Rectangular Hot Rolled Steel Pipe With High Quality
- Ref Price:
-
- Loading Port:
- China main port
- Payment Terms:
- TT or LC
- Min Order Qty:
- 100 m.t.
- Supply Capability:
- 10000 m.t./month
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1.Quick Details
Thickness: | 1.0 - 35 mm | Section Shape: | Square | Outer Diameter: | 20*20-600*600 |
Place of Origin: | Shandong China (Mainland) | Secondary Or Not: | Non-secondary | Application: | Structure Pipe |
Technique: | Cold Rolled | Certification: | CE | Surface Treatment: | oil,paint |
Special Pipe: | Thick Wall Pipe | Alloy Or Not: | Non-alloy | Name: | Square Hollow Steel Pipe/Tube |
Shape: | Square/Rectangular | Yield Strength: | 360-380Mpa | Tensile Strength: | 560-580Mpa |
Elongation: | 24-28% | Bend Test: | Qualified | Impact Value: | V-notch |
Grade: | 20#,45#,16Mn,A210,St45,Q235,Q345,Q195,Q215,10#-45#,A53-A369,ST35-ST52,Q195-Q345 | Standard: | JIS G3465-2006,JIS G3466,GB/T 3094 |
2.Specifications
1. OD:15X15-800X800MM,20X30--600X800MM
2. Thick.:1.0--35.0MM
3.FAQ of Rectangular Steel 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.
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.
1.Quick Details
Thickness: | 1.0 - 35 mm | Section Shape: | Square | Outer Diameter: | 20*20-600*600 |
Place of Origin: | Shandong China (Mainland) | Secondary Or Not: | Non-secondary | Application: | Structure Pipe |
Technique: | Cold Rolled | Certification: | CE | Surface Treatment: | oil,paint |
Special Pipe: | Thick Wall Pipe | Alloy Or Not: | Non-alloy | Name: | Square Hollow Steel Pipe/Tube |
Shape: | Square/Rectangular | Yield Strength: | 360-380Mpa | Tensile Strength: | 560-580Mpa |
Elongation: | 24-28% | Bend Test: | Qualified | Impact Value: | V-notch |
Grade: | 20#,45#,16Mn,A210,St45,Q235,Q345,Q195,Q215,10#-45#,A53-A369,ST35-ST52,Q195-Q345 | Standard: | JIS G3465-2006,JIS G3466,GB/T 3094 |
2.Specifications
1. OD:15X15-800X800MM,20X30--600X800MM
2. Thick.:1.0--35.0MM
3.FAQ of Rectangular Steel 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.
②How about price?
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.Guaranteed: If products’ quality don’t accord to discription as we give or the promise before you place order, we promise 100% refund.
③Why should you chose us?
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.
If you have any question, pls feel free to contact us !
4.Rectangular Hot Rolled Steel Tube Image
- Q: What are the different types of supports used for steel pipes in buildings?
- Steel pipes in buildings commonly utilize various types of supports. These supports serve different purposes and are typically made of metal or plastic materials. Firstly, pipe hangers are designed to bear the weight of the pipe. They are securely attached to the building structure and prevent the pipe from sagging or shifting. Pipe clamps, on the other hand, are employed to fasten the pipe to a wall or other structural element. These clamps consist of a metal band that encircles the pipe and is then fixed to the structure using bolts or screws. Their main function is to provide stability and prevent any movement or vibration of the pipe. For distributing the weight evenly and offering additional support, pipe shoes are installed beneath the pipe. These support devices are typically made of metal or rubber and can be attached to the building structure or embedded in concrete foundations. To guide the movement of the pipe and prevent excessive bending or shifting, pipe guides are utilized. These guides, usually composed of metal or plastic, are installed at regular intervals along the length of the pipe. Lastly, pipe rollers are employed to support horizontal pipes and permit expansion and contraction due to temperature changes. Made of metal, these rollers allow the pipe to move freely without causing any harm to the building structure. It is crucial to select the appropriate type of support based on the specific requirements of the steel pipe and the building structure. By properly supporting steel pipes in buildings, their stability, durability, and overall safety are ensured.
- Q: How are steel pipes used in the construction of gas distribution networks?
- Steel pipes are commonly used in the construction of gas distribution networks due to their durability, strength, and resistance to corrosion. These pipes are installed underground to transport natural gas from the source to various distribution points. They are used to create a reliable and efficient network that delivers gas safely to homes, businesses, and industries.
- Q: How are steel pipes protected against external corrosion in coastal areas?
- Steel pipes in coastal areas are protected against external corrosion through various methods. One commonly used method is the application of protective coatings, such as epoxy or polyethylene, which act as a barrier between the steel surface and the corrosive elements in the coastal environment. Additionally, cathodic protection techniques, such as sacrificial anode systems or impressed current systems, are employed to prevent corrosion by providing a protective current to the steel pipes. Regular inspection and maintenance of these protective measures also play a crucial role in ensuring the long-term corrosion protection of steel pipes in coastal areas.
