• Square rectangular tube for multi variety of engineering construction System 1
  • Square rectangular tube for multi variety of engineering construction System 2
Square rectangular tube for multi variety of engineering construction

Square rectangular tube for multi variety of engineering construction

Ref Price:
get latest price
Loading Port:
Tianjin
Payment Terms:
TT or LC
Min Order Qty:
15 m.t.
Supply Capability:
17000 m.t./month

Add to My Favorites

Follow us:


OKorder Service Pledge

Quality Product, Order Online Tracking, Timely Delivery

OKorder Financial Service

Credit Rating, Credit Services, Credit Purchasing

1Structure of  Square rectangular tube for multi variety of engineering construction: 

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 multi variety of engineering construction:

• High manufacturing accuracy

• High strength

• Small inertia resistance

• Strong heat dissipation ability

• Good visual effect

• Reasonable price 

 

3 Square rectangular tube for multi variety of engineering constructionSpecification

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

 

5FAQ of  Square rectangular tube for multi variety of engineering construction:  

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 multi variety of engineering construction  Images ‍‍

 

 

Q: How are steel pipes tested for quality assurance?
Steel pipes are tested for quality assurance through various methods such as hydrostatic testing, non-destructive testing (NDT) techniques like ultrasonic testing, magnetic particle testing, and visual inspection. These tests ensure that the pipes meet the required standards and specifications, checking for flaws, defects, and proper dimensional accuracy.
Q: What are the factors to consider when selecting steel pipes for a specific application?
When selecting steel pipes for a specific application, there are several factors to consider. The first is the type of steel needed, which can vary based on factors such as the desired strength, corrosion resistance, and temperature resistance. Secondly, the size and dimensions of the pipes should be evaluated to ensure they meet the requirements of the application. Additionally, the specific application's operating conditions, such as pressure, temperature, and environment, should be taken into account. The manufacturing process and quality standards of the steel pipes, as well as the supplier's reputation and reliability, should also be considered. Lastly, cost-effectiveness and budget constraints are essential factors to keep in mind when selecting steel pipes for a specific application.
Q: What is the difference between hot-dip galvanizing and electroplating for steel pipes?
Steel pipes can be protected from corrosion using hot-dip galvanizing or electroplating, but these methods have distinct differences. With hot-dip galvanizing, the steel pipes are immersed in molten zinc, creating a strong bond with the steel. This results in a thick and durable zinc coating that effectively prevents corrosion. The entire surface of the pipe, both inside and outside, is uniformly covered, making hot-dip galvanizing ideal for comprehensive protection. Electroplating, on the other hand, involves depositing a thin layer of metal, usually zinc, onto the steel surface using an electric current. Unlike hot-dip galvanizing, electroplating does not form a metallurgical bond between the zinc and steel. Instead, it forms a mechanical bond, which is weaker and less long-lasting. The electroplated zinc layer is also thinner, offering less corrosion protection compared to hot-dip galvanizing. The application process is another point of differentiation. Hot-dip galvanizing requires immersion in molten zinc, which can be time-consuming. Electroplating, on the other hand, uses an electrolytic cell for zinc coating application, which is faster and more efficient. In conclusion, the thickness, durability, and bonding mechanism between zinc and steel distinguish hot-dip galvanizing from electroplating for steel pipes. Hot-dip galvanizing provides a thicker, longer-lasting coating with a metallurgical bond, making it superior for extended corrosion protection. Electroplating, however, creates a thinner coating with a mechanical bond, suitable for applications where a less robust level of corrosion resistance is acceptable.
Q: Can steel pipes be used for underground compressed air pipelines?
Yes, steel pipes can be used for underground compressed air pipelines. Steel pipes are durable, corrosion-resistant, and have high strength, making them suitable for withstanding the pressure and environmental conditions of underground installations. Additionally, steel pipes can be easily welded and are readily available in various sizes, allowing for flexibility in designing the compressed air pipeline system.
