• 20# Seamless steel pipe ASTM A106/API 5L/ASTM A106 System 1
  • 20# Seamless steel pipe ASTM A106/API 5L/ASTM A106 System 2
20# Seamless steel pipe ASTM A106/API 5L/ASTM A106

20# Seamless steel pipe ASTM A106/API 5L/ASTM A106

Ref Price:
get latest price
Loading Port:
Tianjin
Payment Terms:
TT or LC
Min Order Qty:
25 m.t.
Supply Capability:
9000 m.t./month

Add to My Favorites

Follow us:


OKorder Service Pledge

Quality Product, Order Online Tracking, Timely Delivery

OKorder Financial Service

Credit Rating, Credit Services, Credit Purchasing

1、Structure of 20# Seamless steel pipe ASTM A106/API 5L/ASTM A106: 

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 20# Seamless steel pipe ASTM A106/API 5L/ASTM A106:

• High manufacturing accuracy

• High strength

• Small inertia resistance

• Strong heat dissipation ability

• Good visual effect

• Reasonable price 

 

3、20# Seamless steel pipe ASTM A106/API 5L/ASTM A106 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 20# Seamless steel pipe ASTM A106/API 5L/ASTM A106:  

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.

②Why 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、20# Seamless steel pipe ASTM A106/API 5L/ASTM A106 Images: ‍‍

 

