Kinds of carbon steel square rectangular tube
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 10 m.t.
- Supply Capability:
- 9500 m.t./month
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Specification
1、Structure of Kinds of carbon steel square rectangular tube
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 carbon steel square rectangular tube:
• High manufacturing accuracy
• High strength
• Small inertia resistance
• Strong heat dissipation ability
• Good visual effect
• Reasonable price
3、 Kinds of Kinds of carbon steel square rectangular tube：
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 carbon steel square rectangular tube:
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 low carbon square rectangular tube Images：
- Q: What is the theoretical weight per square meter of the steel pipe diameter of the outer frame and the thickness of the tube wall 3mm 48mm?
- Dimensions of ordinary steel tubes (taken from GB/T 17395-1998)The theory of weight / (kg/m) | wall thickness (2.9 3.0mm: 3.33)
- Q: What is the maximum diameter of steel pipes?
- The maximum diameter of steel pipes can vary depending on the specific needs and requirements of a project. However, steel pipes are commonly available in diameters ranging from 1/8 inch to 72 inches or even larger.
- Q: What are the safety precautions to follow while working with steel pipes?
- To ensure a safe working environment when dealing with steel pipes, it is crucial to adhere to specific safety measures. Consider the following key precautions: 1. Personal Protective Equipment (PPE): Always wear appropriate PPE, such as safety goggles, gloves, steel-toed boots, and a hard hat. This will shield you from potential hazards like falling objects, sharp edges, or flying particles. 2. Practice proper lifting methods: Given that steel pipes can be heavy and unwieldy, employ correct lifting techniques like bending your knees and utilizing your leg muscles to avoid straining your back or causing musculoskeletal injuries. 3. Secure the work area: Eliminate any clutter or obstacles in the work area that may present a tripping hazard. Ensure that the pipes are stored and secured adequately to prevent rolling or falling. 4. Exercise caution around sharp edges: Steel pipes often possess sharp edges that can cause cuts or punctures. Handle them with care and consider using protective covers or gloves to prevent injuries. 5. Utilize appropriate tools: Use the correct tools and equipment for cutting, welding, or manipulating steel pipes. Adhere to manufacturer instructions and guidelines to ensure safe usage. 6. Avoid working in confined spaces: Working in cramped areas presents significant risks. If necessary, ensure proper ventilation and adhere to confined space entry protocols to prevent asphyxiation or other hazards. 7. Adhere to proper welding procedures: When welding is involved, follow appropriate welding procedures and guarantee adequate ventilation in the workspace. Employ fire-resistant blankets or screens to protect nearby combustible materials. 8. Be cautious of hot surfaces: Steel pipes can become hot during welding or other processes. Utilize appropriate insulation or heat-resistant gloves to safeguard yourself against burns or heat-related injuries. 9. Establish effective communication: Establish clear channels of communication with colleagues, especially during tasks like lifting or moving heavy objects. Use hand signals or verbal communication to ensure everyone is on the same page and to prevent accidents. 10. Regularly inspect tools and equipment: Before commencing any task, inspect tools, equipment, and scaffolding for damages or defects. Report and replace any faulty equipment to prevent accidents. Always prioritize safety when working with steel pipes. By adhering to these precautions and using common sense, you can guarantee a safe working environment for yourself and your colleagues.
- Q: How are steel pipes resistant to corrosion?
- Steel pipes are resistant to corrosion due to a combination of factors. Firstly, steel pipes are often coated with a protective layer, such as zinc or epoxy, which acts as a barrier between the steel and the surrounding environment. This coating prevents moisture and other corrosive substances from coming into contact with the steel, reducing the chances of corrosion. Additionally, the composition of steel itself plays a role in its corrosion resistance. Steel is primarily made up of iron, with small amounts of other elements added to enhance its strength and durability. These elements, such as chromium and nickel, create a protective oxide layer on the surface of the steel. This oxide layer acts as a natural barrier, preventing the underlying steel from being exposed to moisture and oxygen, which are key contributors to corrosion. Furthermore, steel pipes can be treated through a process called galvanization, where a layer of zinc is applied to the surface. This zinc coating provides an extra layer of protection against corrosion, as zinc is highly resistant to rust and oxidation. The zinc sacrificially corrodes instead of the steel, further extending the lifespan of the pipe. Overall, the combination of protective coatings, the composition of steel, and galvanization processes all contribute to the corrosion resistance of steel pipes. This makes them highly durable and suitable for various applications, including plumbing, construction, and transportation of fluids and gases.
- Q: What is the difference between ERW (Electric Resistance Welded) and LSAW (Longitudinal Submerged Arc Welded) steel pipes?
