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 is the role of steel pipes in the construction of stadiums?
- Steel pipes play a crucial role in the construction of stadiums as they are used for various purposes including structural support, drainage systems, and the installation of utilities such as water, gas, and electrical lines. These pipes provide the necessary strength and durability to support the weight of the stadium's roof, seating areas, and other infrastructure. Additionally, steel pipes enable efficient transportation of liquids and gases, ensuring proper functioning of the stadium's facilities.
- Q: How are steel pipes insulated to prevent noise transmission?
- Steel pipes are typically insulated using specialized materials that are specifically designed to reduce noise transmission. These insulation materials, such as foam or mineral wool, are wrapped around the steel pipes to create a barrier that absorbs sound waves and prevents them from traveling through the pipes. Additionally, the insulation is often covered with a protective layer, such as aluminum or PVC, to further enhance the soundproofing properties and provide mechanical protection to the insulation.
- Q: How do you calculate the pipe deflection for steel pipes?
- To determine the pipe deflection of steel pipes, various factors must be taken into account. Pipe deflection refers to the bending or displacement that occurs when a load is applied. The following steps outline the process for calculating pipe deflection: 1. Obtain the steel pipe properties: Familiarize yourself with the material properties of the steel pipe, including its Young's modulus (E) and moment of inertia (I). Young's modulus denotes the material's stiffness, while the moment of inertia measures its resistance to bending. 2. Identify the applied load: Determine the nature and magnitude of the load that will be exerted on the pipe. This may encompass internal pressure, external loads, or thermal expansion. 3. Utilize the appropriate formula: Depending on the load type and pipe support conditions, the suitable formula must be employed to calculate the deflection. For instance, if the pipe is simply supported (fixed at both ends), the formula δ = (5 * w * L^4) / (384 * E * I) can be used. Here, δ represents the deflection, w signifies the load per unit length, L denotes the pipe length, and E and I refer to the previously mentioned material properties. 4. Input values and compute: Insert the load, pipe length, and material properties into the formula. By doing so, the deflection of the steel pipe can be determined. It is crucial to note that calculating pipe deflection is a complex procedure that necessitates expertise in structural engineering. Therefore, it is advisable to consult a professional engineer or employ specialized software for accurate and reliable results.
- Q: How are steel pipes resistant to corrosion?
- The corrosion resistance of steel pipes is a result of several factors. Firstly, a protective layer, such as zinc or epoxy, is often applied to steel pipes. This layer acts as a barrier, preventing moisture and corrosive substances from reaching the steel and reducing the likelihood of corrosion. In addition, the composition of steel itself contributes to its resistance to corrosion. Steel is primarily composed of iron, with small amounts of other elements added to enhance its strength and durability. These additional elements, like chromium and nickel, create a natural oxide layer on the surface of the steel. This oxide layer acts as a protective shield, preventing moisture and oxygen from reaching the steel and causing corrosion. Furthermore, steel pipes can undergo 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 layer corrodes sacrificially instead of the steel, thereby 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. As a result, they are highly durable and suitable for a variety of applications, including plumbing, construction, and the transportation of fluids and gases.
- Q: Can steel pipes be used for underground fire sprinkler systems?
- Yes, steel pipes can be used for underground fire sprinkler systems. Steel pipes are commonly used in fire sprinkler systems due to their strength, durability, and resistance to heat and corrosion. They are suitable for underground installations as they provide reliable and long-lasting performance. Additionally, steel pipes are available in various sizes and configurations, allowing for flexibility in designing and installing underground fire sprinkler systems. However, it is important to ensure that the steel pipes are properly coated or protected to prevent corrosion and ensure their effectiveness in an underground environment. Regular inspections and maintenance are also necessary to detect any potential issues or damages to the steel pipes in order to maintain the safety and functionality of the fire sprinkler system.
- Q: What is the difference between steel pipes and PEX pipes?
- Steel pipes are made of metal and are known for their durability and strength. They are commonly used in industrial applications and for transporting fluids and gases. On the other hand, PEX pipes are made of a flexible plastic material called cross-linked polyethylene. PEX pipes are more flexible and easier to install compared to steel pipes. They are commonly used in residential plumbing systems due to their resistance to corrosion and ability to expand and contract with temperature changes.
- Q: Can steel pipes be bent?
- Yes, steel pipes can be bent. The process of bending steel pipes typically involves using specialized tools and techniques such as pipe bending machines or hydraulic presses. These tools apply force to the pipe, causing it to deform and take on the desired shape or angle. The ability to bend steel pipes makes them versatile and suitable for various applications, including plumbing, construction, and manufacturing. However, it's important to note that the degree to which a steel pipe can be bent depends on factors such as the pipe's diameter, wall thickness, and the type of steel used.
- Q: Are steel pipes resistant to impact?
- Yes, steel pipes are generally resistant to impact due to their strong and durable nature. They can withstand heavy loads and external forces, making them suitable for applications that involve high-pressure environments or potential impact scenarios.
- Q: Can steel pipes be used for underground fire hydrants?
- Steel pipes are a suitable choice for underground fire hydrants due to their durability, strength, and corrosion resistance. They are commonly used in underground water supply systems, including fire hydrant installations. Furthermore, steel pipes can withstand high water pressures and offer a reliable and long-lasting solution for fire hydrants. However, it is important to ensure that the steel pipes used for underground fire hydrants are adequately coated or lined to prevent corrosion and maintain their structural integrity over time. Regular maintenance and inspections should also be carried out to detect and resolve any potential problems that may arise.
- Q: Welded and seamless steel pipe how to distinguish?
- Generally, careful observation, can see traces of the weld seam pipe, further is the determination of the polished incision, and then with the file can be seen there is no clear cut, interface traces with the file cleanup to remove when cutting was pasted interface.
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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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