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

square rectangular pipe for steel structure

Ref Price:
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Loading Port:
Tianjin
Payment Terms:
TT OR LC
Min Order Qty:
10 m.t.
Supply Capability:
18000 m.t./month

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Item specifice

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,C Channel,Hexagonal,Round,Rectangular,Oval,LTZ
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,API,BSI,UL
Thickness:
0-19
Length:
0-18
Net Weight:
0-7

 

1Structure of   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   square rectangular pipe for steel structure:

• High manufacturing accuracy

• High strength

• Small inertia resistance

• Strong heat dissipation ability

• Good visual effect

• Reasonable price 

 

3  Square rectangular pipe for steel structure

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 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   Square rectangular pipe for steel structure Images ‍‍

 

square rectangular pipe for steel structure

square rectangular pipe for steel structure

Q:What is the maximum temperature and pressure that steel pipes can withstand?
The maximum temperature and pressure that steel pipes can handle differ based on the specific grade and type of steel utilized. Nevertheless, steel pipes generally have the ability to withstand high temperatures and pressures due to their robust and long-lasting nature. In applications where high temperatures are involved, like in steam or heat transfer systems, steel pipes can typically endure temperatures up to 1000 degrees Celsius (1832 degrees Fahrenheit) or even higher. It is important to note that the exact temperature limit may fluctuate depending on the steel's alloy composition and heat treatment. In terms of pressure, steel pipes are renowned for their exceptional strength and ability to resist internal and external pressure. The maximum pressure that steel pipes can handle will depend on factors such as pipe diameter, wall thickness, and material strength. In industrial applications, steel pipes can handle pressures ranging from a few hundred psi (pounds per square inch) to several thousand psi. To ensure the safe operation of steel pipes under high temperatures and pressures, it is vital to adhere to industry standards and guidelines, as well as conduct regular inspections and maintenance. Seeking advice from engineers and professionals experienced in steel pipe systems can provide more specific information regarding the maximum temperature and pressure limits for a particular steel pipe application.
Q:How are steel pipes transported from the manufacturing site to the construction site?
Steel pipes are typically transported from the manufacturing site to the construction site through various means, including trucking, rail transportation, and sometimes even by barges or ships for longer distances. The chosen mode of transportation depends on factors such as the distance between the sites, the quantity and size of the pipes, and the available infrastructure.
Q:Can steel pipes be used for plumbing?
Yes, steel pipes can be used for plumbing.
Q:How do you calculate the pipe pressure loss coefficient for steel pipes?
To calculate the pipe pressure loss coefficient for steel pipes, you can use various empirical equations or reference charts specific to the pipe type and size. These equations and charts take into account factors such as pipe roughness, Reynolds number, and flow rate to determine the pressure loss coefficient. It is important to consult relevant engineering references or software to accurately calculate this coefficient for steel pipes.
Q:How are steel pipes used in automotive manufacturing?
Steel pipes are widely used in automotive manufacturing for various purposes. One of the primary applications of steel pipes in this industry is for the exhaust system. The exhaust system in vehicles is responsible for the safe removal of harmful gases produced during the combustion process. Steel pipes are used to create the exhaust manifold, which collects the exhaust gases from the engine cylinders and directs them towards the exhaust pipe. Furthermore, steel pipes are also used in the manufacturing of the chassis and frame of vehicles. The chassis provides structural support and helps maintain the overall strength and stability of the vehicle. Steel pipes, due to their high strength and durability, are ideal for creating the chassis and frame. These pipes are often welded together to form a rigid and robust structure that can withstand various forces and impacts. Additionally, steel pipes find applications in the suspension system of automobiles. The suspension system is responsible for providing a comfortable and smooth ride by absorbing shocks and vibrations. Steel pipes are used in the manufacturing of suspension components such as control arms, tie rods, and sway bars. These components help maintain the stability, handling, and overall performance of the vehicle. Moreover, steel pipes are utilized in the fuel system of automobiles. They are used to transport fuel from the fuel tank to the engine. These pipes need to be resistant to corrosion and have high tensile strength to ensure the safe and efficient delivery of fuel. In conclusion, steel pipes play a crucial role in automotive manufacturing. They are used in various applications such as the exhaust system, chassis and frame construction, suspension system, and fuel system. The use of steel pipes in these areas ensures the durability, strength, and performance of vehicles while maintaining safety and efficiency.
Q:How are steel pipes insulated against heat loss?
Steel pipes are commonly insulated against heat loss by applying a layer of thermal insulation material around the pipes. This insulation material can be in the form of foam, mineral wool, or fiberglass. The insulation is typically wrapped tightly around the pipes and secured with adhesive or tape to ensure proper coverage. This insulation layer helps to reduce heat transfer through the pipe walls, thereby minimizing heat loss. Additionally, the insulation may be covered with a protective jacket or coating to provide further protection against external elements.
Q:Are steel pipes suitable for offshore drilling platforms?
Yes, steel pipes are suitable for offshore drilling platforms. Steel pipes have been used extensively in the offshore drilling industry due to their strength, durability, and corrosion resistance. Offshore drilling platforms operate in harsh marine environments where they are exposed to saltwater, extreme pressure, and temperature variations. Steel pipes are able to withstand these conditions and provide a reliable and long-lasting solution for transporting fluids such as oil and gas from the seabed to the surface. Additionally, steel pipes can be welded together, allowing for easy installation and maintenance on offshore drilling platforms. Overall, steel pipes have proven to be a suitable choice for offshore drilling platforms due to their robustness and ability to withstand the challenging conditions of the marine environment.
Q:What are the different types of steel pipe bends for pipeline routing?
There are several different types of steel pipe bends commonly used for pipeline routing. These include 90-degree bends, 45-degree bends, and custom bends with specific angles as per the pipeline design requirements. Each type of bend serves a specific purpose in redirecting the flow of fluids or gases through the pipeline while maintaining structural integrity.
Q:Are steel pipes suitable for use in automotive industries?
Yes, steel pipes are suitable for use in automotive industries. They are known for their strength, durability, and resistance to high temperatures and pressure, making them an ideal material for various applications such as exhaust systems, fuel lines, and structural components in automobiles. Steel pipes also offer excellent corrosion resistance, ensuring long-lasting performance in harsh environments.
Q:Can steel pipes be insulated for thermal efficiency?
Steel pipes can indeed be insulated to enhance their thermal efficiency. By insulating steel pipes, heat loss or gain can be minimized, depending on the specific purpose. Typically, the insulation material is wrapped around the pipes, creating a protective barrier. This barrier effectively prevents heat transfer between the pipes and the surrounding environment. As a result, the energy required to heat or cool the fluid flowing through the pipes is significantly reduced, leading to improved energy efficiency. This practice is widely employed in industries such as HVAC, oil and gas, and industrial processes, where precise temperature control is crucial. Moreover, insulation also serves to prevent condensation and corrosion on the outer surface of the pipes. All in all, insulating steel pipes is a cost-effective measure that enhances thermal efficiency and reduces energy consumption.

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