Rectangular Hot Rolled Steel Pipe

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Quick Details

Thickness:	1.0 - 35 mm	Section Shape:	Square	Outer Diameter:	2020-600600
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

Specifications

1.OD:15X15-800X800MM,20X30--600X800MM
2.Thick.:1.0--35.0MM

FAQ of Hollow Section

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.

Rectangular Pipe Image

Rectangular Hot Rolled Pipe

Q:What do you mean by "SC" in welded pipe SC200? What's the diameter of 200?: SC in principle, it should be called water gas pipe, also called thick wall steel pipe;

Q:Can steel pipes be used for scaffolding?: Yes, steel pipes can be used for scaffolding. Steel pipes are commonly used in scaffolding systems due to their strength, durability, and ability to support heavy loads. They provide a stable and secure platform for workers to perform construction and maintenance tasks at various heights.

Q:What is the cost of steel pipes compared to other piping materials?: The cost of steel pipes compared to other piping materials can vary depending on factors such as the size, grade, and specifications of the pipes, as well as market conditions and location. In general, steel pipes tend to be more expensive than some alternative piping materials such as PVC (polyvinyl chloride) or HDPE (high-density polyethylene). However, when compared to other materials like copper or stainless steel, steel pipes can often be more cost-effective. Steel pipes are known for their durability, strength, and resistance to high pressures and temperatures, making them suitable for various applications such as oil and gas pipelines, plumbing systems, and structural supports. Their longevity and reliability can offset the initial higher cost, as they often require less maintenance and have a longer lifespan than other materials. Additionally, steel pipes are readily available in different sizes and grades, making them versatile and adaptable to different project requirements. This availability and versatility can contribute to their cost-effectiveness, as they can be easily sourced and customized to specific needs. It's important to note that prices for steel pipes can fluctuate due to market conditions and factors such as raw material costs, transportation expenses, and labor charges. Therefore, it is advisable to consult with suppliers or industry experts to get accurate pricing information for steel pipes based on specific project specifications and market conditions.

Q:How are steel pipes used in the chemical industry?: Steel pipes are widely used in the chemical industry for various purposes such as transporting chemicals, gases, and liquids. They are known for their strength, durability, and resistance to corrosion, making them suitable for handling corrosive substances. Steel pipes are used for transferring raw materials, intermediate products, and final products within chemical plants, as well as for connecting different equipment and machinery. They are essential for maintaining a safe and efficient flow of chemicals throughout the industry.

Q:Can steel pipes be used for underground cable ducting?: Underground cable ducting can utilize steel pipes, as they possess durability and strength. Due to their robustness, steel pipes commonly serve as a protective casing for cables, warding off potential harm from external factors like moisture, pressure, and environmental elements. Moreover, steel pipes exhibit resistance to corrosion, rendering them suitable for extended underground use. In addition, their ability to withstand heavy loads deems them ideal for areas where cables may face high pressure or weight. Nevertheless, before selecting steel pipes for underground cable ducting, it is vital to take into account soil conditions, installation requirements, and the specific needs of the cable system.

Q:What is the difference between seamless steel pipes and seamless alloy steel pipes?: The main difference between seamless steel pipes and seamless alloy steel pipes lies in their composition. Seamless steel pipes are made from carbon steel, which is primarily composed of iron and carbon. On the other hand, seamless alloy steel pipes are made from a combination of carbon steel and various alloying elements such as chromium, nickel, or molybdenum. These alloying elements enhance the properties of the steel, making it more resistant to corrosion, heat, and pressure. They also provide improved strength and durability, making alloy steel pipes suitable for applications that require high performance and reliability. In summary, while both seamless steel pipes and seamless alloy steel pipes are used for various industrial applications, alloy steel pipes offer superior performance due to their alloying elements, making them more suitable for demanding conditions.

Q:What are the different methods of threading steel pipes?: There are several methods for threading steel pipes, including manual threading using a handheld pipe threader, mechanical threading using a powered threading machine, and hydraulic threading using a hydraulic pipe threader. Additionally, some steel pipes can also be threaded using a die head or a threading lathe.

Q:How are steel pipes used in the renewable energy sector?: Steel pipes are widely used in the renewable energy sector for various applications. They are commonly used for the construction of wind turbine towers, providing structural support and stability. Steel pipes are also used in the construction of solar power plants, where they are utilized for the installation of solar panels, mounting structures, and support systems. Additionally, steel pipes are employed in geothermal energy projects, helping to extract and transfer hot water or steam from underground reservoirs. Overall, steel pipes play a crucial role in the renewable energy sector by facilitating the efficient generation and transmission of clean energy.

Q:What are the factors to consider when selecting pipe materials for high-temperature applications?: When choosing pipe materials for high-temperature applications, several factors must be taken into account. First and foremost, the thermal conductivity of the material is crucial. Efficient heat transfer and prevention of heat buildup are necessary in high-temperature applications, therefore materials with high thermal conductivity, like copper and stainless steel, are commonly used in these installations. Secondly, it is important to consider the material's resistance to thermal expansion. Pipes tend to expand when exposed to high temperatures, so selecting materials with low thermal expansion coefficients is vital to avoid deformation and potential pipe failure. Carbon steel and stainless steel are suitable options as they exhibit relatively low thermal expansion. The material's mechanical strength and resistance to corrosion should also be considered. High temperatures can weaken or corrode certain materials, leading to structural failures. Therefore, it is essential to choose materials, such as alloy steel and nickel-based alloys, that can withstand high temperatures without compromising their mechanical strength or corroding easily. Additionally, the cost and availability of the materials should be taken into account. Some high-temperature pipe materials may be expensive or hard to obtain, which can impact the project's budget and timeline. It is important to find a balance between the desired material properties and the project's financial and logistical constraints. Lastly, it is crucial to consider the specific application requirements and industry standards. Different industries may have guidelines or regulations regarding pipe materials for high-temperature applications. Ensuring that the selected materials comply with these standards is essential for safety, reliability, and adherence to industry regulations. To conclude, the factors to consider when choosing pipe materials for high-temperature applications include thermal conductivity, resistance to thermal expansion, mechanical strength, resistance to corrosion, cost and availability, and compliance with industry standards. By carefully evaluating these factors, one can select the most suitable pipe material to ensure efficient and reliable operation in high-temperature environments.

Q:How are steel pipes used in the construction of oil refineries?: Steel pipes are extensively used in the construction of oil refineries as they are strong, durable, and resistant to corrosion. These pipes are used for various purposes such as transporting crude oil, refined products, and various chemicals within the refinery. They are also utilized in the construction of the refinery's infrastructure, including the fabrication of storage tanks, process equipment, and piping systems that connect different units and sections of the facility. Overall, steel pipes play a crucial role in maintaining the integrity and efficiency of oil refineries.

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