• Square rectangular tube for high quality structure System 1
  • Square rectangular tube for high quality structure System 2
  • Square rectangular tube for high quality structure System 3
Square rectangular tube for high quality structure

Square rectangular tube for high quality structure

Ref Price:
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Loading Port:
Tianjin
Payment Terms:
TT OR LC
Min Order Qty:
10 m.t.
Supply Capability:
9000 m.t./month

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Specification

Standard:
GB,EN
Technique:
Hot Rolled,ERW
Shape:
Square,Rectangular
Surface Treatment:
Galvanized,Oiled,Black
Steel Grade:
Q195,Q215,Q235,Q215B,Q235B
Thickness:
1.5mm-20mm
Length:
20mm-500mm
Net Weight:
10

 

1Structure of  Square rectangular tube for high quality structure

Square tube, square tube is a kind of call and rectangular tube, is equal and not equal to the length of steel pipe. Is the strip through the process of processing roll system. In general is the strip through the demolition of the package, flat, curly, welded to form a circular tube, and then rolled into a square tube and then cut into a square tube and then cut into the required length.

 

2‍‍Main Features of  Square rectangular tube for high quality structure:

• High manufacturing accuracy

• High strength

• Small inertia resistance

• Strong heat dissipation ability

• Good visual effect

• Reasonable price 

 

3 Square rectangular tube for high quality structure Specification

Standard

GB, DIN, ASTM

Grade

10#-45#, 16Mn

10#, 20#, 45#, 16Mn

Thickness

1.5 - 25 mm

Section Shape

Square  and rectangular

Outer Diameter

20*20 mm-------400*400mm   20*30mm*300*500mm

Place of Origin

Tianjin, China (Mainland)

Length

3-12M

Outer Diameter

20*20 mm-------400*400mm   20*30mm*300*500mm

Grade 

235B   345B 

Standard

ASME, ASTM

 

1) Material:(ASTM A 106/A53 GRB.API5LGRB,GB,235B,345B

2) Specification range:OD: 20*30mm----300*500mm 20*20 mm---400*400mm    ,WT: 1.5 - 25 mm   ,length:3-12m or according to the requirement of clients.

3) Excutive standards:GB,ASME API5L.ASTM A 106/A53,Despite of the above
4) Surface:black lacquered,varnish coating or galvanized.
5) Ends:Beveled or square cut,plastic capped,painted.
6) Packing:bundles wrapped with strong steel strip,seaworthy packing. 

 

 

4Packaging & Delivery

Packaging Details:

seaworthy package,bundles wrapped with strong steel strip

Delivery Detail:

15-30days after received 30%TT

 

5FAQ of  Square rectangular tube for high quality structure:  

How 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.

How 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.

Why 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.

 

6 Square rectangular tube for high quality structure Images ‍‍

Square rectangular tube for high quality structure

Square rectangular tube for high quality structure

 

