Rectangular Hot Rolled Steel Tube

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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

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

Rectangular Hot Rolled Steel Tube Image

Rectangular Hot Rolled Steel Tube

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.
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.

If you have any question, pls feel free to contact us !

Q: What are the different types of steel pipe coatings for underground gas pipelines?: There are several different types of steel pipe coatings used for underground gas pipelines. These include fusion bonded epoxy (FBE) coatings, three-layer polyethylene (3LPE) coatings, polyurethane (PU) coatings, and coal tar enamel (CTE) coatings. Each of these coatings provides different levels of corrosion protection and suitability for specific environmental conditions.

Q: What are the alternatives to steel pipes for various applications?: Some alternatives to steel pipes for various applications include PVC (polyvinyl chloride) pipes, copper pipes, aluminum pipes, and fiberglass pipes. Each alternative has its own advantages and disadvantages, such as cost, durability, and resistance to corrosion, which make them suitable for specific applications.

Q: How are steel pipes used in wastewater treatment plants?: Steel pipes are commonly used in wastewater treatment plants for various purposes such as conveying wastewater, transporting chemicals, and managing water flow. They are used to transport wastewater from different treatment stages, ensuring efficient movement within the plant. Additionally, steel pipes are used to transport chemicals, such as disinfectants or coagulants, which are necessary for treating the wastewater. They also play a crucial role in managing water flow, helping to control the movement and distribution of wastewater throughout the treatment process. Overall, steel pipes are essential components in wastewater treatment plants, facilitating the movement and treatment of wastewater efficiently.

Q: How are steel pipes used in the manufacturing of railways?: The manufacturing of railways involves the versatile use of steel pipes. In the context of railway construction, steel pipes serve as a fundamental component for the creation of rail tracks. These pipes are joined together through welding to form robust and lengthy tracks capable of withstanding the weight and pressure exerted by passing trains. Moreover, steel pipes find application in the manufacturing of railway bridges and tunnels. These structures necessitate the utilization of strong and resilient materials in order to guarantee the safety and stability of the railway system. Steel pipes are frequently employed in the construction of supporting structures and piers that uphold the bridges. Additionally, they provide structural support and stability for tunnels. Furthermore, steel pipes contribute to the production of various railway components and equipment. For instance, they are used in the fabrication of railway signaling systems responsible for managing train movement and ensuring safety. These pipes are commonly utilized to encase and safeguard the electrical wiring and other components of the signaling systems. In addition, steel pipes play a significant role in the manufacturing of railway carriages and locomotives. They serve as the framework and structure of the train, imparting strength and stability. Furthermore, steel pipes are utilized for diverse purposes such as creating air conditioning systems, brake systems, and fuel delivery systems within the train. Overall, steel pipes occupy a pivotal position in the manufacturing of railways. They are indispensable for the construction of rail tracks, bridges, tunnels, and a variety of railway components and equipment. The strength and durability of steel make it an ideal material for ensuring the safety and efficiency of railway systems.

Q: What are the uses of welded steel pipes?: The spiral submerged arc welded pipe (SY5036-83) for the delivery of pressurized fluid is made of hot rolled steel strips for tube billets, often spirally formed, welded by double submerged arc welding and used for the transmission of pressurized fluid. The steel pipe has strong pressure bearing ability and good welding performance. After a rigorous scientific examination and test, it can be used safely. The utility model has the advantages of large caliber of the steel pipe, high transmission efficiency, and investment in laying pipelines. Mainly used in the transportation of petroleum and natural gas pipelines.

Q: What are the different types of joints used to connect steel pipes?: There are several types of joints commonly used to connect steel pipes, including threaded joints, welded joints, flanged joints, and grooved joints.

Q: Seamless steel tube with the tube with what is the difference?: Seamless pipe can withstand ultra-high pressure, of course, its wall thickness will increase, which needs to be designed according to pressure requirements. It is generally used in high-pressure oil pipes, boiler tubes and other high temperature and high pressure equipment. There are also seamless tubes for structural purposes, depending on the design requirements.

Q: What is PE coated steel pipe? Seek explanation: PE pipe is a kind of thermoplastic resin with high crystallinity and non polarity.

Q: Can steel pipes be used for offshore oil and gas platforms?: Yes, steel pipes can be used for offshore oil and gas platforms. Steel pipes are commonly used in offshore oil and gas platforms due to their durability, strength, and resistance to harsh marine environments. These pipes are typically made of high-grade steel alloys that can withstand the extreme pressures and temperatures associated with offshore drilling and production activities. Furthermore, steel pipes are versatile and can be easily welded, allowing for the construction of complex pipeline networks on offshore platforms. Additionally, steel pipes can be coated with protective coatings such as epoxy or anti-corrosion coatings to enhance their resistance to corrosion and extend their lifespan in the offshore environment. Overall, steel pipes are a reliable and widely used choice for transporting oil and gas on offshore platforms.

Q: What are the different methods of insulating steel pipes?: There are several different methods of insulating steel pipes, depending on the specific needs and requirements of the application. Some of the common methods include: 1. Insulation wraps: This method involves wrapping the steel pipes with insulating materials such as fiberglass, mineral wool, or foam insulation. The insulation is then secured with adhesive or tape to ensure a tight and secure fit. Insulation wraps are cost-effective and relatively easy to install, making them a popular choice for many applications. 2. Insulation coatings: This method involves applying a layer of insulating material directly onto the surface of the steel pipe. The coating can be made from materials such as epoxy, polyurethane, or polyethylene. Insulation coatings are ideal for situations where the pipes are exposed to harsh environments, as they provide a protective barrier against corrosion and temperature fluctuations. 3. Insulation jackets: This method involves using pre-fabricated insulation jackets that are designed to fit over the steel pipes. These jackets are typically made from a combination of insulation materials and a weatherproof outer layer. Insulation jackets are commonly used for outdoor or exposed pipelines, as they provide excellent insulation and protection against external elements. 4. Insulation foam: This method involves injecting foam insulation into the cavity between the steel pipe and an outer casing. The foam expands and hardens, creating a sealed and insulated layer around the pipe. Foam insulation is highly effective in preventing heat loss or gain, and it also provides excellent soundproofing properties. 5. Insulation tapes: This method involves using specialized insulation tapes that are wrapped around the steel pipes. These tapes are typically made from materials such as PVC or rubber, which have good insulating properties. Insulation tapes are often used for smaller pipes or joints, as they provide a flexible and easy-to-apply solution. It is important to consider factors such as the operating temperature, environmental conditions, and specific requirements of the application when choosing the appropriate method of insulating steel pipes. Consulting with a professional or insulation specialist can help in determining the most suitable insulation method for your specific needs.

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