Q: How do you protect steel pipes from fire?
To protect steel pipes from fire, there are several measures that can be taken. One commonly used method is to apply fire-resistant coatings or paints to the surface of the pipes. These coatings or paints are designed to withstand high temperatures and provide a barrier that prevents the heat from reaching the steel. Another effective way to protect steel pipes from fire is to wrap them with fire-resistant insulation materials. These materials act as a buffer, reducing the heat transfer and slowing down the spread of fire. Insulation materials such as mineral wool or ceramic fiber blankets are commonly used for this purpose. In addition, it is important to ensure that the steel pipes are properly installed and supported. This includes maintaining proper clearance from other flammable materials and avoiding overcrowding or obstructions that could impede the flow of air around the pipes. Adequate spacing between pipes is also crucial to prevent the transfer of heat from one pipe to another. Furthermore, it is recommended to incorporate firestop systems when steel pipes pass through fire-rated walls or floors. Firestop systems consist of fire-resistant materials and seals that prevent the spread of fire and smoke through openings or penetrations in fire-rated barriers. Regular maintenance and inspections are essential to ensure the ongoing effectiveness of the fire protection measures. Any damage or deterioration of the coatings, insulation, or firestop systems should be promptly repaired or replaced to maintain the fire resistance of the steel pipes. Overall, a combination of fire-resistant coatings, insulation, proper installation, and maintenance practices are crucial in protecting steel pipes from fire hazards. These measures help to minimize the risk of fire-related damage and ensure the safety of both the pipes and the surrounding environment.
Q: Why should the weak electricity be pre buried with galvanized steel pipe?
Galvanized steel pipe mainly because of anti-interference and electrical connectivity, to prevent other strong magnetic strong signal to interfere with weak signal, while in the electrical connection, galvanized steel pipe can be directly connected to the bridge.
Q: Water, gas, steel pipes, thick steel wire means?
Thick steel wire pipe is the same wire pipe, but the wire pipe is thin tube, easy to damage, so with thick as the outer diameter can protect the wire tube, so called thick steel wire pipe.
Q: How are steel pipes classified based on their diameter?
Steel pipes can be classified based on their diameter into various categories. The most common classification system for steel pipes is based on the nominal pipe size (NPS). NPS is a North American set of standard sizes that are used to designate the diameter of a pipe. It is expressed in inches and represents the approximate inside diameter (ID) of the pipe. Steel pipes are typically classified into three main categories based on their diameter: small bore, medium bore, and large bore. Small bore pipes typically have NPS of 2 inches and below, medium bore pipes have NPS between 2 and 24 inches, and large bore pipes have NPS greater than 24 inches. In addition to the NPS classification, steel pipes can also be classified based on their actual outside diameter (OD). This classification is used to determine the compatibility of pipes with fittings and other components. The OD classification is usually expressed in inches or millimeters. Overall, the classification of steel pipes based on their diameter provides a standardized system for easy identification and selection of pipes for various applications. It helps in ensuring compatibility, efficient installation, and effective functioning of piping systems in different industries such as construction, oil and gas, plumbing, and more.
Q: Are galvanized steel tubes the same as degaussing steel tubes?
Also known as galvanized steel pipe, hot galvanized and galvanized two kinds, hot galvanized, zinc coating thickness, with uniform coating, adhesion, and long service life. The cost of galvanizing is low, the surface is not very smooth, and the corrosion resistance of itself is much worse than that of galvanized pipe.
Q: How are steel pipes used in the manufacturing of pharmaceutical equipment?
Steel pipes are commonly used in the manufacturing of pharmaceutical equipment for various purposes such as transferring fluids, gases, and chemicals, as well as providing structural support to the equipment. These pipes are known for their durability, corrosion resistance, and ability to withstand high pressure, making them ideal for ensuring the safe and efficient operation of pharmaceutical machinery.

Send your message to us

This is not what you are looking for? Post Buying Request

Similar products

Hot products


Hot Searches

Related keywords