Hollow Section-Square Tubes With Best price

Hollow Section-Square Tubes With Best price System 1

Hollow Section-Square Tubes With Best price

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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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Product Description:

1. Specification of ERW Welded Pipes-Square Tube and Pipe for Furniture ASTM A53 Hollow Section

1) Application: Greenhouse pipes, scaffolding pipes, transportation the ocean oil and gas, mechanical tube of ocean platform, power station, chemical industry and building, construction foundation piles, steel structure building, for low-pressur fluid service, steel structure bridges etc.

2) Standard: ASTM A53, BS1387, GB/T9711, GB/T39013

3) Steel Grade: Q195/Q215/Q235/Q345

2. Sizes of ERW Welded Pipe- Square Tube and Pipe for Furniture ASTM A53 Hollow Section

Outer Diameter: 1/2"x1/2"-16"x16''

Thickness:4.0-12.75mm

Length: As costumer's requirement

2. Packing & Delivery

Packing Detail: Packing in bundle with steel strips;with seaworthy package at the end; could be done with your requirement

Delivery Time: Within 30 Days after the reception of prepayment or L/C

3. Data Sheet

Standard: ASTM A53

Mechanical Properties

Standard	Grade	（MPa）	（MPa）
Standard	Grade	Yield strength	Tensile Strength
ASTM A53M	A	205	330
ASTM A53M	B	240	415

Chemical Composition(%)

Standard	Grade	C	Mn	P	S	V	Ni	Cu	Cr	Mo
Standard	Grade	Max	Max	Max	Max	Max	Max	Max	Max	Max
ASTM A53M	A	0.25	0.95	0.05	0.045	0.08	0.4	0.5	0.4	0.15
ASTM A53M	B	0.30	1.20	0.05	0.045	0.08	0.4	0.5	0.4	0.15

Q: What are the different types of supports used for steel pipes in buildings?: Steel pipes in buildings commonly utilize various types of supports. These supports serve different purposes and are typically made of metal or plastic materials. Firstly, pipe hangers are designed to bear the weight of the pipe. They are securely attached to the building structure and prevent the pipe from sagging or shifting. Pipe clamps, on the other hand, are employed to fasten the pipe to a wall or other structural element. These clamps consist of a metal band that encircles the pipe and is then fixed to the structure using bolts or screws. Their main function is to provide stability and prevent any movement or vibration of the pipe. For distributing the weight evenly and offering additional support, pipe shoes are installed beneath the pipe. These support devices are typically made of metal or rubber and can be attached to the building structure or embedded in concrete foundations. To guide the movement of the pipe and prevent excessive bending or shifting, pipe guides are utilized. These guides, usually composed of metal or plastic, are installed at regular intervals along the length of the pipe. Lastly, pipe rollers are employed to support horizontal pipes and permit expansion and contraction due to temperature changes. Made of metal, these rollers allow the pipe to move freely without causing any harm to the building structure. It is crucial to select the appropriate type of support based on the specific requirements of the steel pipe and the building structure. By properly supporting steel pipes in buildings, their stability, durability, and overall safety are ensured.

Q: Can steel pipes be used for airport construction?: Yes, steel pipes can be used for airport construction. Steel pipes are commonly used in various applications in the construction industry, including airports. They are often used for underground utilities such as water and sewage lines, as well as for structural purposes such as supporting the airport terminal building. Steel pipes offer several advantages for airport construction. Firstly, they have high strength and durability, making them suitable for handling heavy loads and withstanding adverse weather conditions. This is important for ensuring the safety and stability of airport structures. Secondly, steel pipes are versatile and can be easily customized to fit specific project requirements. They come in various sizes and thicknesses, allowing for flexibility in design and construction. Additionally, steel pipes can be welded or joined together to create longer sections, which simplifies installation and reduces construction time. Moreover, steel pipes are resistant to corrosion, which is crucial in airports where there is constant exposure to moisture, salt, and other environmental factors. Their resistance to corrosion ensures the longevity and reliability of the infrastructure. Lastly, steel pipes are cost-effective compared to other materials such as concrete or PVC. They have a relatively low maintenance requirement and a long lifespan, reducing the need for frequent repairs or replacements, thus saving time and money in the long run. In conclusion, steel pipes are a suitable choice for airport construction due to their strength, durability, versatility, corrosion resistance, and cost-effectiveness.

