Square tube and rectangular tube for building structure
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT or LC
- Min Order Qty:
- 18 m.t.
- Supply Capability:
- 12000 m.t./month
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1、Structure of Square tube and rectangular tube for building structure :
Square tube, square tube is a kind of call and rectangular tube, is equal and not equal to the length of steel pipe. Is the strip through the process of processing roll system. In general is the strip through the demolition of the package, flat, curly, welded to form a circular tube, and then rolled into a square tube and then cut into a square tube and then cut into the required length.
2、Main Features of Square tube and rectangular tube for building structure :
• High manufacturing accuracy
• High strength
• Small inertia resistance
• Strong heat dissipation ability
• Good visual effect
• Reasonable price
3、 Square tube and rectangular tube for building structure Specification：
Standard | GB, DIN, ASTM |
Grade | 10#-45#, 16Mn 10#, 20#, 45#, 16Mn |
Thickness | 1.5 - 25 mm |
Section Shape | Square and rectangular |
Outer Diameter | 20*20 mm-------400*400mm 20*30mm*300*500mm |
Place of Origin | Tianjin, China (Mainland) |
Length | 3-12M |
Outer Diameter | 20*20 mm-------400*400mm 20*30mm*300*500mm |
Grade | 235B 345B |
Standard | ASME, ASTM |
1) Material:(ASTM A 106/A53 GRB.API5LGRB,GB,235B,345B
2) Specification range:OD: 20*30mm----300*500mm 20*20 mm---400*400mm ,WT: 1.5 - 25 mm ,length:3-12m or according to the requirement of clients.
3) Excutive standards:GB,ASME API5L.ASTM A 106/A53,Despite of the above
4) Surface:black lacquered,varnish coating or galvanized.
5) Ends:Beveled or square cut ,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 Square tube and rectangular tube for building structure :
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、Seamless Pipe ASTM A106/53 Images：
- Q: Can steel pipes be used for wastewater disposal?
- Yes, steel pipes can be used for wastewater disposal. Steel pipes are commonly used in wastewater systems due to their durability, strength, and resistance to corrosion. They can handle the high pressure and flow rates often associated with wastewater and can effectively transport it to treatment plants or other disposal points. Additionally, steel pipes can be coated or lined with materials that provide extra protection against corrosion or chemical reactions with the wastewater, further increasing their longevity and effectiveness in wastewater disposal.
- Q: Can steel pipes be used for structural supports?
- Yes, steel pipes can be used for structural supports. Steel pipes are strong, durable, and have high load-bearing capacity, making them suitable for providing structural support in various applications such as buildings, bridges, and infrastructure projects.
- Q: How are steel pipes used in the defense sector?
- Steel pipes are used in the defense sector for various purposes such as constructing military infrastructure, including bunkers, underground facilities, and missile silos. They are also utilized in the manufacturing of military vehicles, weapons systems, and equipment. Steel pipes provide strength, durability, and resistance to extreme conditions, making them ideal for applications in the defense sector.
- Q: What is the compressive strength of steel pipes?
- The compressive strength of steel pipes can vary depending on various factors such as the grade of steel, the manufacturing process, and the dimensions of the pipes. However, on average, steel pipes have a compressive strength ranging from 250 MPa (megapascals) to 650 MPa. The higher the grade of steel used in the pipe, the higher its compressive strength tends to be. Additionally, larger diameter pipes usually have a higher compressive strength compared to smaller diameter pipes. It is important to note that the compressive strength of steel pipes can also be influenced by factors such as temperature, corrosion, and external loads. Therefore, it is crucial to consult the specific standards, specifications, or manufacturer's data for accurate and detailed information on the compressive strength of a particular steel pipe.
- Q: How are steel pipes used in wastewater treatment plants?
- Steel pipes are extensively used in wastewater treatment plants for various purposes such as transporting wastewater, carrying chemicals, and supporting infrastructure. These pipes are durable, corrosion-resistant, and can withstand high pressure, making them ideal for conveying wastewater and other fluids within the plant. Additionally, steel pipes are often used in the construction of wastewater treatment plant structures and support systems due to their strength and longevity.
- Q: How are steel pipes tested for leaks?
