Square rectangular tube for building structure
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT or LC
- Min Order Qty:
- 30 m.t.
- Supply Capability:
- 20000 m.t./month
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1、Structure of Square rectangular tube for building 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.
2、Main Features of Square rectangular tube for building structure:
• High manufacturing accuracy
• High strength
• Small inertia resistance
3、 Square rectangular tube for building 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.
4、Packaging & Delivery
Packaging Details: | seaworthy package,bundles wrapped with strong steel strip |
Delivery Detail: | 15-30days after received 30%TT |
5、FAQ of Square rectangular tube for building structure:
①How 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.
②How 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.
6、 Square rectangular tube for building structure Images：
- Q:How are steel pipes used in the construction of natural gas power plants?
- Steel pipes are used in the construction of natural gas power plants primarily for transporting and distributing the fuel. These pipes are used to transport natural gas from the source to various components within the power plant, such as turbines and generators, for efficient combustion. Additionally, steel pipes are also used for cooling systems, waste gas removal, and other crucial functions in the overall construction and operation of natural gas power plants.
- Q:What is the difference between steel pipes and cast iron pipes?
- The main difference between steel pipes and cast iron pipes lies in their composition and durability. Steel pipes are made from an alloy of iron and carbon, which results in a strong and durable material. They are highly resistant to corrosion and can withstand high pressure and temperature. On the other hand, cast iron pipes are made from molten iron and have a higher carbon content. While they are also durable and have good pressure-bearing capabilities, they are more prone to rust and corrosion over time. Additionally, cast iron pipes are typically heavier and more brittle compared to steel pipes.
- Q:What are the different testing methods for steel pipes?
- Some of the different testing methods for steel pipes include non-destructive testing methods such as ultrasonic testing, magnetic particle testing, and radiographic testing. These methods are used to detect any defects or inconsistencies in the pipe's structure or material without causing any damage. Other testing methods include hydrostatic testing, which involves pressurizing the pipe with water to check for leaks or weaknesses, and mechanical testing, which measures the pipe's strength and durability through tensile, hardness, and impact tests.
- Q:How are steel pipes used in the telecommunications network infrastructure?
- Steel pipes are commonly used in the telecommunications network infrastructure as a means of protecting and housing underground cables. These pipes provide a durable and secure pathway for the cables, safeguarding them from environmental factors such as moisture, extreme temperatures, and physical damage. Additionally, steel pipes offer excellent strength and rigidity, allowing for the installation of multiple cables within a single pipe, thereby reducing costs and simplifying maintenance.
- Q:Can steel pipes be used for transporting liquids?
- Yes, steel pipes can be used for transporting liquids. Steel pipes have excellent durability, strength, and corrosion resistance, making them a suitable choice for transporting various liquids, including water, oil, gas, and chemicals.
- Q:How are steel pipes insulated for thermal applications?
- Steel pipes are commonly insulated for thermal applications using various materials such as fiberglass, mineral wool, or foam insulation. These insulating materials are typically wrapped around the steel pipes to create a protective barrier that reduces heat transfer. Additionally, a vapor barrier may be installed to prevent moisture condensation. This insulation helps to maintain the desired temperature of the fluid or gas being transported through the pipes and prevents energy loss.
- Q:Can steel pipes withstand high temperatures?
- Yes, steel pipes can withstand high temperatures. Steel is known for its excellent thermal conductivity and high melting point, making it suitable for various applications that involve exposure to elevated temperatures.
- Q:How are steel pipes protected against fire?
- Steel pipes are protected against fire through various methods such as applying intumescent coatings, using fire-resistant insulation, or encasing them in fire-rated enclosures. These measures help to delay the heat transfer and maintain the structural integrity of the pipes during a fire, allowing them to withstand high temperatures and prevent the spread of fire.
- Q:What are the different methods of joining steel pipes together?
- There are several methods of joining steel pipes together, each with its own advantages and disadvantages. 1. Welding: This is the most common and widely used method of joining steel pipes. It involves heating the ends of the pipes and applying pressure to fuse them together. Welding provides a strong and durable joint, but it requires skilled labor and specialized equipment. 2. Threaded connections: Steel pipes can also be joined by threading the ends and using threaded fittings to connect them. This method is relatively easy and quick, but it may not be as strong as welding and can be prone to leakage if not properly sealed. 3. Flanged connections: Flanges are used to connect pipes by bolting them together. This method allows for easy disassembly and reassembly, making it suitable for applications that require frequent maintenance or repair. Flanged connections are also highly resistant to leakage. 4. Compression fittings: Compression fittings are used to join steel pipes by compressing a ring or ferrule onto the pipe, creating a tight seal. This method is simple and does not require heat or welding, making it ideal for applications where heat or sparks are not permissible. 5. Grooved connections: Grooved connections involve cutting grooves into the pipe ends and using mechanical couplings to secure them together. This method is fast, reliable, and allows for easy assembly and disassembly. Grooved connections are commonly used in fire protection systems. 6. Brazing: Similar to welding, brazing involves heating the pipe ends and adding a filler material to join them together. This method is often used for smaller diameter pipes and provides a strong joint. However, it requires the use of a high-temperature torch and skilled labor. Each of these methods has its own advantages and is suitable for different applications. The choice of joining method depends on factors such as the required strength, ease of installation, maintenance requirements, and the type of pipe being used.
- Q:What are the different types of steel pipes available in the market?
- In the market, one can find a variety of steel pipes, each designed for specific purposes and applications. Some of the commonly used types are as follows: 1. Carbon Steel Pipes: These pipes are widely utilized due to their strength and durability. They are primarily employed in industries like oil and gas, construction, and plumbing for fluid and gas transportation. 2. Alloy Steel Pipes: By combining carbon steel with different metals like chromium, nickel, or molybdenum, alloy steel pipes offer enhanced strength, corrosion resistance, and heat resistance. They find applications in high-pressure environments such as power plants and chemical plants. 3. Stainless Steel Pipes: Highly resistant to corrosion and oxidation, stainless steel pipes are suitable for applications requiring hygiene and durability. Industries like food processing, pharmaceuticals, and water treatment commonly use them. 4. Galvanized Steel Pipes: These pipes are coated with a layer of zinc to protect against rust and corrosion. They are commonly found in plumbing systems and structures like fences and handrails. 5. Seamless Steel Pipes: These pipes are manufactured without any welding or joints, resulting in a smooth and continuous surface. They are known for their high strength and are often used in high-pressure applications. 6. Welded Steel Pipes: Made by rolling or bending a flat steel plate into a cylindrical shape and welding the edges together, welded pipes find common usage in construction, oil and gas, and automotive industries. 7. ERW (Electric Resistance Welded) Steel Pipes: ERW pipes are produced by passing a high-frequency electrical current through a steel strip, causing it to heat and form a weld. They are widely utilized in plumbing, water wells, and structural support. 8. LSAW (Longitudinal Submerged Arc Welded) Steel Pipes: LSAW pipes are created by bending and welding steel plates into a cylindrical shape. They are commonly employed for long-distance transportation of large volumes of oil, gas, or water. These examples represent only a fraction of the diverse range of steel pipes available in the market. The choice of the appropriate pipe type depends on factors such as the intended application, environmental conditions, and budget constraints. Consulting with experts or professionals is crucial in determining the most suitable steel pipe for a specific project or application.
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Square rectangular tube for building structure
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT or LC
- Min Order Qty:
- 30 m.t.
- Supply Capability:
- 20000 m.t./month
OKorder Service Pledge
OKorder Financial Service
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