Q: What is the standard length of a steel pipe?: The standard length of a steel pipe can vary depending on the industry and application. However, in general, the standard lengths of steel pipes range from 18 to 24 feet. These lengths are commonly used in construction, plumbing, and other industrial applications. It is important to note that custom lengths can also be obtained to suit specific project requirements.

Q: What is the role of steel pipes in the mining and extraction of minerals?: Steel pipes play a crucial role in the mining and extraction of minerals. They are widely used in various mining operations to transport water, slurry, and other fluids, as well as to provide structural support and ventilation in underground mines. One of the primary uses of steel pipes in mining is for transporting water or slurry. Water is essential in the mining process for various purposes, such as dust suppression, ore processing, and site rehabilitation. Steel pipes are used to create a network of pipelines that transport water from a source, such as a dam or reservoir, to different areas within the mine site. Similarly, slurry, a mixture of water and crushed minerals, is often transported through steel pipes to processing plants or tailings dams. Steel pipes also play a critical role in providing structural support in underground mines. Underground mining operations require tunnels and shafts to access valuable mineral deposits. These tunnels and shafts need to be reinforced to withstand the immense pressure exerted by the surrounding rock and prevent collapses. Steel pipes are used as support structures, such as roof bolts and rock bolts, to reinforce the walls and roofs of these underground excavations, ensuring the safety of miners and the stability of the mine structure. Additionally, steel pipes are used for ventilation systems in underground mines. Proper ventilation is vital in mining to ensure a constant supply of fresh air, remove harmful gases, and control temperature and humidity levels. Steel pipes are used to create ventilation shafts and ducts that facilitate the flow of air throughout the mine. This helps maintain a safe and healthy working environment for miners by preventing the buildup of toxic gases, dust, and heat. In summary, steel pipes are indispensable in the mining and extraction of minerals. They are used for transporting water, slurry, and other fluids, providing structural support in underground mines, and facilitating ventilation systems. Without steel pipes, the efficient and safe extraction of minerals from mines would be significantly hindered.

Q: Seamless steel pipe is how to do it?: Round tube has some limitations, such as in the plane bending conditions, the tube is better than square and rectangular tube bending strength, and some agricultural machinery skeleton, steel, wood furniture, commonly used square, rectangular tube. According to different purposes, other sections of special-shaped steel pipe are needed.

Q: How do you select the right size of steel pipe for a project?: To select the right size of steel pipe for a project, it is important to consider factors such as the desired flow rate, pressure requirements, fluid type, and the overall structural design. Consulting relevant design codes and standards, performing calculations based on these parameters, and seeking expert advice can help ensure the appropriate size is chosen to meet the project's specific needs.

Q: How do you determine the pipe schedule for steel pipes?: Several factors, including pressure rating, wall thickness, and outer diameter, are taken into account to determine the pipe schedule for steel pipes. The pipe schedule serves as a standardized system that classifies the thickness of pipe walls, ensuring compatibility and safety in various applications. To ascertain the pipe schedule for steel pipes, one must consider the maximum pressure the pipe will endure, typically measured in pounds per square inch (psi) or bars. The pressure rating indicates the pipe's ability to withstand pressure without experiencing failure or leakage. Higher pressure ratings necessitate thicker pipe walls. Another crucial factor in determining the pipe schedule is the wall thickness, typically expressed in inches or millimeters. The wall thickness directly correlates with the pressure rating, as thicker walls have the capacity to handle higher pressures. The American National Standards Institute (ANSI) has established a set of standardized wall thicknesses for steel pipes known as the "pipe schedule." The outer diameter of the pipe is also taken into consideration when determining the pipe schedule. The specific application and requirements influence the outer diameter variation. Selecting a pipe with the appropriate outer diameter is essential to ensure proper fit and compatibility with fittings, valves, and other components. In conclusion, the pipe schedule for steel pipes is determined by examining the maximum pressure, wall thickness, and outer diameter. By aligning these factors with the suitable pipe schedule, one can guarantee that the steel pipe is appropriate for its intended usage and capable of withstanding the required pressure.

Q: What are the different types of steel pipe fittings?: There are various types of steel pipe fittings, including elbows, tees, reducers, couplings, unions, plugs, caps, and flanges.

Q: How are steel pipes connected or joined together?: Steel pipes are typically connected or joined together using various methods such as welding, threading, flanges, or couplings.

Q: Can steel pipes be used for signposts or street lighting poles?: Yes, steel pipes can be used for signposts or street lighting poles. Steel is a strong and durable material that can withstand outdoor conditions and support the weight of signs or lighting fixtures. It is commonly used in construction for such purposes due to its strength and longevity.

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