• Selling building many types of square tube System 1
  • Selling building many types of square tube System 2
Selling building many types of square tube

Selling building many types of square tube

Ref Price:
get latest price
Loading Port:
Tianjin
Payment Terms:
TT OR LC
Min Order Qty:
10 m.t.
Supply Capability:
15000 m.t./month

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Specification

Standard:
AISI,JIS,GB,BS,DIN,API,EN,ASTM
Technique:
Hot Rolled,Cold Rolled,Cold Drawn,ERW,Forged,Saw,Extruded,EFW,Spring
Shape:
U Channel,Square,Hexagonal
Surface Treatment:
Galvanized,Coated,Copper Coated,Color Coated,Oiled,Dry,Chromed Passivation,Polished,Bright,Black,PVDF Coated
Steel Grade:
Q195,Q215,Q235,Q215B,Q235B,RHB335,HRB400,200 Series,300 Series,400 Series,600 Series,SS400-SS490,10#,20#,A53(A,B)
Certification:
ISO,SGS,BV,IBR,RoHS,CE,UL
Thickness:
0-19mm
Length:
0-500mm
Net Weight:
00

1   Selling building many types of square tube  

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.

 

2   Selling building many types of square tube 

• High manufacturing accuracy

• High strength

• Small inertia resistance

• Strong heat dissipation ability

 

3   Selling building many types of square tube 

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 ,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

 

5   Selling building many types of square tube  

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 Selling building many types of square tube 

 

Selling building many types of square tube

Selling building many types of square tube

 

 

Q: What are the factors that affect the price of steel pipes?
The factors that affect the price of steel pipes include the cost of raw materials, such as iron ore and coal, as well as the demand and supply dynamics in the steel industry. Other factors include labor costs, energy prices, transportation costs, and any taxes or tariffs imposed on steel imports. Additionally, market conditions, global economic trends, and government regulations can also influence the price of steel pipes.
Q: What are the different methods of inspecting steel pipes for defects?
There are several methods for inspecting steel pipes for defects, including visual inspection, ultrasonic testing, magnetic particle inspection, eddy current testing, and radiographic testing.
Q: Can steel pipes be used for flagpoles?
Yes, steel pipes can be used for flagpoles. Steel pipes are often used for flagpoles due to their strength, durability, and ability to withstand harsh weather conditions. They can be easily fabricated to the desired height and thickness, making them suitable for flags of various sizes. Additionally, steel pipes can be painted or coated to prevent corrosion and enhance their aesthetic appeal.
Q: Are steel pipes suitable for potable water supply?
Yes, steel pipes are suitable for potable water supply. They are durable, resistant to corrosion, and can handle high water pressure, making them a reliable choice for transporting drinking water.
Q: How are steel pipes connected or joined together?
Steel pipes are typically connected or joined together using various methods such as welding, threading, or using mechanical fittings.
Q: What is the difference between standard wall thickness and extra-strong wall thickness steel pipes?
Standard wall thickness steel pipes have a thickness that meets the minimum requirements set by industry standards, while extra-strong wall thickness steel pipes have a thicker wall, exceeding the minimum requirements. This difference in wall thickness makes the extra-strong pipes more robust, durable, and able to withstand higher pressure and stress compared to standard wall thickness pipes.
Q: What is the difference between internal lining and external coating of steel pipes?
The difference between internal lining and external coating of steel pipes lies in their respective purposes and locations. Internal lining refers to the material applied inside the steel pipes to protect the inner surface from corrosion, abrasion, or other forms of damage. It acts as a barrier between the transported fluids or substances and the steel pipe, preventing them from coming into direct contact and causing deterioration. The internal lining is typically made of materials like epoxy, polyethylene, or cement mortar, depending on the specific requirements and the nature of the transported substances. It ensures the longevity and integrity of the steel pipe by reducing the chances of internal corrosion and minimizing the risk of contamination. External coating, on the other hand, is applied to the outer surface of the steel pipes. Its main purpose is to provide protection against external factors such as weathering, soil corrosion, and mechanical damage. The external coating acts as a shield, safeguarding the steel pipe from environmental conditions like moisture, UV radiation, chemicals, and physical impact. Common materials used for external coatings include fusion-bonded epoxy, polyethylene, polypropylene, or bitumen. The choice of coating depends on factors like the exposure conditions, temperature, and the type of soil or surroundings the steel pipe will encounter. In summary, while internal lining protects the inner surface of steel pipes from corrosion and damage caused by transported substances, external coating acts as a barrier against external elements and physical stresses. Both internal lining and external coating play vital roles in ensuring the durability and reliability of steel pipes in various applications, such as oil and gas pipelines, water supply systems, or industrial processes.
Q: How are steel pipes classified based on pressure ratings?
Steel pipes are classified based on pressure ratings by assigning them different schedules, ranging from Schedule 10 to Schedule 160. Each schedule represents a different maximum pressure that the pipe can withstand, with higher schedules indicating higher pressure ratings.
Q: What are the different methods of joining steel pipes without welding?
There are multiple ways to connect steel pipes without welding. These include: 1. Mechanical Couplings: These couplings consist of two separate pieces that attach to the pipe ends and then tighten together. They provide a secure and leak-proof connection, eliminating the need for welding. 2. Threaded Connections: This method involves threading the ends of the steel pipes to create a male and female connection. The pipes are then screwed together using pipe threads, creating a strong and dependable joint. 3. Flanged Connections: Flanges are utilized to connect steel pipes by bolting them together. The flanges have a flat surface with holes that align with corresponding holes in the opposing flange. Bolts are inserted and tightened to establish a tight seal. 4. Grooved Connections: This technique involves grooving the pipe ends and using grooved couplings to join them. The couplings have teeth that interlock with the grooves, resulting in a secure and rigid connection. 5. Compression Fittings: Compression fittings are employed to connect steel pipes by compressing a metal or plastic ring onto the outer surface of the pipe. This creates a tight seal and a reliable connection without welding. 6. Adhesive Bonding: Special adhesives designed for bonding metals can be used to connect steel pipes. The adhesive is applied to the pipe surfaces, which are then pressed together and left to cure, forming 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 dismantled. Each of these methods has its own benefits and limitations, and the choice depends on various factors such as the specific application, pipe material, and required joint strength.
Q: How are steel pipes used in structural applications?
Steel pipes are commonly used in structural applications due to their strength, durability, and versatility. They can be used as load-bearing members in buildings, bridges, and other structures to provide support and stability. Additionally, steel pipes can be easily fabricated and joined together, allowing for various configurations and designs. Their resistance to corrosion and ability to withstand high temperatures also make them suitable for applications in harsh environments. Overall, steel pipes play a crucial role in enhancing the structural integrity and longevity of various construction projects.

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