Kinds of low carbon square rectangular tube
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 15 m.t.
- Supply Capability:
- 9500 m.t./month
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OKorder Financial Service
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Item specifice
1、Structure of Kinds of low carbon 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 low carbon square rectangular tube:
• High manufacturing accuracy
• High strength
• Small inertia resistance
• Strong heat dissipation ability
• Good visual effect
• Reasonable price
3、 Kinds of low carbon square rectangular tubeSpecification：
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 low carbon 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 role of steel pipes in the transportation of petroleum products?
- Steel pipes have a crucial function in the transportation of petroleum products, as they are specifically designed to endure the high pressure and extreme temperatures associated with oil and gas transportation. A primary responsibility of steel pipes in this process is to serve as a dependable and secure conduit for transporting petroleum products over long distances. They are utilized to construct pipelines that span hundreds or even thousands of miles, connecting oil fields, refineries, and distribution centers. Steel pipes are the preferred choice for this purpose because of their strength, durability, and resistance to corrosion. The high tensile strength of steel allows these pipes to withstand the immense pressure exerted by petroleum products as they flow through the pipelines. Additionally, steel pipes can endure extreme temperatures, ensuring the safe transportation of hot crude oil or refined petroleum products. Moreover, steel pipes possess a high resistance to corrosion, which is of utmost importance given the corrosive nature of petroleum products. To further enhance their corrosion resistance, the pipes are often coated with protective materials such as epoxy or polyethylene. This coating helps prevent leaks or ruptures that could cause environmental damage or safety hazards. Steel pipes also offer cost-effective and efficient transportation of petroleum products. They have a smooth interior surface, which reduces friction and allows for a more efficient flow of oil or gas. This, in turn, helps minimize energy consumption and maximize the throughput of the pipeline system. In conclusion, the main role of steel pipes in the transportation of petroleum products is to provide a reliable, secure, and efficient means of transporting oil and gas over long distances. They are designed to withstand high pressure, extreme temperatures, and corrosion, ensuring the safe and efficient delivery of petroleum products from production sites to refineries and distribution centers.
- Q:Material of welded steel pipe
- GB/T3091-1993 (galvanized steel pipe for low pressure fluid delivery). Mainly used to transport water, gas, air, oil and heating, hot water or steam, etc. generally lower pressure fluid and other use tube. Its representative material is Q235 grade a steel.
- Q:Can steel pipes be used for heating and cooling systems?
- Yes, steel pipes can be used for heating and cooling systems. They are commonly used in HVAC systems due to their durability, high temperature resistance, and ability to handle high pressure. Steel pipes are suitable for both hot water and steam distribution for heating, as well as chilled water distribution for cooling systems.
- Q:What is the minimum wall thickness for steel pipes?
- The minimum wall thickness for steel pipes depends on several factors, including the intended use of the pipe and the specific industry standards and regulations. In general, the minimum wall thickness is determined by considering factors such as the pipe's diameter, the material strength, and the pressure or load it will be subjected to during operation. For example, in the oil and gas industry, the minimum wall thickness for steel pipes is usually specified by industry standards such as API 5L or ASME B31.3. These standards take into account factors such as the pipe's diameter, the material's yield strength, and the maximum pressure it will be exposed to. In other applications, such as structural or mechanical engineering, the minimum wall thickness for steel pipes is determined based on factors such as the pipe's intended load-bearing capacity, the desired safety factor, and any applicable building codes or regulations. It is important to consult the appropriate industry standards, codes, or regulations to determine the specific minimum wall thickness requirements for steel pipes in a given application.
- Q:How do you calculate the pipe flow rate coefficient for steel pipes?
- To calculate the pipe flow rate coefficient for steel pipes, you can use the Darcy-Weisbach equation, which takes into account the pipe diameter, length, roughness factor, and the fluid properties such as viscosity and density. By rearranging the equation and solving for the flow rate coefficient, you can determine the value using empirical correlations or by conducting experimental tests under controlled conditions.
- Q:What are the safety precautions to follow when working with steel pipes?
