• 6 INCH Seamless steel pipe API 5L/ASTM A 106/ASTM A53GR.B System 1
  • 6 INCH Seamless steel pipe API 5L/ASTM A 106/ASTM A53GR.B System 2
6 INCH Seamless steel pipe API 5L/ASTM A 106/ASTM A53GR.B

6 INCH Seamless steel pipe API 5L/ASTM A 106/ASTM A53GR.B

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

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1Structure of Seamless Pipe: 

Seamless pipe possesses a hollow section and without seam around the strip steel. It is made with solid bar or steel ingot by perforating machine. 

Historically seamless pipe was regarded as withstanding pressure better than other types, and was often more easily available than welded pipe.

 

2‍‍Main Features of the Seamless Pipe:

High working accuracy

High strength

Small inertia resistance

Strong therming dissipine ability

Good appearance

Reasonble price

 

3Seamless 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) Executive 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 Pipe:  

How is the quality of your products?
    Our products are strictly in accordance with international and domestic standard. We test on every pipe before delivery. Any quality certification or testing report you want to see, please tell us.
Guaranteed: If products’ quality is not in accordance with description as we provide or the promise before you place order, we promise 100% refund.

How about the price?
     if you are interested in bargain and dissatisfy our factory price, just don’t waste your time. Our quotation is professional.

Why should you choose us?
    Choice happens because of our quality and price.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
OK. If you want see our quality certifications and all kinds of testing report, please just ask us for it.

 

6‍‍Seamless Pipe Images ‍‍

 

 

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.
Q: How do you cut steel pipes?
Steel pipes can be cut using various methods, such as using a hacksaw, a reciprocating saw with a metal-cutting blade, or a pipe cutter specifically designed for steel pipes. Additionally, plasma cutting or oxy-fuel cutting can be used for thicker pipes. The choice of cutting method depends on the pipe diameter, thickness, and the available tools or equipment.
Q: How do you calculate the pipe head loss for steel pipes?
The head loss in steel pipes can be calculated using the Darcy-Weisbach equation, which takes into account factors such as the pipe length, diameter, roughness, flow rate, and fluid properties. This equation provides an accurate estimation of the head loss based on these variables.
Q: How are steel pipes threaded?
Threading, a process that involves creating screw-like grooves on the outer surface of steel pipes, enables their connection to other pipes or fittings using threaded connections. Steel pipes can be threaded through various methods, including manual threading, electric threading machines, and hydraulic threading machines. Manual threading employs a handheld pipe threading tool called a die. The die is positioned on the outside of the pipe, and while pressure is applied, the pipe is rotated to generate the threads. This technique is suitable for smaller diameter pipes and is commonly used for on-site repairs or in smaller operations. For larger diameter pipes, electric threading machines are commonly used. These machines consist of a motor-driven spindle that rotates the pipe and a die head that houses the threading dies. The operator simply feeds the pipe into the machine, and the threading dies automatically cut the threads onto the pipe. Hydraulic threading machines, similar to electric threading machines, utilize hydraulic power to rotate the pipe and create the threads. These machines are typically employed for larger diameter pipes or heavy-duty applications. Irrespective of the method employed, it is crucial to properly prepare the pipe before threading. This may involve cleaning the pipe, eliminating any burrs or sharp edges, and applying a lubricant to minimize friction during the threading process. In conclusion, threading is a widely used and efficient technique for establishing threaded connections on steel pipes. It facilitates easy assembly and disassembly of pipes and fittings, making it a popular choice in industries such as plumbing, construction, and oil and gas.
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: Can steel pipes be coated for additional protection?
Yes, steel pipes can be coated for additional protection. Coatings such as epoxy, polyethylene, or zinc can be applied to steel pipes to enhance their durability, corrosion resistance, and longevity.
Q: Can steel pipes be used for natural gas processing plants?
Yes, steel pipes can be used for natural gas processing plants. Steel pipes are commonly used in the oil and gas industry due to their high strength, durability, and resistance to corrosion. They can safely transport natural gas and are capable of withstanding the high pressure and temperature conditions typically found in processing plants.
Q: How are steel pipes used in the construction of biomass power plants?
Steel pipes are used in the construction of biomass power plants for various purposes, including transporting and distributing steam, water, and other fluids throughout the facility. They are also used for the construction of boiler systems, as well as for conveying fuel and exhaust gases. In addition, steel pipes are essential for the structural integrity of the plant, providing support and durability in various applications.
Q: What are the different types of steel pipe supports for seismic applications?
Some of the different types of steel pipe supports for seismic applications include sway braces, rigid braces, snubbers, and spring hangers.
Q: Is there any difference between HFW steel pipe and ERW steel pipe?
High frequency welding uses the skin effect to concentrate the energy of the high frequency current on the surface of the workpiece, and uses the proximity effect to control the position and range of the high frequency current flow path. The speed of the current is very fast, it can in a short period of time will be adjacent to the edge of the steel plate heating, melting, and through the extrusion docking, each has its own advantages, but also each has its own shortcomings. Generally according to specific circumstances, specific analysis of specific choices.

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