square rectangular pipe for steel structure
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 10 m.t.
- Supply Capability:
- 18000 m.t./month
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Specification
1、Structure of square rectangular pipe for steel 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 rectangular pipe for steel structure:
• High manufacturing accuracy
• High strength
• Small inertia resistance
• Strong heat dissipation ability
• Good visual effect
• Reasonable price
3、 Square rectangular pipe for steel structure：
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 rectangular pipe for steel 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 Square rectangular pipe for steel structure Images：
- Q: What is the difference between steel pipes and PVC-U pipes?
- Steel pipes are made of a durable and strong material, while PVC-U pipes are made of a plastic material. Steel pipes are typically used for high-pressure and heavy-duty applications, as they can withstand harsh conditions and have a longer lifespan. PVC-U pipes, on the other hand, are lighter in weight, easier to handle, and resistant to corrosion and chemicals. They are commonly used for low-pressure applications and are more cost-effective.
- Q: What are the different methods of pipe coating for steel pipes?
- Steel pipes can be coated using various methods, each with its own benefits and uses. One widely used technique is fusion bonded epoxy (FBE) coating. This involves heating the steel pipe and applying a thermosetting powder that melts and sticks to the surface, resulting in a robust and long-lasting coating. FBE coating is excellent for preventing corrosion and is commonly employed in the oil and gas industry. Another method is liquid epoxy coating, where a liquid epoxy resin is applied to the steel pipe's surface. Once it cures, it forms a protective barrier. Liquid epoxy coating is suitable for smaller pipes and provides good resistance to chemicals. Polyethylene (PE) coating is a popular option, especially for pipes that will be buried underground. It involves wrapping the steel pipe with a layer of polyethylene, which offers exceptional resistance against water, chemicals, and abrasion. Polyurethane (PU) coating is another choice, known for its high chemical resistance and flexibility. It is often used in offshore applications and extreme temperature environments. Other pipe coating methods include coal tar enamel (CTE) coating, which provides excellent water and chemical resistance, and concrete weight coating, which adds weight to the pipe for stability in underwater or subsea applications. To summarize, the available methods for coating steel pipes include fusion bonded epoxy (FBE), liquid epoxy, polyethylene (PE), polyurethane (PU), coal tar enamel (CTE), and concrete weight coating. The selection of a coating method depends on specific requirements, such as corrosion protection, chemical resistance, or stability.
- Q: How do steel pipes perform in high-altitude applications?
- Steel pipes perform well in high-altitude applications due to their strong structural integrity and resistance to extreme weather conditions. They can withstand the low temperatures and high winds commonly found at high altitudes without compromising their performance or durability. Additionally, steel pipes have excellent corrosion resistance, making them suitable for areas with high humidity or exposure to moisture. Overall, steel pipes are a reliable choice for high-altitude applications due to their strength, resilience, and ability to withstand harsh environmental factors.
- 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: How long is the seamless tube?
- Welded pipe is generally 6912 meters fixed length, seamless pipe on the market in general non fixed foot, but usually more than 6 meters
- Q: How are steel pipes repaired in case of damage or leaks?
- Steel pipes can be repaired in case of damage or leaks through various methods. One common approach is to use a process called welding. Welding involves melting a filler material together with the damaged or leaking area of the pipe, creating a strong bond that seals the leak. This method is effective for small to moderate-sized leaks and is widely used in industries such as oil and gas, plumbing, and construction. Another method is to use mechanical couplings. These couplings are designed to join two sections of pipe together, providing a tight and secure connection. They can be used to repair damaged or leaking sections of a steel pipe by cutting out the damaged area and replacing it with a new section, which is then connected using the mechanical coupling. This method is particularly useful for larger leaks or damaged sections that cannot be repaired through welding. In some cases, a temporary fix may be applied using pipe clamps or epoxy compounds. Pipe clamps are used to tightly seal the damaged area, preventing further leakage. Epoxy compounds, on the other hand, are applied directly to the damaged or leaking area, creating a seal that temporarily stops the leak until a more permanent repair can be made. It is important to note that the method of repair will depend on the severity and location of the damage or leak, as well as the specific requirements of the application. In some instances, it may be necessary to replace the entire section of the steel pipe if the damage is extensive or if multiple leaks are present. Consulting with a professional or a specialized pipe repair service is recommended to determine the most appropriate repair method for a specific situation.
- Q: Are steel pipes suitable for desalination plants?
- Yes, steel pipes are suitable for desalination plants. Steel pipes offer several advantages that make them a suitable choice for desalination plants. Firstly, steel pipes are highly resistant to corrosion, which is crucial in desalination plants where the presence of saltwater can be highly corrosive. The corrosion resistance of steel pipes ensures the longevity and durability of the infrastructure, reducing maintenance and replacement costs. Secondly, steel pipes have high strength and can withstand high-pressure conditions, which are often required in desalination plants. The ability of steel pipes to handle high-pressure water flow without any deformations or leaks ensures the efficient and reliable operation of the desalination process. Furthermore, steel pipes have excellent heat resistance properties, making them suitable for desalination plants that often involve heat-intensive processes such as distillation or reverse osmosis. Steel pipes can withstand high temperatures without any structural damage, ensuring the safe and efficient transfer of heated water or steam. In addition, steel pipes are readily available and have a wide range of sizes and specifications, allowing for flexibility in design and construction of desalination plants. This availability and versatility make steel pipes a cost-effective choice for desalination projects. Overall, due to their corrosion resistance, high strength, heat resistance, availability, and cost-effectiveness, steel pipes are highly suitable for desalination plants and are widely used in the industry.
- Q: Are steel pipes resistant to chemicals and corrosion?
- Yes, steel pipes are generally resistant to chemicals and corrosion. Steel pipes are often coated with protective layers such as zinc or epoxy to enhance their resistance to corrosion. These coatings act as a barrier, preventing chemicals from coming into direct contact with the steel and reducing the risk of corrosion. Additionally, steel itself has inherent corrosion-resistant properties, making it a suitable material for many applications where exposure to chemicals and corrosive elements is common. However, it is important to note that the level of resistance may vary depending on the specific type of steel, the coating used, and the specific chemicals or corrosive substances involved. Therefore, it is advisable to consult with experts and consider the specific requirements of the intended application to ensure the appropriate choice of steel and protective measures are taken to maximize resistance to chemicals and corrosion.
- Q: What are the different types of steel pipe coatings for chemical processing plants?
- There are several types of steel pipe coatings commonly used in chemical processing plants, including epoxy, polyethylene, polyurethane, and fusion-bonded epoxy (FBE) coatings. Each coating offers different benefits such as corrosion resistance, chemical resistance, and enhanced durability, which are crucial for protecting steel pipes against the harsh conditions and corrosive substances found in chemical processing plants.
- Q: How are steel pipes used in construction?
- Steel pipes are commonly used in construction for various purposes such as structural support, plumbing, and transportation of fluids and gases. They are used in building frameworks, bridges, and underground infrastructure, providing strength, durability, and flexibility. Steel pipes are often employed in plumbing systems for water supply and drainage. Additionally, they serve as conduits for conveying gas, oil, and other substances. Their versatility and strength make steel pipes an essential component in modern construction projects.
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square rectangular pipe for steel structure
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 10 m.t.
- Supply Capability:
- 18000 m.t./month
OKorder Service Pledge
OKorder Financial Service
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