Square Carbon Steel Pipes With Reasonable Price

Square Carbon Steel Pipes With Reasonable Price System 1

Square Carbon Steel Pipes With Reasonable Price

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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:	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

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.
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?
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 !

4.Rectangular Hot Rolled Steel Tube Image

Square Carbon Steel Pipes With Reasonable Price

Q: How are steel pipes used in desalination plants?: Steel pipes are used in desalination plants for transporting and distributing water throughout the plant's various processes, such as intake, pre-treatment, reverse osmosis, and post-treatment. They are preferred due to their durability, corrosion resistance, and ability to withstand high pressure and temperature conditions. Steel pipes ensure the efficient and reliable conveyance of water, contributing to the overall effectiveness of desalination plants in producing freshwater from seawater.

Q: What are the different methods of coating steel pipes?: There are several different methods of coating steel pipes, including fusion bonded epoxy (FBE) coating, liquid epoxy coating, polyurethane coating, and three-layer polyethylene (3LPE) coating.

Q: Can steel pipes be used for underground telecommunications networks?: Yes, steel pipes can be used for underground telecommunications networks. Steel pipes are commonly used for their durability, strength, and resistance to corrosion, making them suitable for protecting and housing telecommunication cables underground. They provide reliable protection against external elements and mechanical damage, ensuring the smooth operation of underground telecommunications networks.

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: What is the difference between carbon steel and alloy steel pipes?: Carbon steel and alloy steel pipes are both types of steel pipes, but they differ in their composition and properties. Carbon steel pipes are made primarily from carbon and iron, with small amounts of other elements such as manganese, silicon, and copper. They are known for their strength and durability, making them a popular choice for various applications in industries such as construction, oil and gas, and automotive. Carbon steel pipes are relatively inexpensive and have good resistance to corrosion. On the other hand, alloy steel pipes are made by adding other alloying elements to carbon steel. These alloying elements can include elements such as chromium, nickel, molybdenum, and vanadium, among others. The addition of these elements enhances the properties of the steel, such as increased strength, improved corrosion resistance, and better heat resistance. Alloy steel pipes are commonly used in high-temperature and high-pressure applications, such as in power plants, refineries, and chemical plants. In terms of cost, alloy steel pipes are generally more expensive than carbon steel pipes due to the additional alloying elements. However, the added benefits in performance and durability can often justify the higher cost. In summary, the main difference between carbon steel and alloy steel pipes lies in their composition and properties. Carbon steel pipes are primarily made of carbon and iron, while alloy steel pipes contain additional alloying elements for enhanced properties. Carbon steel pipes are known for their strength and affordability, while alloy steel pipes offer improved strength, corrosion resistance, and heat resistance.

Q: What are the different factors affecting the flow rate of steel pipes?: There are several factors that can affect the flow rate of steel pipes, including the diameter and length of the pipe, the viscosity and temperature of the fluid being transported, the pressure difference across the pipe, and any obstructions or irregularities in the pipe's interior surface. Additionally, the type of fluid being transported and its flow characteristics, such as laminar or turbulent flow, can also impact the flow rate of steel pipes.

Q: What are the applications of galvanized steel pipes?: Galvanized steel pipes have numerous applications in various industries. They are commonly used for plumbing and water supply systems due to their corrosion resistance. Additionally, they are used in gas transmission, oil refineries, and industrial plants where resistance to harsh chemicals and high temperatures is crucial. Galvanized steel pipes are also employed in construction for structural support and scaffolding, as well as for fencing and handrails. Overall, their durability, strength, and cost-effectiveness make galvanized steel pipes suitable for a wide range of applications.

Q: Are steel pipes suitable for underground installations?: Yes, steel pipes are suitable for underground installations. Steel pipes are known for their durability, strength, and resistance to corrosion, making them ideal for underground use. They can withstand the pressure from the surrounding soil and are able to handle heavy loads, making them a reliable choice for underground installations such as drainage systems, water supply lines, and underground utilities.

Q: Which is cheaper, angle iron or steel pipe?: The model does not mean the size of the different edges and sizes of the same model. Therefore, the width, the edge and the thickness of the angle iron should be filled out in the contract and other documents, so as not to be indicated by the model alone. Standard Specification for hot-rolled equal angle iron is 2#-20#. The angle iron can be made up of different force components according to the different structure, and can also be used as the connecting piece between the components. Widely used in a variety of architectural and engineering structures, such as beams, bridges, towers, hoisting and conveying machinery, ships, industrial furnace, reaction tower, container frame and warehouse.

Q: What are the different types of steel pipe coatings for corrosive environments?: There are several types of steel pipe coatings that are commonly used for corrosive environments. These include fusion bonded epoxy (FBE) coating, three-layer polyethylene (3LPE) coating, three-layer polypropylene (3LPP) coating, and coal tar enamel (CTE) coating. FBE coating provides excellent corrosion resistance and is commonly used for underground pipelines. 3LPE and 3LPP coatings combine a layer of epoxy, an adhesive layer, and a polyethylene or polypropylene outer layer, offering superior protection against corrosion and mechanical damage. CTE coating, although less common nowadays, is still used for certain applications due to its resistance to water and chemical corrosion.

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