- ERW (Electric Resistance Welded) steel pipes are manufactured by passing an electric current through the steel strip or plate to generate heat, which results in the fusion of the edges together to form a pipe. On the other hand, LSAW (Longitudinal Submerged Arc Welded) steel pipes are produced by submerging the steel plate or strip into a molten bath of welding flux and then initiating the welding process. The main difference between ERW and LSAW steel pipes lies in their manufacturing processes and the resulting pipe structure. ERW pipes have a longitudinal seam along their length, created by the fusion of the edges, while LSAW pipes have a single longitudinal seam that is formed by the submerged arc welding process. This difference in welding techniques gives LSAW pipes a higher degree of dimensional accuracy and stability, making them suitable for applications that require precise measurements and strong structural integrity. Additionally, LSAW pipes have a larger diameter range and can be produced in larger sizes compared to ERW pipes. This makes LSAW pipes well-suited for conveying large volumes of fluid or gas, such as in oil and gas pipelines. Conversely, ERW pipes are commonly used in applications that require smaller sizes and lower pressure requirements, such as water supply systems or structural applications. In summary, the main differences between ERW and LSAW steel pipes lie in their manufacturing processes, resulting pipe structure, size capabilities, and applications.
- Q: What does "DN25 PN16" mean?
- PN said the pressure is, PN16 is the pipe can withstand 16MPa general meaning, namely, an 16 kg.
- Q: What is an electric welded pipe (EFW)? Seek help！
- According to the operation requirements of the electric welding machine, connect the lead wire and set up the proper welding parameter of the electric welding machine, which can be operated by manual or automatic two input methods.After checking, start the electric welding machine and enter the welding process. When the welding time is reached, the machine will automatically enter the cooling state.When the pipe completely removed after cooling, electric fusion welding machine.Cutting the pipe with the cutting tool of plastic pipe or fine toothed saw with cutting guide device, and making its end face perpendicular to the axis of pipe. Remove the edges of the edges with a knife, scrape the weld area in the pipe or spigot end and clean the weld area.Should use the special fixture as far as possible to secure the components to be connected, and the roundness of the pipe shall not exceed 1.5% of the outer diameter of the pipe, or it should be corrected on the corresponding fixture.
- Q: How are steel pipes transported?
- Steel pipes can be transported through different means depending on their size, weight, and the distance they need to cover. The primary modes of transportation for steel pipes are trucks, trains, and ships. For shorter distances, trucks are often used to transport steel pipes. The pipes are loaded onto flatbed or specialized trailers designed to securely hold and transport them. Trucks are convenient for transporting steel pipes to nearby locations or construction sites, as they can easily navigate local roads and highways. For longer distances, trains are the preferred mode of transportation. Steel pipes are loaded onto flatcars, which are specifically designed to carry heavy loads. Trains offer a cost-effective and efficient means of transporting large quantities of steel pipes over long distances. They can accommodate pipes of various lengths and diameters, making them a versatile option. When it comes to international shipments or transportation over bodies of water, ships are commonly used. Steel pipes can be loaded into shipping containers or onto the deck of cargo ships. Shipping containers provide protection from weather conditions and ensure the pipes remain secure during transit. Specialized ships equipped with cranes can handle large and heavy pipes, making the transportation of oversized steel pipes possible. In certain cases, pipelines can be constructed to transport steel pipes directly from the manufacturing facility to the desired location. This method is commonly used for oil, gas, or water pipelines. By laying the pipes underground, the need for separate transportation is eliminated. Overall, the transportation of steel pipes involves a range of methods, including trucks, trains, ships, and pipelines. The choice of method depends on factors such as distance, quantity, and project requirements. Each method offers its own advantages and is selected based on considerations such as cost, efficiency, and logistics.
- Q: What are the safety measures to consider when working with steel pipes?
- When working with steel pipes, it is important to follow specific safety measures to ensure a safe working environment. Some key safety measures to consider include wearing appropriate personal protective equipment (PPE) such as gloves, safety glasses, and steel-toed boots to protect against potential injuries. Additionally, workers should be cautious of sharp edges and use tools designed for cutting and handling steel pipes. It is crucial to secure pipes properly to prevent accidents caused by falling or rolling pipes. Lastly, workers should be trained on proper lifting techniques to avoid strain or injury when handling heavy steel pipes.
- Q: What is the difference between seamless and welded steel pipes?
- The main difference between seamless and welded steel pipes lies in their manufacturing process. Seamless pipes are made by piercing a solid billet of steel, while welded pipes are formed by rolling steel sheets and then welding them together. This difference in production methods results in varying levels of strength, durability, and cost. Seamless pipes are generally stronger and more reliable, as they have no welded seams that can weaken the pipe. However, they are also more expensive to produce. On the other hand, welded pipes are more cost-effective but may have weaker points at the welded seams. Ultimately, the choice between seamless and welded steel pipes depends on the specific application and requirements of the project.
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Kinds of carbon steel square rectangular tube
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 10 m.t.
- Supply Capability:
- 9500 m.t./month
OKorder Service Pledge
OKorder Financial Service
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