Square Hollow Hot Rolled Steel Section

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Loading Port:: China Main Port

Payment Terms:: TT or LC

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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

Square Hollow Section Image

Square Hollow Hot Rolled Steel Section

FAQ of Square 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. 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.

Any question, pls feel free to contact us !

Q: What does GALV mean in a steel tube?: Steel pipe is not only used to transport fluid and powder solid, exchange heat energy, and manufacture mechanical parts and containers, but also is an economic steel. It can reduce weight and save 20 to 40% of metal by using steel pipe to make building structure, network frame, prop and mechanical support. Moreover, it can realize factory mechanization construction. Using steel pipe to manufacture road bridge can not only save steel, simplify construction, but also greatly reduce the area of coating protective layer, save investment and maintenance cost.

Q: How are steel pipes used in the manufacturing of boilers and heat exchangers?: Steel pipes are used in the manufacturing of boilers and heat exchangers primarily for their excellent strength, durability, and heat resistance properties. These pipes are used to carry hot fluids and gases, such as water and steam, throughout the boiler or heat exchanger system. The steel pipes provide a reliable and efficient means of transferring heat and maintaining the desired temperature within the system. Additionally, their corrosion resistance ensures long-lasting performance, making them an essential component in the manufacturing of boilers and heat exchangers.

Q: Can steel pipes be used for structural applications?: Yes, steel pipes can be used for structural applications.

Q: Are steel pipes resistant to vibration?: Yes, steel pipes have excellent resistance to vibration due to their high strength and stiffness properties. The inherent rigidity of steel makes it highly resistant to the effects of vibration, making steel pipes a reliable choice for applications where vibration is a concern.

Q: Difference between cold rolled steel pipe and common steel pipe: From the above point of view, the hot rolled steel pipe used in fluid transport, mechanical structure and other requirements of the size of the situation is not high, cold-rolled steel pipe used in precision instruments, hydraulic systems, pneumatic and other places demanding.

Q: How are steel pipes tested for quality assurance?: Steel pipes are tested for quality assurance through various methods such as hydrostatic testing, non-destructive testing (NDT) techniques like ultrasonic testing, magnetic particle testing, and visual inspection. These tests ensure that the pipes meet the required standards and specifications, checking for flaws, defects, and proper dimensional accuracy.

Q: How are steel pipes used in the renewable energy industry?: Steel pipes are used in the renewable energy industry for various purposes such as transporting fluids, gases, and steam in thermal power plants, geothermal installations, and solar thermal systems. They are also utilized in the construction of wind turbine towers and the transmission of electricity from renewable energy sources.

Q: How are steel pipes used in the manufacturing of solar power systems?: Steel pipes are commonly used in the manufacturing of solar power systems for various purposes. They are used as structural supports for solar panels, providing stability and durability. Additionally, steel pipes are often utilized for the transportation of fluids such as water or heat transfer fluids, enabling the efficient circulation of these substances within the solar power system.

Q: What are the different types of steel pipe coatings for offshore applications?: There are several types of steel pipe coatings that are commonly used for offshore applications. Some of the most common types include fusion bonded epoxy (FBE) coating, three-layer polyethylene (3LPE) coating, and three-layer polypropylene (3LPP) coating. FBE coating provides excellent corrosion resistance and is often used in subsea pipelines. 3LPE coating combines fusion bonded epoxy with an adhesive and a high-density polyethylene layer, offering superior mechanical protection and corrosion resistance. 3LPP coating, on the other hand, combines fusion bonded epoxy with an adhesive and a polypropylene layer, providing enhanced resistance to high temperatures and chemicals. These coatings help to protect steel pipes from corrosion, abrasion, and other environmental factors, ensuring their durability in offshore environments.

Q: What are the different methods of lining steel pipes?: There are several methods of lining steel pipes, including cement lining, epoxy lining, polyethylene lining, and bituminous lining. These methods are used to protect the inside surface of the steel pipes from corrosion, erosion, and other forms of damage, ensuring their longevity and optimal performance.

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