Kinds of square rectangular pipe for steel structure
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 9 m.t.
- Supply Capability:
- 18000 m.t./month
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Item specifice
1、Structure of Kinds 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 Kinds 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、 Kinds of 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 Kinds 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、 Kinds of square rectangular pipe for steel structure Images：
- Q:How are steel pipes threaded?
- Threading, a process that involves creating screw-like grooves on the outer surface of steel pipes, enables their connection to other pipes or fittings using threaded connections. Steel pipes can be threaded through various methods, including manual threading, electric threading machines, and hydraulic threading machines. Manual threading employs a handheld pipe threading tool called a die. The die is positioned on the outside of the pipe, and while pressure is applied, the pipe is rotated to generate the threads. This technique is suitable for smaller diameter pipes and is commonly used for on-site repairs or in smaller operations. For larger diameter pipes, electric threading machines are commonly used. These machines consist of a motor-driven spindle that rotates the pipe and a die head that houses the threading dies. The operator simply feeds the pipe into the machine, and the threading dies automatically cut the threads onto the pipe. Hydraulic threading machines, similar to electric threading machines, utilize hydraulic power to rotate the pipe and create the threads. These machines are typically employed for larger diameter pipes or heavy-duty applications. Irrespective of the method employed, it is crucial to properly prepare the pipe before threading. This may involve cleaning the pipe, eliminating any burrs or sharp edges, and applying a lubricant to minimize friction during the threading process. In conclusion, threading is a widely used and efficient technique for establishing threaded connections on steel pipes. It facilitates easy assembly and disassembly of pipes and fittings, making it a popular choice in industries such as plumbing, construction, and oil and gas.
- Q:Is the steel frame on each floor supporting formwork (floor) called full scaffolding?
- The scaffold is also called full house scaffolding is a construction process for building a scaffold. Hall scaffolding relative to other scaffolding system density, that is, the house full of shelves. The full scaffolding is more secure than the rest of the scaffolding.
- Q:Can steel pipes be threaded?
- Yes, steel pipes can be threaded. Threading is a common process used to create screw-like ridges on the ends of the steel pipes, allowing them to be easily connected to fittings or other pipes.
- Q:How are steel pipes repaired if they are damaged?
- Steel pipes can be repaired if they are damaged by various methods such as welding, pipe lining, or using repair clamps. The chosen repair method depends on the extent and type of damage to the pipe.
- Q:Can steel pipes be used for steam distribution?
- Yes, steel pipes can be used for steam distribution. Steel pipes are known for their high strength and durability, making them suitable for carrying steam at high temperatures and pressures. Additionally, steel pipes have excellent thermal conductivity, allowing for efficient heat transfer during steam distribution.
- Q:Can steel pipes be used for underground cable protection?
- Yes, steel pipes can be used for underground cable protection. Steel pipes offer durability, strength, and corrosion resistance, making them suitable for protecting cables from external factors such as moisture, chemicals, and physical damage. Additionally, steel pipes can be coated or galvanized to provide further protection against rust and corrosion.
- Q:Are steel pipes suitable for oil and petroleum applications?
- Due to their exceptional strength, durability, and resistance to corrosion, steel pipes find extensive use in oil and petroleum applications. With the ability to endure high pressure and extreme temperatures, these pipes are ideal for the long-distance transportation of oil and petroleum. Moreover, steel pipes possess the added advantage of being able to withstand impact and vibrations, both prevalent in the oil and petroleum industry. Furthermore, their ease of welding and connecting facilitates efficient and cost-effective installation. In summary, steel pipes are the favored option for oil and petroleum applications, guaranteeing the secure and efficient conveyance of these valuable resources.
- Q:Is there a weld on the outer wall of seamless steel tube?
- Seamless steel pipe's inner wall, outer wall, section, cross section can not see the weld seam. Because seamless steel pipe is a molding product, no late roll pressure, welding and other processes. No section, inner wall, outer wall or section, as long as there is weld, it is not seamless steel tube. The inner wall can not see the outer wall of welding seam, but it can be seen that the weld products are fake or polished goods. Some products can not be seen without friction and have weld seams on the outside wall. They are seamless treated steel tubes and are polished goods. The price is much different from the real seamless steel tube. Some bad wounding, confusing concepts, earn illegal profits.
- Q:How are steel pipes used in the construction of railways?
- Steel pipes are commonly used in the construction of railways for various purposes. They are primarily used in the fabrication of track structures, such as track supports, bridge components, and culverts. Steel pipes provide strength, durability, and resistance to external factors like corrosion and extreme weather conditions. They are also used for the transportation of fluids, such as water or fuel, within the railway infrastructure, ensuring efficient operation and maintenance of the system.
- Q:How do you calculate the maximum allowable deflection for steel pipes?
- To calculate the maximum allowable deflection for steel pipes, you need to consider various factors such as the pipe diameter, material properties, support conditions, and the desired level of deflection. The maximum allowable deflection is typically determined based on industry standards and codes. One commonly used method for calculating the maximum allowable deflection is based on the pipe's span-to-diameter ratio (L/D ratio). The L/D ratio is the ratio of the pipe's span (distance between supports) to its diameter. Several industry codes provide guidelines on the maximum allowable deflection based on the L/D ratio. For example, the American Society of Mechanical Engineers (ASME) B31.1 Power Piping Code suggests that for carbon steel pipes, the maximum allowable deflection should not exceed 3% of the pipe's span for an L/D ratio of 100 or less. However, for higher L/D ratios, the deflection limit decreases, ensuring the pipe's stability and structural integrity. To calculate the maximum allowable deflection using the L/D ratio method, you would first determine the L/D ratio based on the span and diameter of the pipe. Then, referring to the applicable code or standard, you can find the corresponding maximum allowable deflection limit. It is important to note that other factors such as the pipe material's yield strength, wall thickness, and the type of loading (e.g., dead load, live load) also influence the maximum allowable deflection. Therefore, it is crucial to consult the relevant industry standards, codes, and engineering principles to accurately calculate the maximum allowable deflection for steel pipes.
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Kinds of square rectangular pipe for steel structure
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 9 m.t.
- Supply Capability:
- 18000 m.t./month
OKorder Service Pledge
OKorder Financial Service
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