• Carbon Weld Square Steel Pipe Square Steel Tube System 1
  • Carbon Weld Square Steel Pipe Square Steel Tube System 2
Carbon Weld Square Steel Pipe Square Steel Tube

Carbon Weld Square Steel Pipe Square Steel Tube

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Loading Port:
Tianjin
Payment Terms:
TT or LC
Min Order Qty:
20 m.t.
Supply Capability:
15000 m.t./month

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Product Description:

1Structure of Hollow Section Steel Pipe Various Size: 

The square tubes are used in structural projects, shelves, racks, trailers and in ornamental purpose. The framework made by square steel tubes, is used for providing support to the roof. This framework is also used as roof top ventilation baffles. With compare to round steel tubes, square steel tubes are little more efficient. To be used for construction, furniture structures as well as other fabrication purposes. It is widely used in building, machine, chemical equipment, automobile industrial, container, it is also applied to agriculture and mine machine.

 

2‍‍Main Features of Hollow Section Steel Pipe Various Size:

• High manufacturing accuracy

• High strength

• Small inertia resistance

• Strong heat dissipation ability

• Good visual effect

• Reasonable price 

 

3Hollow Section Steel Pipe Various Size  Specification

Standard

ASTM A500, GB6728

Grade

A, B, C, Q195, Q235, Q215

Thickness

0.6-10MM

Section Shape

Square

Outer Diameter

10*10-500*500

Place of Origin

TIANJIN, China (Mainland)

Secondary Or Not

Non-secondary

Application

Hydraulic Pipe

Technique

HOT-ROLLED

Certification

CO, MTC, CI, PL

‍Surface Treatment

factory state or painted black

‍Special Pipe

Alloy Or Not

Non-alloy

Length

5-12M

Outer Diameter

10*10-500*500

 

1) Material: A, B, C, Q195, Q235, Q215

2) Specification range: 10*10-500*500 WT:0.6-10MM ,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 Hollow Section Steel Pipe Various Size:  

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 choose us?
    Choice happens because of our quality and price. Additionally, we can also offer professional products inquiry, products knowledge train (for agents), fast goods delivery, outstanding 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 OK.

 

6Hollow Section Steel Pipe Various Size Images

 

 

