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: What are the non-destructive testing methods used for steel pipes?
- Some of the non-destructive testing methods used for steel pipes include ultrasonic testing, magnetic particle testing, liquid penetrant testing, radiographic testing, and eddy current testing.
- Q: How do steel pipes handle water erosion?
- Steel pipes are highly resistant to water erosion due to their robust and durable nature. The smooth surface of steel pipes minimizes the formation of rust and corrosion, preventing water erosion from occurring. Additionally, steel pipes can withstand high water pressure and turbulent flow, further enhancing their ability to handle water erosion effectively.
- Q: How do you clean steel pipes?
- To effectively clean steel pipes, there are several steps that can be followed: 1. Collect the necessary supplies: You will require a pipe cleaning solution, either a scrub brush or wire brush, and safety gear like gloves and goggles. 2. Prepare the cleaning solution: Dilute the pipe cleaning solution according to the instructions provided on the packaging. Ensure that you select a solution suitable for steel pipes. 3. Prioritize safety: Put on your safety gear to safeguard yourself from any potential hazards. 4. Eliminate any debris: Before applying the cleaning solution, eliminate any loose debris or dirt from the surface of the steel pipes. You can utilize a brush or cloth to wipe away any visible particles. 5. Apply the cleaning solution: Immerse the brush into the prepared cleaning solution and administer it to the steel pipes. Ensure that you cover the entire surface, particularly focusing on areas with stubborn dirt or grime. 6. Scrub the pipes: Thoroughly scrub the steel pipes using the brush, applying pressure as needed to eliminate any buildup or stains. Pay extra attention to joints or hard-to-reach areas. 7. Rinse with water: Once you have completed the scrubbing, rinse the pipes with clean water to eliminate the cleaning solution and any remaining dirt. You can pour water over the pipes or employ a hose if available. 8. Dry the pipes: After rinsing, use a cloth or towel to completely dry the steel pipes. This will aid in preventing water stains or corrosion. 9. Inspect for cleanliness: Take a moment to inspect the pipes and ensure that they are clean. If there are still areas with stubborn dirt or stains, you may need to repeat the cleaning process or consider using a different cleaning solution. Always remember to adhere to the manufacturer's instructions when using cleaning solutions and to take appropriate safety measures.
- Q: How do you connect steel pipes together?
- Steel pipes can be connected together using various methods such as welding, threading, flanges, or mechanical couplings. Welding involves fusing the ends of the pipes together using heat, while threading involves cutting grooves into the pipe ends and screwing them together. Flanges are used to connect pipes using bolts and gaskets, providing a secure and leak-proof joint. Mechanical couplings utilize compression fittings or clamps to connect pipes without the need for welding or threading. The appropriate method depends on the specific application, pipe size, and project requirements.
- Q: What does "SC50" steel pipe mean in civil engineering?
- Welded steel pipe refers to the use of steel or steel plate bending deformation into a round, square and other shapes after welding into the surface of the joint of the steel pipe. The blank used in welded steel pipe is steel or strip steel.
- Q: How do you calculate the thermal expansion of steel pipes?
- In order to determine the thermal expansion of steel pipes, it is necessary to utilize the coefficient of thermal expansion (CTE) specific to steel. The CTE represents the extent to which a material expands or contracts in response to temperature fluctuations. Typically, the average value of CTE for steel is around 12 x 10^-6 per degree Celsius (12 μm/m°C). To calculate the thermal expansion of a steel pipe, one must possess knowledge of the pipe's initial length (L0), the temperature change (ΔT), and the CTE for steel. The formula for calculating thermal expansion is as follows: ΔL = L0 * CTE * ΔT In this equation: ΔL denotes the alteration in length of the steel pipe L0 represents the initial length of the steel pipe CTE signifies the coefficient of thermal expansion for steel ΔT indicates the change in temperature For instance, suppose there is a steel pipe with an initial length of 2 meters (L0), and the temperature rises by 50 degrees Celsius (ΔT). The CTE for steel is 12 x 10^-6 per degree Celsius. ΔL = 2m * 12 x 10^-6/°C * 50°C ΔL = 0.00024m/m°C * 50°C ΔL = 0.012m Thus, when the temperature increases by 50 degrees Celsius, the steel pipe will expand by 0.012 meters or 12 millimeters. It is important to bear in mind that this calculation assumes linear expansion, which is applicable for minor temperature variations. However, for larger temperature differences or more intricate pipe systems, a more comprehensive analysis may be necessary to consider factors such as the material properties, geometry, and thermal boundary conditions of the pipes.
- Q: What kind of argon arc welding wire is used for 16Mn steel pipe?
- JB/T4709 recommends H10MnSi, but H10MnSi allows a lower value of strength of 430MPa, which does not match the parent material. I think American Standard is selected according to the selection of welding wire ER70S-6 GB ER50-6 wire can guarantee the equivalent strength of parent materials, and Si, Mn content can also guarantee the deoxidation effect, the weld joint is not easy to produce pores.
- Q: How are steel pipes used in the construction of wind farms?
- Steel pipes are commonly used in the construction of wind farms to support and secure the wind turbines. These pipes serve as the foundation for the turbines, providing stability and structural integrity. They are used to create the tower structure, which supports the nacelle and rotor blades. Additionally, steel pipes are used for transporting and distributing the electrical cables within the wind farm, ensuring efficient transmission of electricity generated by the turbines.
- Q: What are the different pipe fittings used with steel pipes?
- Some different pipe fittings used with steel pipes include elbows, tees, reducers, couplings, and flanges.
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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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