Steel Pipe -- Rectangular Steel Tube Factory

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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 Rectangular Steel Pipe ASTM AL5:

Rectangular Steel Pipe is to be used for conveying gas, water, and petroleum foroil and natural gas industries. And used for structural steel pies purpose. As the manufacturing process does not include any welding, Rectangular Steel Pipe are perceived to be stronger and more reliable. 

 

2、‍‍Main Features of Rectangular Steel Pipe ASTM AL5:

• High manufacturing accuracy

• High strength

• Small inertia resistance

• Strong heat dissipation ability

• Good visual effect

• Reasonable price 

 

3、Rectangular Steel Pipe  ASTM AL5 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 Rectangular Steel Pipe ASTM AL5:  

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、‍‍ Rectangular Steel Pipe ASTM AL5 Images: ‍‍

Steel Pipe -- Rectangular Steel Tube  Factory

Q:
When working with steel pipes, it is important to follow certain safety precautions to prevent accidents and injuries. Some key precautions include wearing appropriate personal protective equipment (PPE) such as gloves, safety glasses, and steel-toed boots to protect against cuts, burns, and impact injuries. It is also crucial to inspect the pipes for any defects or damage before using them and ensure they are properly supported and secured during installation to prevent them from falling or causing structural failures. Additionally, workers should be trained on safe lifting techniques to avoid strain or back injuries when handling heavy pipes. Regular maintenance and inspection of tools and equipment, as well as adherence to proper handling and storage procedures, are also essential for maintaining a safe working environment when working with steel pipes.
Q:
There are several advantages of using steel pipes in industrial plants. Firstly, steel pipes are incredibly strong and durable, capable of withstanding high pressures and extreme temperatures, making them suitable for transporting various liquids and gases. Secondly, steel pipes have excellent resistance to corrosion, ensuring a longer lifespan and reduced maintenance costs. Additionally, steel pipes have a smooth interior surface, minimizing frictional resistance and allowing for efficient flow of materials. Lastly, steel pipes are highly versatile, with different sizes and thicknesses available, making them suitable for a wide range of applications in industrial plants.
Q:
To calculate the weight of steel pipes, you would need to know the dimensions of the pipe, including its outer diameter, inner diameter, and length. By using the formula for the volume of a cylinder, which is πr²h, where r is the radius (half the diameter) and h is the height or length of the pipe, you can calculate the volume of the pipe. Then, by multiplying the volume by the density of steel, which is typically around 7850 kg/m³, you can determine the weight of the steel pipe.
Q:
The lifespan of steel pipes can differ based on several factors, including the steel quality, environmental conditions, and pipe maintenance and usage. On average, steel pipes typically last between 50 and 100 years. However, by installing them correctly, conducting regular inspections, and maintaining them appropriately, steel pipes can often surpass this lifespan and offer dependable service for many decades. It is worth noting that corrosion, erosion, and external damage can affect the longevity of steel pipes. Therefore, it is essential to implement preventive measures and carry out necessary repairs to guarantee their durability.
Q:
When selecting the right steel pipe for a specific application, there are several factors to consider. These include the type of fluid or gas that will flow through the pipe, the temperature and pressure conditions of the application, the size and diameter requirements, the level of corrosion resistance needed, the cost and availability of the steel pipe, and any specific industry standards or regulations that must be followed.
Q:
When selecting pipe materials for corrosive environments, there are several factors to consider. Firstly, the chemical composition and concentration of the corrosive substances must be evaluated, as different materials have varying resistance to specific chemicals. The temperature and pressure conditions in the environment also play a crucial role in material selection, as some materials may degrade or become brittle under extreme conditions. Additionally, the pipe's mechanical properties, such as strength and flexibility, should be assessed to ensure it can withstand the corrosive environment. The cost and availability of the chosen material, as well as its compatibility with other components in the system, should also be taken into account. Overall, a comprehensive understanding of the corrosive environment and thorough research on material properties are essential for selecting the most suitable pipe material.
Q:
The main difference between black steel pipe and galvanized steel pipe lies in their coating. Black steel pipe is untreated and has a dark, matte appearance, while galvanized steel pipe is coated with a layer of zinc to prevent rusting and has a silver, shiny appearance. This coating makes galvanized steel pipes more durable and suitable for outdoor use, while black steel pipes are commonly used for indoor plumbing and gas lines.
Q:
Various methods can be employed to safeguard steel pipes against electrolytic corrosion. One commonly utilized approach involves the application of protective coatings on the pipe's surface. These coatings serve as a barrier, effectively preventing direct contact between the steel and the surrounding environment, which may contain moisture and other corrosive substances. Epoxy, polyethylene, and zinc are frequently employed coatings for this purpose. Another means of protection involves the utilization of sacrificial anodes. These anodes, typically fabricated from a metal that exhibits greater reactivity than steel, such as zinc or aluminum, are affixed to the steel pipes. Over time, as these anodes corrode, they willingly sacrifice themselves in order to shield the steel. This process, known as cathodic protection, is exceptionally successful in deterring electrolytic corrosion. Aside from coatings and sacrificial anodes, proper insulation and electrical isolation play a pivotal role in preventing electrolytic corrosion of steel pipes. Insulating materials, such as rubber or plastic sleeves, are employed to prevent direct contact between the pipes and other metals or electrolytes. Electrical isolation can be achieved through the use of dielectric unions or insulating flanges, which effectively obstruct the flow of electric current between different sections of the pipeline. Furthermore, regular maintenance and inspection are essential components of protecting steel pipes against electrolytic corrosion. Regular checks to assess coating integrity, anode condition, and potential electrical leakage are crucial in maintaining the ongoing efficacy of the corrosion protection system. In conclusion, a combination of protective coatings, sacrificial anodes, insulation, electrical isolation, and regular maintenance is indispensable in safeguarding steel pipes against electrolytic corrosion. By implementing these measures, the lifespan of steel pipes can be substantially prolonged, thereby ensuring the safety and reliability of various applications, including water distribution, oil and gas transportation, and structural support in buildings and infrastructure.
Q:
There are several types of steel pipe joints, including threaded and coupled joints, welded joints, flanged joints, and grooved joints.
Q:
Steel pipes are commonly used in the oil and gas industry for various applications such as drilling, transportation of crude oil and natural gas, and for constructing pipelines and storage tanks. They provide strength, durability, and resistance to corrosion, making them ideal for these critical operations.

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