• Multi variety square rectangular pipe for steel structure System 1
  • Multi variety square rectangular pipe for steel structure System 2
Multi variety square rectangular pipe for steel structure

Multi variety square rectangular pipe for steel structure

Ref Price:
get latest price
Loading Port:
Tianjin
Payment Terms:
TT or LC
Min Order Qty:
18 m.t.
Supply Capability:
18000 m.t./month

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1Structure of  Multi variety square rectangular pipe for steel 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  Multi variety square rectangular pipe for steel structure:

• High manufacturing accuracy

• High strength

• Small inertia resistance

• Strong heat dissipation ability

• Good visual effect

• Reasonable price 

 

3 Multi variety square rectangular pipe for steel 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 ,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  Multi variety square rectangular pipe for steel 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 Multi variety square rectangular pipe for steel structure Images ‍‍

 

 

Q: Can steel pipes be used for underground irrigation systems?
Yes, steel pipes can be used for underground irrigation systems. Steel pipes are a popular choice for irrigation systems due to their durability, strength, and resistance to corrosion. They can withstand the pressure and stress of being buried underground and can last for many years without the need for frequent maintenance or replacement. Steel pipes also have a smooth interior surface, which allows for efficient water flow and reduces the risk of clogging. Additionally, steel pipes are readily available in various sizes and can be easily customized to meet specific irrigation system requirements. However, it is important to ensure that the steel pipes used for underground irrigation systems are properly coated or treated to prevent corrosion and prolong their lifespan.
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 strength, durability, and resistance to corrosion. They are able to withstand high pressure and extreme temperatures, making them suitable for transporting and extracting oil and gas from wells.
Q: Can steel pipes be used for oil and gas pipelines?
Yes, steel pipes can be used for oil and gas pipelines. Steel pipes are widely used for their strength, durability, and resistance to corrosion, making them a suitable choice for transporting oil and gas over long distances.
Q: How do you calculate the pipe thermal expansion for steel pipes?
To calculate the pipe thermal expansion for steel pipes, you need to consider the coefficient of thermal expansion (CTE) of the material, the temperature change, and the length of the pipe. The CTE is a measure of how much a material expands or contracts with temperature changes. For steel, the average CTE is typically around 12 x 10^-6 per degree Fahrenheit (or 6.5 x 10^-6 per degree Celsius). However, this value can vary depending on the specific grade of steel. Next, determine the temperature change that the pipe will experience. This can be the difference between the operating temperature and the ambient temperature, or the change in temperature due to the fluid or gas flowing through the pipe. Finally, calculate the thermal expansion using the formula: Thermal Expansion = CTE x Length x Temperature Change Where: - CTE is the coefficient of thermal expansion - Length is the length of the pipe - Temperature Change is the difference in temperature For example, if you have a steel pipe with a length of 10 meters (32.8 feet) and a temperature change of 100 degrees Celsius (180 degrees Fahrenheit), and assuming a CTE of 12 x 10^-6 per degree Celsius, the thermal expansion would be: Thermal Expansion = 12 x 10^-6 x 10 x 100 = 0.012 meters (or 12 millimeters) This means the pipe would expand by 12 millimeters due to the temperature change. It's important to note that this calculation provides an estimate of the thermal expansion, but other factors such as pipe supports, restraints, and the specific application should also be considered to ensure the proper design and installation of the steel pipe system.
Q: How do you clean steel pipes?
To clean steel pipes, you can start by flushing them with water to remove any loose debris or dirt. Next, you can use a suitable cleaning solution specifically designed for steel pipes and apply it using a brush or sponge. Scrub the pipes thoroughly, paying attention to any stubborn stains or buildup. Rinse the pipes with water again to remove the cleaning solution, and finally, dry them thoroughly to prevent rusting.
Q: Can steel pipes be used in extreme weather conditions?
Yes, steel pipes can be used in extreme weather conditions. Steel is a durable and strong material that can withstand various weather conditions, including extreme temperatures, high humidity, and severe storms. Additionally, steel pipes can be coated or treated to provide additional resistance against corrosion, making them suitable for use in harsh environments.
Q: What are steel pipes?
Steel pipes are cylindrical tubes made of steel that are used for conveying fluids or gases, as well as for structural purposes in various industries.
Q: How are steel pipes used in the manufacturing of bridges?
Steel pipes are commonly used in the manufacturing of bridges for various purposes, such as supporting heavy loads, providing structural strength, and ensuring durability. They are often used as piling foundations, allowing the bridge to be securely anchored to the ground. Steel pipes can also be used as bridge components, such as support columns, beams, and trusses, providing the necessary strength and stability to withstand the weight and forces exerted on the bridge. Additionally, steel pipes are used for drainage systems, allowing water to flow away from the bridge structure, preventing potential damage or erosion. Overall, steel pipes play a crucial role in the construction and structural integrity of bridges.
Q: How are steel pipes used in the construction of underground utilities?
Steel pipes are commonly used in the construction of underground utilities as they are highly durable and can withstand the pressure and weight of the surrounding soil. They are primarily used for various applications such as transporting water, natural gas, and sewage, as well as for electrical conduit systems. Additionally, steel pipes are resistant to corrosion, which makes them ideal for long-term underground installations.
Q: What are the disadvantages of using steel pipes?
One disadvantage of using steel pipes is that they are prone to corrosion, especially in environments with high humidity or exposure to certain chemicals. This can lead to structural damage and reduced lifespan of the pipes. Additionally, steel pipes are relatively heavy and bulky, making transportation and installation more challenging compared to other pipe materials. Lastly, steel pipes can be more expensive than alternative materials, which can impact project budgets.

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