Square Hollow Rectangular Cross Section Tube Construction

Square Hollow Rectangular Cross Section Tube Construction

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Loading Port:: Tianjin

Payment Terms:: TT or LC

Min Order Qty:: 15 m.t.

Supply Capability:: 5000 m.t./month

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Product Description:

Product Name	rectangular hollow section/ RHS
Size	Size:	1010--500500mm
	Thickness:	0.45--16mm
	Length:	3-12m
Steel Grade	Q195,Q215,Q235,Q345,16Mn, 20#
Standard	ASTM A500,EN10219,GB/T6728,GB/T6725,JIS G3466
Usage	1. For Structure, Airport, Railway 2. Construction and so on.
Ends	Plain end or By Your Choice
Surface	Bared Or With Oiled Or Galvanized
Technique	ERW ,Hot Rolled and Cold Rolled
Section Shape	Rectangular
Inspection	With Hydraulic Testing, Eddy Current , Infrared Test
Package	Bags, Bundle, In Bulk, Containers
MOQ	20 Metric Ton / Can Be Negotiated
Supply Ability	15,000 Metric Ton/Month
Date of Delivery	7 days(Qty within 1000 Metric Ton) or According To The Quantity
Port of Shipment	Tianjin, China
Payment	L/C T/T

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 !

Rectangular Hot Rolled Steel Tube Image

Square Hollow Rectangular Cross Section Tube Construction

Q: How are steel pipes used in the manufacturing of heat exchangers?: Steel pipes are commonly used in the manufacturing of heat exchangers due to their excellent heat transfer properties and durability. They are utilized as the main components for carrying and transferring hot or cold fluids within the heat exchanger system. The steel pipes ensure efficient heat exchange by providing a smooth and continuous flow of the fluid, while also withstanding high temperatures and pressures. Additionally, steel pipes are often preferred for their corrosion resistance, making them suitable for various industrial applications requiring reliable and long-lasting heat exchangers.

Q: Can steel pipes be used in extremely cold temperatures?: Yes, steel pipes can be used in extremely cold temperatures. Steel is known for its strength and durability, making it suitable for various applications, including those in freezing conditions. However, it is important to note that steel contracts in cold temperatures, which may affect its dimensions and structural integrity. Therefore, proper insulation and precautions should be taken to prevent any potential issues such as cracking or leakage.

Q: How are steel pipes cleaned and maintained?: Steel pipes are commonly cleaned and maintained through a variety of methods. Firstly, they are often cleaned using chemical solvents or detergents to remove any dirt, debris, or rust. This process is followed by rinsing the pipes thoroughly with water. Additionally, periodic inspections are conducted to identify any signs of corrosion or damage, which are then repaired promptly to prevent further deterioration. Lastly, applying protective coatings or paints on the pipes can help to enhance their longevity and prevent future corrosion.

Q: What are the different types of steel pipe coatings for drinking water pipelines?: The different types of steel pipe coatings for drinking water pipelines include cement mortar lining, polyurethane lining, epoxy lining, and polyethylene wrapping. These coatings are applied to the interior and/or exterior of the pipes to prevent corrosion and ensure the safety and quality of the water being transported.

Q: How do steel pipes handle abrasive materials?: Steel pipes are highly resistant to abrasive materials due to their strong and durable nature. The smooth interior surface of steel pipes minimizes friction and wear caused by abrasive materials, making them an ideal choice for handling such substances.

Q: What are the disadvantages of using steel pipes?: One major disadvantage of using steel pipes is their susceptibility to corrosion. Over time, exposure to moisture and certain chemicals can cause the pipes to rust and weaken, leading to leaks or structural damage. Additionally, steel pipes are generally heavier and more expensive than alternative materials, making them less suitable for certain applications where weight and cost are crucial factors.

Q: How do you repair a damaged steel pipe?: To repair a damaged steel pipe, the first step is to identify the extent of the damage. If the damage is minor, it can be fixed using a pipe repair clamp or a stainless-steel wrap. For larger damages, a cut and replace method may be necessary, where the damaged section is cut out and replaced with a new piece of pipe. In some cases, welding or soldering techniques may be required. It is important to consult with a professional plumber or pipe repair specialist to ensure the correct repair method is used for the specific situation.

Q: How are steel pipes used in the shipbuilding industry?: Steel pipes are commonly used in the shipbuilding industry for various applications such as the construction of the ship's hull, piping systems for fuel, water, and other fluids, as well as for the ventilation and drainage systems on board. These pipes provide strength, durability, and corrosion resistance, making them ideal for withstanding the harsh marine environment.

Q: How do steel pipes handle seismic activities?: Steel pipes are highly durable and resistant to seismic activities. Their strong and flexible nature allows them to withstand the ground shaking during earthquakes without compromising their structural integrity. Steel pipes are designed to absorb and distribute the energy generated by seismic waves, minimizing the potential damage caused by earthquakes. Additionally, their high strength-to-weight ratio makes them ideal for withstanding the lateral forces and ground movements associated with seismic activities.

Q: What are the different types of steel pipe coatings for corrosive environments?: There are several types of steel pipe coatings specifically designed for corrosive environments. Some common options include fusion-bonded epoxy (FBE) coatings, liquid epoxy coatings, polyethylene (PE) coatings, and polyurethane (PU) coatings. These coatings provide a protective layer to prevent corrosion and extend the lifespan of the steel pipes in various corrosive conditions.

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