• Square rectangular tube for building structure System 1
  • Square rectangular tube for building structure System 2
Square rectangular tube for building structure

Square rectangular tube for building structure

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Loading Port:
Tianjin
Payment Terms:
TT or LC
Min Order Qty:
30 m.t.
Supply Capability:
20000 m.t./month

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1Structure of  Square rectangular tube for building 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 building structure:

• High manufacturing accuracy

• High strength

• Small inertia resistance

3 Square rectangular tube for building 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.

 

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 building 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.

6‍‍ Square rectangular tube for building structure  Images ‍‍

 

Q:Can steel pipes be used for underground gas pipelines?
Yes, steel pipes can be used for underground gas pipelines. Steel pipes are often the preferred choice for underground gas pipelines due to their strength, durability, and resistance to corrosion. They can effectively handle the high pressure and extreme temperature variations associated with transporting gas underground.
Q:What are the different methods of joining steel pipes?
There are several different methods of joining steel pipes, including threaded connections, weld connections, flanged connections, and grooved connections. Each method has its own advantages and is suited for different applications. Threaded connections involve screwing the pipes together using threads on the ends of the pipes. Weld connections involve fusing the ends of the pipes together through welding. Flanged connections involve using a flange on each end of the pipe and bolting them together. Grooved connections involve using grooves on the ends of the pipes and connecting them with coupling fittings.
Q:What are the different methods of joining steel pipes without welding?
There are several methods of joining steel pipes without welding, including: 1. Mechanical Couplings: These couplings consist of two separate pieces that are attached to the ends of the pipes and then tightened together. They provide a secure and leak-proof connection without the need for welding. 2. Threaded Connections: In this method, the ends of the steel pipes are threaded to create a male and female connection. The pipes are then screwed together using pipe threads, providing a strong and reliable joint. 3. Flanged Connections: Flanges are used to connect steel pipes by bolting them together. The flanges have a flat surface with holes that align with corresponding holes in the opposite flange. Bolts are then inserted and tightened to create a tight seal. 4. Grooved Connections: This method involves grooving the ends of the steel pipes and then using grooved couplings to join them. The couplings have teeth that interlock with the grooves, creating a secure and rigid connection. 5. Compression Fittings: Compression fittings are used to join steel pipes by compressing a metal or plastic ring onto the pipe's outer surface. This creates a tight seal and a reliable connection, without the need for welding. 6. Adhesive Bonding: Special adhesives designed for metal bonding can be used to join steel pipes. The adhesive is applied to the surfaces of the pipes, which are then pressed together and left to cure, creating a strong and durable bond. 7. Clamping: Clamps can be used to hold steel pipes together, creating a temporary connection. This method is commonly used for testing purposes or in situations where the pipes need to be easily disassembled. Each of these methods has its own advantages and limitations, and the choice depends on factors such as the specific application, pipe material, and the required strength of the joint.
Q:How does galvanization protect steel pipes from corrosion?
Galvanization protects steel pipes from corrosion by applying a protective zinc coating on the surface of the pipes. This zinc coating acts as a sacrificial anode, meaning it corrodes first before the steel, effectively preventing rust and corrosion from reaching the underlying steel.
Q:Can steel pipes be used for oil and gas well production?
Yes, steel pipes can be used for oil and gas well production. Steel pipes are commonly used in the oil and gas industry due to their high strength and durability, which allows them to withstand the harsh conditions of drilling and production processes. Additionally, steel pipes can efficiently transport oil and gas over long distances, making them a preferred choice in the industry.
Q:How are steel pipes used in the manufacturing of telecommunications infrastructure?
Steel pipes are used in the manufacturing of telecommunications infrastructure to provide a sturdy and reliable framework for cables and wires. These pipes are commonly used for underground and overhead installations, ensuring protection and support for the necessary communication systems.
Q:How are steel pipes marked for identification?
Steel pipes are typically marked for identification using various methods such as color coding, stenciling, engraving, or applying tags with relevant information such as size, grade, manufacturer, and specifications.
Q:Are steel pipes suitable for underground sewage systems?
Yes, steel pipes are suitable for underground sewage systems. They are durable, strong, and resistant to corrosion, making them a reliable choice for carrying sewage underground. Additionally, steel pipes have a long lifespan and can withstand the pressure and weight of the surrounding soil, making them a suitable option for underground sewage systems.
Q:What are the different types of joints used in steel pipes?
The different types of joints used in steel pipes include butt weld, socket weld, threaded, and flanged joints.
Q:Can steel pipes be used for water treatment plants?
Yes, steel pipes can be used for water treatment plants. Steel pipes are commonly used for conveying water in various industries, including water treatment plants, due to their durability, strength, and resistance to corrosion. Additionally, steel pipes can withstand high-pressure water flows and can be easily welded, making them suitable for the demanding requirements of water treatment processes.

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