• 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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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,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 does seamless steel tube mean? What are the main uses? What are the classifications?
Seamless steel pipe having a hollow cross section, used as a conduit for conveying fluids, such as pipelines for transporting petroleum, natural gas, gas, water, and certain solid materials. Compared withsteel and roundsteelinsolid, flexural torsional strength in the same time, the weight is light, is a kind of economic section steel, widely used in the manufacture of structural parts and mechanical parts, such as the oil pipe, automobile transmission shaft, the bicycle frame and steel construction with scaffold with steel pipe manufacturing ring parts can be improved the utilization rate of materials, simplify the manufacturing process, material saving and working hours, has been widely used to manufacture steel tube.
Q: How are steel pipes used in the aerospace industry?
The aerospace industry extensively utilizes steel pipes for various purposes. Aircraft frames heavily rely on steel pipes as they offer the necessary strength and structural integrity. Steel pipes find applications in the fuselage, wings, and landing gear of airplanes, as well as in rocket launch vehicles and space shuttles. The aerospace industry favors steel pipes due to their exceptional strength-to-weight ratio. They possess lightweight properties while maintaining immense strength, enabling the construction of robust and dependable aerospace structures. This aspect proves crucial in the industry as weight reduction significantly improves fuel efficiency and overall performance. Steel pipes also serve the purpose of transporting fluids and gases within aircraft systems. They commonly operate in the hydraulic and fuel systems, facilitating the flow of vital fluids like hydraulic fluid, fuel, and coolant. By ensuring the safe and efficient movement of these fluids throughout the aircraft, steel pipes contribute to its proper functioning and performance. Furthermore, steel pipes find utility in the aerospace industry for heat transfer applications. They form an integral part of the aircraft's cooling systems, aiding in the dissipation of heat generated by engines, electrical components, and other systems. With their exceptional thermal conductivity, steel pipes effectively transfer heat away from critical areas, preventing overheating. In conclusion, steel pipes possess a crucial role in the aerospace industry. They contribute to aircraft construction by providing strength and structural integrity, as well as facilitating fluid and gas transportation and heat transfer. The utilization of steel pipes in the aerospace industry ensures the safety, efficiency, and reliability of aerospace structures and systems.
Q: How are steel pipes used in the defense sector?
Steel pipes are used in the defense sector for various purposes such as constructing military infrastructure, manufacturing weapons, and creating protective barriers. They are often utilized in the construction of military bases, ammunition storage facilities, and communication systems. Steel pipes are also crucial for manufacturing armored vehicles, artillery, and missile systems. Additionally, they are employed in creating barriers and fortifications to enhance security and defense capabilities.
Q: What are the industries that commonly use steel pipes?
Some of the industries that commonly use steel pipes include construction, oil and gas, manufacturing, transportation, and infrastructure.
Q: What are the different methods of non-destructive testing for steel pipes?
The different methods of non-destructive testing for steel pipes include visual inspection, ultrasonic testing, magnetic particle testing, liquid penetrant testing, and radiographic testing. These methods are used to detect defects or abnormalities in the pipes without causing any damage. Visual inspection involves a thorough visual examination of the pipe's surface. Ultrasonic testing uses high-frequency sound waves to identify internal flaws or thickness measurements. Magnetic particle testing detects surface and near-surface defects by applying a magnetic field and inspecting for magnetic particles. Liquid penetrant testing involves applying a liquid dye to the surface and inspecting for any visible indications of defects. Radiographic testing uses X-rays or gamma rays to capture images that reveal internal defects or flaws in the steel pipes.
Q: Can steel pipes be used for hydronic heating systems?
Yes, steel pipes can be used for hydronic heating systems. Steel pipes are commonly used in hydronic heating systems due to their durability, strength, and ability to withstand high temperatures and pressure. They are also resistant to corrosion, which is important for maintaining the efficiency and longevity of the heating system. However, it is essential to ensure proper insulation and protection against potential expansion and contraction issues that steel pipes may face when exposed to high temperatures.
Q: Can steel pipes be used for oil refinery applications?
Yes, steel pipes can be used for oil refinery applications. Steel pipes offer many advantages for oil refinery applications including high strength, durability, and resistance to corrosion. They are able to withstand high pressure and temperature conditions that are common in oil refinery operations. Steel pipes are also easy to transport and install, making them a popular choice for oil refinery projects. Additionally, steel pipes can be customized to meet specific requirements such as size, thickness, and coating, making them suitable for a wide range of oil refinery applications.
Q: What are the different types of steel pipe supports for high-temperature applications?
There are several types of steel pipe supports designed specifically for high-temperature applications. Some common ones include rigid supports, such as rigid hangers and clamps, which provide strong support and prevent pipe movement. Expansion joints are also used to accommodate thermal expansion and contraction in the pipes. Additionally, spring supports and constant supports are employed to absorb vertical movement and maintain a consistent pipe elevation.
Q: The difference between carbon and welded steel tubes
Quality solutionsThe carbon steels we usually refer to include carbon structural steels and carbon tool steelsThe common steel pipe is divided into two kinds: seamless steel pipe and welded steel pipe. The welded pipe of small size is straight welded, and the big size steel pipe is usually spiral welded
Q: What kind of argon arc welding wire is used for 16Mn steel pipe?
JB/T4709 recommends H10MnSi, but H10MnSi allows a lower value of strength of 430MPa, which does not match the parent material. I think American Standard is selected according to the selection of welding wire ER70S-6 GB ER50-6 wire can guarantee the equivalent strength of parent materials, and Si, Mn content can also guarantee the deoxidation effect, the weld joint is not easy to produce pores.

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