Q:What is the shear strength of steel pipes?
The shear strength of steel pipes can vary based on a variety of factors including the grade and thickness of the steel, as well as the manufacturing process and any additional treatments or coatings applied. Steel pipes generally possess a high shear strength due to the inherent strength of steel as a material. Determination of shear strength is typically achieved through testing and can range from 50,000 to 80,000 pounds per square inch (PSI) for common grades of steel pipes. However, it is important to acknowledge that the shear strength can be considerably higher for specialized or higher-grade steel pipes that are specifically designed for applications such as offshore drilling or high-pressure systems. Therefore, it is advisable to refer to the manufacturer's specifications or engineering standards for precise and specific shear strength values for a particular steel pipe.
Q:How are steel pipes used in power plants?
Steel pipes are used in power plants for various purposes such as carrying steam, water, and other fluids, as well as transporting fuel and exhaust gases. They are also utilized in the construction of boilers, heat exchangers, and condensers, ensuring efficient and reliable operation of power generation equipment.
Q:How are steel pipes used in the manufacturing of wind turbines?
Steel pipes are used in the manufacturing of wind turbines primarily for constructing the tower, which provides structural support and stability to the turbine. These steel pipes are typically large in diameter to withstand the strong winds and carry the weight of the turbine components. Additionally, steel pipes are also utilized for the transmission of electrical cables within the turbine, ensuring efficient power generation.
Q:What is the load-bearing capacity of steel pipes?
The load-bearing capacity of steel pipes depends on various factors such as the diameter, wall thickness, and grade of the steel used. Generally, steel pipes have high load-bearing capacity due to their inherent strength and durability. The load-bearing capacity can be determined through engineering calculations and testing methods. These calculations consider factors like the applied load, pipe dimensions, and the material properties of the steel. It is important to consult engineering standards and guidelines, as well as a structural engineer, to accurately determine the load-bearing capacity of specific steel pipes for a given application.
Q:What is the difference between steel pipe and ductile iron pipe?
Steel pipe and ductile iron pipe are both commonly used in various industries for transporting fluids and gases. However, there are some key differences between the two materials. One of the main differences is their composition. Steel pipe is made primarily of iron and carbon, with other alloying elements added to enhance its strength and corrosion resistance. On the other hand, ductile iron pipe is a form of cast iron that has been treated to improve its ductility and toughness. It contains higher amounts of carbon and silicon, along with small amounts of other elements such as magnesium and copper. Another difference is their strength and durability. Steel pipe is known for its high strength and can withstand higher pressures and stresses compared to ductile iron pipe. It is also more resistant to impact and bending, making it suitable for applications where high strength is required. Ductile iron pipe, although not as strong as steel, still offers good strength and durability, especially in applications where there is a risk of external damage or heavy loads. Corrosion resistance is another factor to consider. Steel pipe is typically more resistant to corrosion due to the addition of alloying elements such as chromium and nickel. This makes it suitable for applications where there is a high risk of corrosion, such as pipelines carrying corrosive fluids. Ductile iron pipe, while also having some corrosion resistance, may require additional protective coatings to enhance its durability in corrosive environments. Installation and maintenance are also different for these two types of pipes. Steel pipe is generally lighter and easier to handle, making it easier to install. It can also be welded, which allows for more flexibility in the construction process. Ductile iron pipe, being a cast iron material, requires more specialized installation techniques, such as using mechanical joints or flanges. It is also more prone to cracking during installation if not handled properly. In terms of cost, steel pipe is generally more expensive than ductile iron pipe. This is due to the higher cost of raw materials and the additional processing required to produce steel pipe. However, it is important to consider the overall lifecycle cost, as steel pipe's higher strength and corrosion resistance may result in lower maintenance and replacement costs in the long run. In summary, while both steel pipe and ductile iron pipe have their own advantages and applications, the choice between the two depends on factors such as strength requirements, corrosion resistance, installation methods, and budget considerations. Careful consideration of these factors will help determine which pipe material is most suitable for a specific application.
Q:Can steel pipes be used for wastewater treatment?
Indeed, wastewater treatment can make use of steel pipes. The construction of wastewater treatment plants and systems frequently incorporates steel pipes owing to their robustness, resilience, and resistance to corrosion. Their exceptional suitability lies in their capacity to handle the transportation and distribution of wastewater, given their ability to withstand substantial pressure and temperature fluctuations. Moreover, steel pipes have the potential to be coated or lined with materials that offer supplementary protection against corrosion and chemical reactions with the wastewater. Nonetheless, it is crucial to ensure the adequate upkeep, inspection, and replacement of steel pipes when required, to avert potential leaks or failures that could jeopardize the wastewater treatment process.
Q:What type of steel pipe dance is used in general?
According to international competition practice, the standard size of steel tube is 40 mm or 45 mm in diameter, and the 45mm is usually used. The height of the steel pipe is not less than 3.3 meters and not higher than 4 meters.
Q:What is the abrasion resistance of steel pipes?
Steel pipes have a relatively high resistance to abrasion. They possess exceptional strength and durability, rendering them resilient against the detrimental effects of friction and impact. This quality positions steel pipes as a prime option for various industries and applications that frequently encounter abrasion, such as mining, oil and gas, and the transportation of abrasive substances. Furthermore, steel pipes can be fortified with coatings or linings to enhance their resistance against abrasion, tailored to meet the unique demands of each application. In conclusion, steel pipes present a dependable and enduring solution for effectively managing abrasive materials and environments.
Q:What are the different methods of pipe inspection for steel pipes?
Steel pipes can be inspected using various methods. Here are some commonly employed techniques: 1. Visual Inspection: Trained inspectors visually examine both the exterior and interior of the pipe to detect any visible defects or abnormalities. This preliminary method is often used before more advanced techniques are applied. 2. Magnetic Particle Inspection (MPI): By applying a magnetic field to the steel pipe and iron particles to its surface, inspectors can identify surface cracks or defects. Leakage of magnetic flux caused by these abnormalities can be detected with this method, which is particularly effective for ferromagnetic materials. 3. Ultrasonic Testing (UT): UT is a non-destructive testing method that utilizes high-frequency sound waves to identify internal defects or anomalies in steel pipes. A transducer sends ultrasonic waves into the pipe, and reflections or echoes of the sound waves are analyzed to determine the presence of defects, such as corrosion, cracks, or variations in wall thickness. 4. Radiographic Testing (RT): This method involves using X-rays or gamma rays to create an image of the internal structure of the steel pipe. The resulting image reveals any defects, such as cracks, corrosion, or weld discontinuities. RT is commonly used for inspecting welded joints. 5. Eddy Current Testing (ECT): ECT is a non-destructive testing technique that utilizes electromagnetic induction to detect surface and near-surface defects in steel pipes. By passing a coil carrying an alternating current over the pipe's surface, any changes in electrical conductivity or magnetic field caused by defects are detected and analyzed. 6. Acoustic Emission Testing (AET): AET involves detecting and analyzing high-frequency acoustic signals emitted by materials undergoing deformation or damage. In the case of steel pipes, AET can monitor and identify defects like cracks, leaks, or corrosion by analyzing the acoustic signals emitted during service or under stress. These methods are just a few examples of commonly used techniques for inspecting steel pipes. The choice of method depends on factors such as the type of defect being sought, accessibility of the pipe, desired sensitivity level, and cost and time constraints. Using a combination of inspection techniques is often recommended to ensure a thorough assessment of steel pipes.
Q:What is the difference between steel pipes and FRP pipes?
Steel pipes and FRP (Fiberglass Reinforced Plastic) pipes differ in their material composition, properties, and applications. While steel pipes are made from steel, FRP pipes are composed of a combination of resin and fiberglass. Steel pipes are known for their high strength and durability, making them suitable for heavy-duty applications such as transporting oil, gas, and water. On the other hand, FRP pipes are lightweight, corrosion-resistant, and have excellent chemical resistance, making them ideal for applications where corrosion is a concern, such as in the chemical industry or in sewage systems. Furthermore, FRP pipes offer better insulation properties and are easier to install due to their lighter weight. Overall, the choice between steel pipes and FRP pipes depends on the specific requirements and conditions of the application.

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