipes can be used for hydroelectric power plants. Steel pipes are commonly used to transport water in hydroelectric power plants for various purposes such as intake systems, penstocks, and discharge systems. They offer durability, strength, and resistance to corrosion, making them suitable for the challenging environments found in hydroelectric power generation.
Q: How are steel pipes repaired if they are damaged?
Steel pipes can be repaired if they are damaged through various methods such as welding, patching, or replacing the damaged section with a new pipe. The specific repair technique depends on the extent and nature of the damage.
Q: How are steel pipes used in the chemical industry?
Steel pipes are extensively used in the chemical industry for various applications, including transportation of chemicals, gases, and liquids. They are highly durable, corrosion-resistant, and can withstand high pressure and temperature conditions. Steel pipes are used in chemical plants for the transfer of raw materials, intermediate products, and final products within the production process. They are also employed for the distribution of utilities such as water, steam, and compressed air. Additionally, steel pipes are utilized for the construction of storage tanks, reactors, and other equipment in the chemical industry due to their strength and reliability.
Q: What are the common welding techniques used for steel pipes?
The common welding techniques used for steel pipes include shielded metal arc welding (SMAW), gas metal arc welding (GMAW), flux-cored arc welding (FCAW), and submerged arc welding (SAW).

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