Q: How do steel pipes handle ground settlement?
One possible alternative: Due to their robustness and durability, steel pipes are highly suitable for managing ground settlement. The pipes' flexibility and strength enable them to endure the shifting and settling of the ground with minimal damage. Their high resistance to deformation ensures that they can maintain their shape and structural integrity even when the ground settles or moves. When the ground settles, steel pipes can flex and bend slightly to accommodate the movement. This flexibility allows them to adapt to changes in the ground without experiencing breakage or cracking. Additionally, steel pipes often incorporate joints designed to absorb and distribute stress caused by ground settlement. Moreover, steel pipes possess a smooth interior surface that reduces friction and resistance to material flow. This characteristic becomes particularly crucial when the ground settles, as it diminishes the chances of blockages or clogs due to debris or sediment settling inside the pipes. In conclusion, steel pipes possess the necessary strength, flexibility, and resistance to deformation to effectively handle ground settlement. They can adapt to ground movement without compromising their structural integrity, making them a dependable choice for various applications such as underground infrastructure and pipeline systems.
Q: What is the average lifespan of steel pipes in different applications?
The lifespan of steel pipes in different applications can vary due to various factors, such as the quality of the steel, the environment in which they are used, and the maintenance and care they receive. Water supply lines typically have steel pipes that can last around 50 to 70 years on average. These pipes are often made of high-quality steel and experience less corrosive environments. However, the presence of corrosive substances, water chemistry, and soil conditions can significantly impact their lifespan. For industrial applications like oil and gas pipelines, steel pipes generally have a lifespan ranging from 20 to 50 years. These pipes are exposed to aggressive environments with high temperatures, pressure, and corrosive substances. Extending their lifespan can be achieved through regular inspections, maintenance, and corrosion protection measures. In construction applications, steel pipes used for structural purposes can last an average of 50 to 100 years or longer. These pipes are designed to withstand heavy loads and are often safeguarded by coatings or insulation to prevent corrosion. It's important to understand that these are average lifespans, and individual pipes may have shorter or longer lifespans depending on specific conditions. Ensuring the longevity of steel pipes in different applications can be achieved through regular inspections, maintenance, and timely repairs or replacements when necessary.
Q: What are the different methods of pipe inspection for steel pipes?
There are several methods of pipe inspection that can be used for steel pipes. Some of the commonly used methods are as follows: 1. Visual Inspection: This is the most basic form of pipe inspection where a trained inspector visually examines the exterior and interior of the pipe to identify any visible defects or abnormalities. This method is often used as a preliminary inspection before more advanced techniques are employed. 2. Magnetic Particle Inspection (MPI): MPI involves applying a magnetic field to the steel pipe and then applying iron particles to the surface. Any surface cracks or defects in the pipe will cause a leakage of magnetic flux, which can be detected by the inspector. This method is particularly effective in identifying surface defects in ferromagnetic materials. 3. Ultrasonic Testing (UT): UT is a non-destructive testing method that uses high-frequency sound waves to detect internal defects or anomalies in steel pipes. A transducer is used to send ultrasonic waves into the pipe, and the reflections or echoes of the sound waves are analyzed to determine the presence of defects such as corrosion, cracks, or wall thickness variations. 4. Radiographic Testing (RT): In this method, X-rays or gamma rays are used to create an image of the internal structure of the steel pipe. The X-rays or gamma rays pass through the pipe, and the resulting image can reveal any defects, such as cracks, corrosion, or weld discontinuities. This method is commonly used for inspecting welded joints. 5. Eddy Current Testing (ECT): ECT is a non-destructive testing technique that uses electromagnetic induction to detect surface and near-surface defects in steel pipes. A coil carrying an alternating current is passed over the pipe's surface, and any changes in the electrical conductivity or magnetic field caused by defects are detected and analyzed. 6. Acoustic Emission Testing (AET): AET is a method that detects and analyzes the high-frequency acoustic signals emitted by materials when they undergo deformation or damage. In the case of steel pipes, AET can be used to monitor and identify defects such as cracks, leaks, or corrosion by analyzing the acoustic signals emitted during service or under stress. These are just a few of the commonly used methods of pipe inspection for steel pipes. The choice of method depends on various factors such as the type of defect being looked for, the accessibility of the pipe, the desired level of sensitivity, and the cost and time constraints. It is often recommended to use a combination of inspection techniques to ensure a thorough assessment of the steel pipes.
Q: Is the same specification seamless steel pipe more expensive than welded pipe?
Welded steel pipe refers to the use of steel or steel plate bending deformation into a round, square and other shapes after welding into the surface of the joint of the steel pipe. The blank used in welded steel pipe is steel or strip steel.
Q: Are steel pipes resistant to UV radiation?
Yes, steel pipes are generally resistant to UV radiation. UV radiation is known to cause damage to materials over time, such as fading, discoloration, and degradation. However, steel pipes are typically coated with protective layers, such as paint or galvanization, which help to shield them from UV radiation. These coatings act as a barrier, preventing the direct exposure of steel to UV rays and minimizing the potential for damage. Additionally, the inherent properties of steel, including its strength and durability, make it less susceptible to the effects of UV radiation compared to other materials like plastics or rubber. However, it is important to note that prolonged exposure to intense UV radiation can still have some impact on steel pipes, such as slight discoloration or surface degradation. Regular maintenance and inspection are recommended to ensure the continued performance and longevity of steel pipes in outdoor or UV-exposed environments.
Q: What is the role of steel pipes in the aerospace industry?
Steel pipes play a crucial role in the aerospace industry as they are widely used for various applications such as fuel and hydraulic systems, air conditioning, and structural support. These pipes provide strength, durability, and resistance to high pressures and extreme temperatures, ensuring the safe and efficient operation of aircraft.
Q: What are the common uses of steel pipes in construction?
Steel pipes are commonly used in construction for various purposes due to their durability and strength. One of the most common uses of steel pipes in construction is for plumbing systems. Steel pipes are often used to carry water, gas, and other fluids throughout a building. They are preferred over other materials due to their resistance to corrosion and ability to withstand high pressure. Another common use of steel pipes in construction is for structural support. Steel pipes are often used as columns or beams to provide structural integrity to buildings. They can support heavy loads and provide stability to structures, making them a popular choice in the construction industry. Steel pipes are also commonly used in the construction of bridges and highways. They are used for creating strong and durable bridge supports, guardrails, and signposts. Steel pipes are able to withstand extreme weather conditions and heavy traffic, making them a reliable choice for infrastructure projects. Furthermore, steel pipes are used for underground utilities such as sewer and drainage systems. They provide a strong and long-lasting solution for transporting wastewater and preventing leaks. Steel pipes are also used in the construction of underground tunnels and pipelines. In addition to these common uses, steel pipes are also utilized in construction for fencing, scaffolding, and handrails. They are chosen for their strength, versatility, and ability to withstand harsh environmental conditions. Overall, steel pipes are an essential component in construction due to their numerous advantages. Their durability, strength, and resistance to corrosion make them a reliable choice for various applications in the construction industry.
Q: How are steel pipes used in the manufacturing of furniture?
Steel pipes are commonly used in the manufacturing of furniture to provide structural support and stability. They are often used as the framework for chairs, tables, and other pieces of furniture. Steel pipes are strong, durable, and can be easily manipulated and welded to create various designs and shapes. Additionally, steel pipes can be finished with different coatings or paints to enhance their appearance and protect against corrosion.
Q: Can steel pipes be bent or shaped?
Yes, steel pipes can be bent or shaped using various methods such as cold bending, hot bending, or using hydraulic or mechanical equipment.
Q: How can seamless steel tubes be produced?
The material of rolling seamless tube is round tube blank, and the billet is processed by cutting machine to grow about 1 meters, and sent to the furnace by conveyor belt. The billets are heated into a furnace and the temperature is about 1200 degrees celsius. The fuel is hydrogen or acetylene. The temperature control in the furnace is a key problem. When the round billet is released, it should be punched through the pressure piercer. The most common punching machine is a cone roll piercer, which has high production efficiency, good product quality, large perforation and expanding diameter, and can be used in various steel grades. After the perforation, the round tube blank has been successively rolled, rolled or squeezed by three rollers.

Send your message to us

This is not what you are looking for? Post Buying Request

Similar products

Hot products


Hot Searches

Related keywords