- Steel pipes are typically tested for leaks using various methods such as hydrostatic testing, pneumatic testing, or advanced technologies like ultrasonic testing. In hydrostatic testing, the pipe is filled with water or another liquid, and pressure is applied to check for any leaks. Pneumatic testing involves using compressed air or gas to pressurize the pipe and identify potential leaks. Ultrasonic testing employs high-frequency sound waves to detect any leaks or flaws in the steel pipes. These testing methods ensure the integrity and quality of steel pipes before they are put into use.
- Q: What are the different types of steel pipe couplings?
- There are several different types of steel pipe couplings available in the market, each designed to suit specific applications and requirements. Some of the most common types include: 1. Threaded Coupling: This type of coupling has threaded ends that allow for easy installation and removal. It is commonly used for low-pressure applications and can be used with both threaded and non-threaded pipes. 2. Compression Coupling: Compression couplings are designed to provide a secure and leak-proof connection between two pipes. They consist of two pieces that are tightened together using compression nuts or sleeves, creating a tight seal. 3. Slip-On Coupling: A slip-on coupling is a simple and easy-to-install option that slides onto the pipe ends and is secured in place using welding or bolting. It is commonly used for joining pipes with plain ends and is suitable for both high and low-pressure applications. 4. Grooved Coupling: Grooved couplings have a groove on both pipe ends, which allows them to be connected using a rubber gasket and coupling housing. This type of coupling provides a reliable and flexible connection that can compensate for minor misalignments and vibrations. 5. Flanged Coupling: Flanged couplings consist of two flanges that are bolted together, sandwiching a gasket between them. This type of coupling is commonly used for high-pressure applications and is known for its strength and reliability. 6. Welded Coupling: Welded couplings are permanently joined to the pipe ends using a welding process. This type of coupling provides a strong and durable connection that is resistant to leaks and vibrations. These are just a few examples of the different types of steel pipe couplings available. The choice of coupling depends on factors such as the type of pipe, application requirements, and the desired level of strength and flexibility. It is important to select the appropriate coupling to ensure a secure and reliable connection between pipes.
- Q: How do you calculate the pressure drop in a steel pipe?
- To calculate the pressure drop in a steel pipe, you need to consider several factors such as the diameter and length of the pipe, the flow rate of the fluid, and the properties of the fluid itself. One commonly used equation to calculate the pressure drop in a pipe is the Darcy-Weisbach equation, which is given as: ΔP = (f * (L / D) * (ρ * V^2)) / (2 * D) Where: ΔP is the pressure drop in the pipe f is the Darcy friction factor, which depends on the pipe roughness and Reynolds number L is the length of the pipe D is the diameter of the pipe ρ is the density of the fluid V is the velocity of the fluid To calculate the Darcy friction factor, you can use different methods depending on the flow regime. For laminar flow, you can use the formula f = 16 / Re, where Re is the Reynolds number. For turbulent flow, there are several methods to determine the friction factor, such as the Colebrook equation or the Moody chart. It is important to note that the properties of the fluid, such as its viscosity and density, may vary with temperature and pressure. Therefore, it is necessary to consider these variations when calculating the pressure drop. Additionally, it is worth mentioning that there are other factors that can affect the pressure drop in a steel pipe, such as fittings, valves, and elbows. These factors introduce additional losses, which can be accounted for by using appropriate correction factors or by directly measuring the pressure drop across these components. Overall, calculating the pressure drop in a steel pipe involves using the appropriate equations, considering the properties of the fluid, and accounting for the various factors that may affect the flow. It is recommended to consult relevant engineering handbooks or utilize specialized software for accurate calculations.
- Q: Can steel pipes be used for underground heating systems?
- Yes, steel pipes can be used for underground heating systems. Steel is a durable and robust material that can withstand the pressure and temperature requirements of heating systems. Additionally, steel pipes are resistant to corrosion, which is crucial for underground applications where exposure to moisture and other elements is common.
- Q: What kind of argon arc welding wire is used for 16Mn steel pipe?
- 16Mn steel weldability is very good, general use TIG with J50 welding wire, hand arc welding with J506, J507 and other welding rod
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Square tube and rectangular tube for building structure
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT or LC
- Min Order Qty:
- 18 m.t.
- Supply Capability:
- 12000 m.t./month
OKorder Service Pledge
OKorder Financial Service
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