- When working with steel pipes, it is important to follow several safety precautions to ensure the well-being of yourself and those around you. These precautions include: 1. Personal Protective Equipment (PPE): Always wear the appropriate PPE when working with steel pipes. This includes safety glasses, gloves, steel-toed boots, and a hard hat. PPE helps protect you from potential hazards such as flying debris, falling objects, and sharp edges. 2. Proper Lifting Techniques: Steel pipes can be heavy and awkward to handle. Always use proper lifting techniques to avoid strain or injury. Bend your knees, keep your back straight, and use your legs to lift the pipes. If a pipe is too heavy to lift on your own, ask for assistance or use mechanical lifting equipment. 3. Secure Working Area: Ensure that the work area is clean, organized, and free from tripping hazards. Keep the floor clear of tools, debris, and other obstructions that may cause accidents. Additionally, barricade or cordon off the work area to prevent unauthorized access and ensure the safety of others. 4. Use Proper Tools and Equipment: Use the right tools and equipment for the job. This includes using wrenches, pipe cutters, and clamps designed specifically for steel pipes. Using improper tools can lead to accidents, damage to the pipes, or faulty connections. 5. Proper Storage: Store steel pipes in a secure and organized manner to prevent them from falling or rolling onto someone. Stack the pipes in a stable position, and use racks or supports to ensure they are not at risk of toppling over. 6. Secure Connections: When joining steel pipes, ensure that the connections are properly secured. This includes using appropriate fittings, tight fasteners, and following the recommended torque specifications. Loose or improperly secured connections can result in leaks, bursts, or other failures. 7. Proper Ventilation: If working in an enclosed space, ensure adequate ventilation to prevent the buildup of harmful gases or fumes. Welding or cutting steel pipes can release hazardous gases, so make sure the area is properly ventilated or use respiratory protection if necessary. 8. Fire Safety: Steel pipes can become extremely hot during welding or cutting processes. Have fire extinguishers readily available and know how to use them. Clear any flammable materials from the work area and be cautious of sparks or open flames. 9. Regular Inspections: Regularly inspect steel pipes for signs of damage, such as cracks, rust, or degradation. Replace any damaged or compromised pipes to avoid potential failures or accidents. By following these safety precautions, you can minimize the risks associated with working with steel pipes and ensure a safe working environment. Remember, safety should always be the top priority.
- Q:How do you connect steel pipes together?
- To connect steel pipes together, there are several methods commonly used in various industries. One commonly used method is welding. Welding involves heating the ends of the steel pipes and then joining them together using a welding rod or wire. This method creates a strong and durable connection that is capable of withstanding high pressures and temperatures. Another method is threading, where threads are cut into the ends of the steel pipes. These threaded ends can then be screwed together using pipe fittings such as couplings or unions. Threading is commonly used for smaller diameter pipes and is advantageous as it allows for easy disassembly and reassembly of the pipes. Flanges can also be used to connect steel pipes together. Flanges are flat, circular discs with holes in them that can be bolted together. They provide a strong and secure connection, especially for large diameter pipes or pipes that need to be easily disconnected for maintenance or repairs. Pipe fittings such as couplings, tees, elbows, or reducers can also be used to connect steel pipes together. These fittings are typically made of steel or other materials and are designed to be welded, threaded, or connected using other methods like grooving or compression. It's important to note that the method used to connect steel pipes together will depend on various factors such as the pipe size, the application, the required strength, and the specific industry standards or codes that need to be followed. Therefore, it's essential to consult with a qualified professional or refer to industry-specific guidelines when choosing the appropriate method for joining steel pipes.
- Q:How are steel pipes used in the manufacturing of storage tanks?
- Steel pipes are commonly used in the manufacturing of storage tanks as they provide structural strength and durability. These pipes are used to create the framework or skeleton of the tank, providing support and stability to hold large volumes of liquid or gas. Additionally, steel pipes are often used for the inlet and outlet connections, as well as for internal piping systems that allow for the transportation of substances within the tank. Overall, steel pipes play a crucial role in ensuring the integrity and functionality of storage tanks in various industries.
- 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.
- Q:What is the difference between seamless steel pipes and seamless stainless steel pipes?
- The main difference between seamless steel pipes and seamless stainless steel pipes lies in their composition. Seamless steel pipes are typically made from carbon steel, which is an alloy of iron and carbon. On the other hand, seamless stainless steel pipes are made from an alloy of iron, carbon, and chromium, which gives them enhanced corrosion resistance and durability. This makes seamless stainless steel pipes suitable for applications where resistance to corrosion is essential, such as in the food industry or in environments with high humidity or exposure to chemicals.
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Kinds of low carbon square rectangular tube
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 15 m.t.
- Supply Capability:
- 9500 m.t./month
OKorder Service Pledge
OKorder Financial Service
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