Q: What is the average cost of steel pipes?
The average cost of steel pipes can vary depending on several factors such as the size, grade, and quantity of the pipes needed, as well as the current market conditions. Generally, the cost of steel pipes ranges from $500 to $1500 per ton. However, it is important to note that this is a rough estimate, and prices can fluctuate based on factors like demand, location, and quality. It is recommended to reach out to suppliers or manufacturers for more accurate pricing information based on specific project requirements.
Q: What are the different methods of coating steel pipes?
There are several methods of coating steel pipes, including fusion bonded epoxy (FBE) coating, polyethylene (PE) coating, polyurethane (PU) coating, and cement mortar lining. These coatings are applied to protect the steel pipes from corrosion, increase their lifespan, and improve their performance in various applications.
Q: How are steel pipes insulated to prevent noise transmission?
Steel pipes are typically insulated using specialized materials that are specifically designed to reduce noise transmission. These insulation materials, such as foam or mineral wool, are wrapped around the steel pipes to create a barrier that absorbs sound waves and prevents them from traveling through the pipes. Additionally, the insulation is often covered with a protective layer, such as aluminum or PVC, to further enhance the soundproofing properties and provide mechanical protection to the insulation.
Q: What are the different types of steel pipe coatings for underground applications?
There are several types of steel pipe coatings used for underground applications, including fusion bonded epoxy (FBE), coal tar enamel (CTE), polyethylene (PE), and polyurethane (PU). These coatings provide corrosion protection and increase the lifespan of the steel pipes in underground environments.
Q: What are steel pipes used for?
Steel pipes are used for a wide range of applications in various industries. One of the most common uses of steel pipes is for transporting fluids and gases. They are extensively used in oil and gas pipelines to transport oil, natural gas, and other petroleum products over long distances. Steel pipes are also used in water supply systems, both for domestic and industrial purposes. In the construction industry, steel pipes are used for structural purposes. They provide excellent strength and durability, making them ideal for constructing buildings, bridges, and other infrastructure. Steel pipes are also used in the construction of high-rise buildings, as they can withstand heavy loads and provide stability. Steel pipes are widely used in the manufacturing industry as well. They are used in the production of machinery, equipment, and vehicles. Steel pipes are commonly used for conveying materials such as coal, ore, and grain in bulk handling systems. They are also used in the manufacturing of automotive parts, such as exhaust systems, chassis, and suspension components. Furthermore, steel pipes have various applications in the energy sector. They are used in power plants to transport steam and hot water, as well as in the production and distribution of electricity. Steel pipes are also used in the renewable energy sector, particularly in the construction of wind turbine towers and solar panel frameworks. In addition to these major applications, steel pipes are also used in plumbing systems, irrigation systems, and in the construction of fences and railings. They are highly versatile and can be customized to meet specific requirements in terms of size, thickness, and coating. Overall, steel pipes play a crucial role in many industries and are essential for transporting fluids, constructing infrastructure, and manufacturing various products. Their strength, durability, and versatility make them a preferred choice among engineers and professionals in different fields.
Q: What are the different types of threading on steel pipes?
The different types of threading on steel pipes include tapered threads, straight threads, and buttress threads. Tapered threads are commonly used for pipes that will be screwed into fittings, while straight threads are typically used for pipes that will have a coupling or union attached. Buttress threads are designed for heavy-duty applications and provide increased strength and resistance to axial loads.
Q: Can steel pipes be used for conveying slurry?
Yes, steel pipes can be used for conveying slurry. Steel pipes are commonly used in industries such as mining, dredging, and wastewater treatment, where slurry - a mixture of solid particles and liquid - needs to be transported. Steel pipes offer high strength, durability, and resistance to abrasion, making them suitable for handling the abrasive nature of slurry. Additionally, steel pipes can be lined or coated with materials such as rubber or ceramic to further enhance their resistance to wear and corrosion, making them a reliable choice for conveying slurry.
Q: What are the different types of steel pipe unions?
There are several different types of steel pipe unions that are commonly used in various industries and applications. Some of the most common types include: 1. Threaded Union: This type of union has female threads on both ends, allowing it to be easily screwed onto two male threaded pipes. It provides a secure and leak-free connection. 2. Socket Weld Union: This union has a socket on one end and a female threaded connection on the other. It is designed for socket welding, where the pipe is inserted into the socket and then welded around the joint for a strong and durable connection. 3. Butt Weld Union: This type of union is used for joining two pipes with butt weld ends. It requires the pipes to be beveled and then welded together, creating a strong and permanent connection. 4. Compression Union: Compression unions are typically used for connecting pipes made of softer materials, such as copper or plastic. They consist of a compression nut and a compression ring that are tightened onto the pipe, creating a tight seal. 5. Flanged Union: This union has flanges on both ends, allowing it to be bolted onto two flanged pipes. Flanged unions are commonly used in applications where easy disassembly and reassembly is required. 6. Grooved Union: Grooved unions have grooves on the ends, which are used to connect pipes by inserting them into the grooves and securing them with a coupling. They are often used in fire protection systems and other applications where quick installation and easy maintenance are important. These are just a few examples of the different types of steel pipe unions available. The choice of union depends on the specific requirements of the application, such as the pipe material, size, and operating conditions. Consulting with a professional or referring to industry standards can help determine the most suitable union for a particular project.
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: Where is the difference between seamless steel pipe and welded pipe?
Seamless pipe pressure is higher, welded pipe is generally in 10 or so MPa, now welded pipe to do seamless processing.

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