- Q: Can steel pipes be used for gas transportation?
- Yes, steel pipes can be used for gas transportation. Steel pipes are commonly used for the transportation of natural gas, propane, and other gases due to their high strength, durability, and resistance to corrosion. They can effectively withstand high pressure and extreme temperatures, making them a reliable choice for gas transportation systems.
- Q: What is the difference between hot-dipped galvanized and electro-galvanized steel pipes?
- Hot-dipped galvanized and electro-galvanized steel pipes are both types of steel pipes that have undergone a galvanization process to protect them from corrosion. However, there are some key differences between the two processes. Hot-dipped galvanized steel pipes are immersed in a molten zinc bath, which results in a thick coating of zinc being applied to the surface of the steel. This process creates a durable and long-lasting corrosion-resistant barrier. The thickness of the zinc coating can vary, but it is generally thicker than that of electro-galvanized steel pipes. On the other hand, electro-galvanized steel pipes are coated with a thin layer of zinc using an electroplating process. This process involves passing an electric current through the steel pipes while they are immersed in a zinc solution. The zinc particles are then deposited onto the surface of the steel, creating a thin and uniform protective barrier. One of the main differences between these two processes is the thickness of the zinc coating. Hot-dipped galvanized steel pipes have a thicker and more robust coating, making them more suitable for applications in harsh environments or where the pipes will be exposed to corrosive substances. Another difference is the appearance of the pipes. Hot-dipped galvanized steel pipes typically have a dull grayish finish, while electro-galvanized steel pipes have a smoother and more polished appearance. In terms of cost, electro-galvanized steel pipes are generally more economical compared to hot-dipped galvanized steel pipes. This is because the electroplating process is less labor-intensive and requires less zinc. Overall, the choice between hot-dipped galvanized and electro-galvanized steel pipes depends on the specific application and the level of corrosion resistance required. Hot-dipped galvanized steel pipes are typically used in more demanding environments, while electro-galvanized steel pipes are suitable for less corrosive applications where cost-efficiency is a priority.
- Q: What are the different standards for steel pipe manufacturing?
- There are several standards for steel pipe manufacturing, including ASTM (American Society for Testing and Materials), API (American Petroleum Institute), DIN (Deutsches Institut für Normung), and JIS (Japanese Industrial Standards). These standards define the specifications for various aspects of steel pipe production, such as dimensions, material composition, mechanical properties, and testing procedures. Compliance with these standards ensures the quality and reliability of steel pipes for different applications, ranging from construction and infrastructure to oil and gas industries.
- Q: Can steel pipes be used for underground drainage?
- Yes, steel pipes can be used for underground drainage. Steel pipes are commonly used for drainage systems due to their durability, strength, and resistance to corrosion. They are able to withstand heavy loads and can be installed in various soil conditions. However, it is important to ensure proper coating and maintenance to prevent rusting and deterioration over time.
- Q: How are steel pipes used in the manufacturing of telecommunications infrastructure?
- Steel pipes are used in the manufacturing of telecommunications infrastructure to provide a sturdy and reliable framework for cables and wires. These pipes are commonly used for underground and overhead installations, ensuring protection and support for the necessary communication systems.
- Q: What are the different types of supports used for underground steel pipes?
- There are several types of supports commonly used for underground steel pipes, including concrete cradles, saddle supports, and thrust blocks. These supports help distribute the weight and forces acting on the pipe, ensuring its stability and preventing damage.
- Q: How do you calculate the weight of a steel pipe?
- To calculate the weight of a steel pipe, you would need to know the dimensions of the pipe, specifically the outer diameter (OD), wall thickness, and length. Firstly, you need to determine the cross-sectional area of the pipe. This can be done by subtracting the inner diameter (ID) from the outer diameter (OD) and dividing the result by 2 to get the radius. Then, you can use the formula A = πr^2 to calculate the area. Next, multiply the cross-sectional area by the length of the pipe to get the volume. The formula for volume is V = A * L, where A is the cross-sectional area and L is the length. Finally, to calculate the weight of the steel pipe, you need to multiply the volume by the density of steel. The density of steel is typically around 7850 kilograms per cubic meter (kg/m^3) or 0.2836 pounds per cubic inch (lb/in^3). The formula for weight is W = V * ρ, where V is the volume and ρ is the density of steel. It's important to note that if you are working with different units, you will need to convert them to match the units of the density. For example, if the length is in feet and the density is in pounds per cubic inch, you would need to convert the length to inches before performing the calculations. Remember to double-check your measurements and calculations to ensure accuracy.
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Rectangular Hot Rolled Steel Pipe With High Quality
- Ref Price:
-
- Loading Port:
- China main port
- Payment Terms:
- TT or LC
- Min Order Qty:
- 100 m.t.
- Supply Capability:
- 10000 m.t./month
OKorder Service Pledge
OKorder Financial Service
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