Square rectangular tube for engineering construction
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT or LC
- Min Order Qty:
- 25 m.t.
- Supply Capability:
- 10000 m.t./month
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1、Structure of Square rectangular tube for 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.
2、Main Features of Square rectangular tube for engineering construction:
• High manufacturing accuracy
• High strength
• Small inertia resistance
• Strong heat dissipation ability
• Good visual effect
• Reasonable price
3、 Square rectangular tube for engineering construction 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.
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 engineering construction:
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.
③Why 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 engineering construction Images：
- Q: What are the different types of supports used for steel pipes in buildings?
- Some common types of supports used for steel pipes in buildings include pipe hangers, clamps, brackets, and roller supports. These supports are designed to provide stability, prevent sagging or bending, and distribute the weight of the pipes evenly. The choice of support depends on factors such as pipe size, location, and load requirements.
- Q: Does seamless steel tube have a bend of 135 degrees?
- In engineering, it is usually marked as "45 elbow" and has no "135" mark. The angle of the elbow is acute, so there will be no more than 90 degrees elbow.Elbow is a common connecting pipe used in plumbing and heating. It is used for the connection of the bend of pipe, and is used to change the direction of pipe.
- Q: How are steel pipes used in the agricultural irrigation systems?
- Steel pipes are commonly used in agricultural irrigation systems due to their durability and strength. These pipes are used to transport water from a water source, such as a well or a reservoir, to the fields where crops are grown. One of the main advantages of using steel pipes in agricultural irrigation systems is their ability to withstand high pressure and heavy loads. This makes them suitable for transporting large volumes of water over long distances without the risk of bursting or breaking. Steel pipes also have a high resistance to corrosion, which is important in agricultural settings where the pipes may come into contact with fertilizers or other chemicals. In addition to their durability, steel pipes provide a smooth interior surface that helps to minimize friction and maintain a consistent water flow. This is crucial in irrigation systems as it ensures that the water is evenly distributed across the fields, promoting optimal crop growth. Furthermore, steel pipes can be easily connected and configured to match the specific layout and requirements of the irrigation system. Overall, steel pipes play a vital role in agricultural irrigation systems by facilitating the efficient and reliable transport of water to crops. Their strength, durability, resistance to corrosion, and smooth interior surface make them an ideal choice for these applications.
- Q: What is the single length of galvanized steel pipe?
- Galvanized steel pipe is divided into cold galvanized steel pipe, hot galvanized steel pipe, cold galvanized steel pipe has been banned, and the latter is also advocated by the state for the moment, can be used. In 60s and 70s, developed countries began to develop new types of pipes, and galvanized pipes were banned.
- Q: Are steel pipes suitable for structural applications?
- Indeed, steel pipes prove to be appropriate for structural applications. Renowned for their strength, durability, and versatility, steel pipes emerge as an ideal choice for diverse structural purposes. They can be utilized in constructions, bridges, stadiums, and other edifices to provide essential support and stability. Steel pipes exhibit remarkable tensile strength, enabling them to withstand substantial burdens and resist deformation when subjected to pressure. Moreover, their resistance to corrosion renders them dependable for structural applications, even in severe environments. The utilization of steel pipes in structural applications is further amplified by their cost-effectiveness and ease of installation. In summary, owing to their strength, durability, versatility, and cost-effectiveness, steel pipes remain a favored option within the construction industry.
- Q: How are steel pipes used in the manufacturing of chemical processing plants?
- Steel pipes are commonly used in the manufacturing of chemical processing plants due to their durability, high strength, and resistance to corrosion. These pipes are typically used for the transportation of various chemicals, gases, and liquids within the plant. They help maintain the integrity of the materials being processed and ensure the safe and efficient operation of the plant.
- Q: What are the different types of steel pipe reducers?
- There are several different types of steel pipe reducers that are commonly used in various industrial applications. These reducers are designed to connect pipes of different sizes, allowing for a smooth transition in the flow of fluids or gases. Here are some of the most common types: 1. Concentric Reducers: These reducers have a symmetrical design with a centerline that aligns with the centerline of both the larger and smaller pipes. They provide a gradual reduction in pipe size, ensuring a smooth flow of material. 2. Eccentric Reducers: Unlike concentric reducers, eccentric reducers have an offset centerline. This design is useful when there is a need to prevent the accumulation of air or gases in the piping system. The eccentric reducer helps to direct any gas or air towards a vent or drain point. 3. Welded Reducers: These reducers are made by welding two pipes of different sizes together. They are commonly used in situations where a permanent connection is required. 4. Seamless Reducers: Seamless reducers are manufactured without any welded joints. They are made from a single piece of steel, which enhances their strength and durability. Seamless reducers are often preferred in applications where leak-proof connections are critical, such as in high-pressure or high-temperature environments. 5. Threaded Reducers: These reducers have male and female threads on either end, allowing for easy installation and removal. They are commonly used in low-pressure applications and are an economical choice for systems that require frequent disassembly. 6. Flanged Reducers: Flanged reducers have flanges on both ends, which are bolted together to create a tight seal. They are often used in piping systems that require easy access for maintenance or inspection. Each type of steel pipe reducer has its own advantages and is selected based on the specific requirements of the application. It is important to consider factors such as the type of fluid or gas being transported, pressure and temperature conditions, and the need for easy installation or maintenance when choosing the appropriate reducer for a particular system.
- Q: How do you calculate the pipe buoyancy for steel pipes in water?
- To calculate the pipe buoyancy for steel pipes in water, you need to consider the weight of the water displaced by the submerged portion of the pipe. This can be done using Archimedes' principle, which states that the buoyant force on an object immersed in a fluid is equal to the weight of the fluid displaced by the object. First, calculate the volume of the submerged portion of the pipe. This can be done by multiplying the cross-sectional area of the pipe by the length of the submerged portion. Next, determine the density of the water in which the pipe is submerged. Typically, this value is around 1000 kg/m³ for freshwater and slightly higher for seawater. Multiply the volume of the submerged portion of the pipe by the density of the water to find the weight of the water displaced. Finally, compare the weight of the water displaced to the weight of the steel pipe. If the weight of the water displaced is greater than the weight of the pipe, the pipe will be buoyant and tend to float. If the weight of the pipe is greater, it will sink. It's important to note that other factors such as pipe design, wall thickness, and external forces acting on the pipe may also influence its buoyancy. Therefore, it's recommended to consult industry-specific guidelines or seek expert advice for accurate calculations in specific scenarios.
- Q: How do steel pipes handle water hammer?
- Steel pipes can effectively handle water hammer by absorbing the pressure surges caused by sudden changes in water flow. The solid and durable nature of steel helps to dampen the impact and prevent damage to the pipes or other components of the plumbing system. Additionally, steel pipes can be designed and installed with appropriate supports, expansion joints, and water hammer arrestors to further mitigate the effects of water hammer.
- Q: What are the different types of steel pipes available in the market?
- There are several different types of steel pipes available in the market, each designed for specific purposes and applications. Some of the most common types include: 1. Carbon Steel Pipes: These are the most widely used type of steel pipes, known for their strength and durability. They are primarily used for transporting fluids and gases in various industries such as oil and gas, construction, and plumbing. 2. Alloy Steel Pipes: These pipes are made by combining different metals, such as chromium, nickel, or molybdenum, with carbon steel. Alloy steel pipes offer enhanced strength, corrosion resistance, and heat resistance. They are often used in high-pressure applications, such as in power plants and chemical plants. 3. Stainless Steel Pipes: Stainless steel pipes are highly resistant to corrosion and oxidation, making them suitable for applications where hygiene and durability are crucial. They are commonly used in industries like food processing, pharmaceuticals, and water treatment. 4. Galvanized Steel Pipes: These pipes are coated with a layer of zinc to protect them from rust and corrosion. Galvanized steel pipes are commonly used in plumbing systems and outdoor structures, such as fences and handrails. 5. Seamless Steel Pipes: Seamless pipes are produced 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: Welded pipes are made by rolling or bending a flat steel plate into a cylindrical shape and then welding the edges together. They are commonly used in industries such as construction, oil and gas, and automotive. 7. ERW (Electric Resistance Welded) Steel Pipes: ERW pipes are made by passing a high-frequency electrical current through the steel strip, causing it to heat and form a weld. They are widely used in various applications, including plumbing, water wells, and structural support. 8. LSAW (Longitudinal Submerged Arc Welded) Steel Pipes: LSAW pipes are made by bending and welding steel plates into a cylindrical shape. They are commonly used for transporting large volumes of oil, gas, or water over long distances. These are just a few examples of the diverse range of steel pipes available in the market. The choice of the right type of steel pipe depends on factors such as the intended application, environmental conditions, and budget considerations. It is important to consult with experts or professionals to determine the most suitable type of steel pipe for a specific project or application.
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Square rectangular tube for engineering construction
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT or LC
- Min Order Qty:
- 25 m.t.
- Supply Capability:
- 10000 m.t./month
OKorder Service Pledge
OKorder Financial Service
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