Carbon Weld Square Steel Pipe Square Steel Tube
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT or LC
- Min Order Qty:
- 20 m.t.
- Supply Capability:
- 15000 m.t./month
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Product Description:
1、Structure of Hollow Section Steel Pipe Various Size:
The square tubes are used in structural projects, shelves, racks, trailers and in ornamental purpose. The framework made by square steel tubes, is used for providing support to the roof. This framework is also used as roof top ventilation baffles. With compare to round steel tubes, square steel tubes are little more efficient. To be used for construction, furniture structures as well as other fabrication purposes. It is widely used in building, machine, chemical equipment, automobile industrial, container, it is also applied to agriculture and mine machine.
2、Main Features of Hollow Section Steel Pipe Various Size:
• High manufacturing accuracy
• High strength
• Small inertia resistance
• Strong heat dissipation ability
• Good visual effect
• Reasonable price
3、Hollow Section Steel Pipe Various Size Specification：
Standard | ASTM A500, GB6728 |
Grade | A, B, C, Q195, Q235, Q215 |
Thickness | 0.6-10MM |
Section Shape | Square |
Outer Diameter | 10*10-500*500 |
Place of Origin | TIANJIN, China (Mainland) |
Secondary Or Not | Non-secondary |
Application | Hydraulic Pipe |
Technique | HOT-ROLLED |
Certification | CO, MTC, CI, PL |
Surface Treatment | factory state or painted black |
Special Pipe | |
Alloy Or Not | Non-alloy |
Length | 5-12M |
Outer Diameter | 10*10-500*500 |
1) Material: A, B, C, Q195, Q235, Q215
2) Specification range: 10*10-500*500 WT:0.6-10MM ,length:6-12m or according to the requirement of clients.
3) Excutive standards:GB,ASME API5L.ASTM A 106/A53,Despite of the above standards,we can also supply seamless steel pipe with standard of DIN,JIS,and so on,and also develop new products according to the requirements of our clients!
4) Surface:black lacquered,varnish coating or galvanized.
5) Ends:Beveled or square cut,plastic capped,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 Hollow Section Steel Pipe Various Size:
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 choose us?
Choice happens because of our quality and price. Additionally, we can also offer professional products inquiry, products knowledge train (for agents), fast goods delivery, outstanding 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 OK.
6、Hollow Section Steel Pipe Various Size Images：
- Q:What is the difference between hot-dipped galvanized and electro-galvanized steel pipes?
- Hot-dipped galvanized and electro-galvanized steel pipes are both types of steel pipes that have undergone a galvanization process to protect them from corrosion. However, there are some key differences between the two processes. Hot-dipped galvanized steel pipes are immersed in a molten zinc bath, which results in a thick coating of zinc being applied to the surface of the steel. This process creates a durable and long-lasting corrosion-resistant barrier. The thickness of the zinc coating can vary, but it is generally thicker than that of electro-galvanized steel pipes. On the other hand, electro-galvanized steel pipes are coated with a thin layer of zinc using an electroplating process. This process involves passing an electric current through the steel pipes while they are immersed in a zinc solution. The zinc particles are then deposited onto the surface of the steel, creating a thin and uniform protective barrier. One of the main differences between these two processes is the thickness of the zinc coating. Hot-dipped galvanized steel pipes have a thicker and more robust coating, making them more suitable for applications in harsh environments or where the pipes will be exposed to corrosive substances. Another difference is the appearance of the pipes. Hot-dipped galvanized steel pipes typically have a dull grayish finish, while electro-galvanized steel pipes have a smoother and more polished appearance. In terms of cost, electro-galvanized steel pipes are generally more economical compared to hot-dipped galvanized steel pipes. This is because the electroplating process is less labor-intensive and requires less zinc. Overall, the choice between hot-dipped galvanized and electro-galvanized steel pipes depends on the specific application and the level of corrosion resistance required. Hot-dipped galvanized steel pipes are typically used in more demanding environments, while electro-galvanized steel pipes are suitable for less corrosive applications where cost-efficiency is a priority.
- Q:What is the role of steel pipes in HVAC systems?
- Steel pipes are essential components in HVAC systems as they are used to transport hot or cold water, steam, and air throughout the system. They provide a reliable and durable conduit for the distribution of heating, ventilation, and air conditioning, ensuring efficient and effective operation of the system.
- Q:Can steel pipes be used for the construction of offshore platforms?
- Yes, steel pipes can be used for the construction of offshore platforms. Steel pipes are commonly used in offshore platform construction due to their high strength, durability, and resistance to corrosion. These pipes can be used for various purposes such as structural support, transporting fluids, and as conduits for electrical and communication systems. Additionally, steel pipes can be easily fabricated, installed, and maintained, making them a reliable choice for offshore platform construction.
- Q:How are steel pipes protected against UV radiation?
- Steel pipes are typically protected against UV radiation by applying a coating or paint that contains UV stabilizers. These stabilizers help to prevent the degradation and discoloration of the steel caused by prolonged exposure to sunlight and UV rays.
- Q:How are steel pipes used in stadium construction?
- Steel pipes are used in stadium construction for various purposes, including the structural framework, support for seating systems, and the installation of plumbing and electrical systems.
- Q:Can steel pipes be used for water supply systems?
- Yes, steel pipes can be used for water supply systems. Steel pipes are commonly used in water supply systems due to their durability, strength, and resistance to corrosion. However, it is important to ensure that the steel pipes are properly coated or lined to prevent any potential leaching of metals into the water supply. Additionally, regular maintenance and inspection is necessary to prevent any damage or deterioration that could affect the overall integrity of the water supply system.
- Q:What are the different grades of steel used for pipes?
- There are several different grades of steel used for pipes, each with their own specific properties and applications. Some of the most commonly used grades include: 1. Carbon Steel: This is the most common type of steel used for pipes and is typically used in low-pressure applications. It has a low carbon content, usually less than 0.30%, which makes it easy to weld and form. Carbon steel pipes are durable and cost-effective, making them suitable for a wide range of industries. 2. Stainless Steel: Stainless steel pipes are known for their corrosion resistance and high strength. They are made from an alloy of iron and chromium, with additional elements like nickel and molybdenum to enhance their properties. Stainless steel pipes are commonly used in industries such as chemical, food processing, and oil and gas, where corrosion resistance is crucial. 3. Alloy Steel: Alloy steel pipes are made by adding elements such as manganese, chromium, or nickel to carbon steel. This enhances their strength, hardness, and resistance to wear, making them suitable for high-pressure and high-temperature applications. Alloy steel pipes are commonly used in industries such as power generation, petrochemical, and aerospace. 4. Duplex Steel: Duplex steel is a type of stainless steel that contains a combination of austenite and ferrite phases. This results in a material with excellent strength, corrosion resistance, and toughness. Duplex steel pipes are commonly used in offshore oil and gas platforms, as well as in chemical and petrochemical industries. 5. Low-Temperature Steel: Low-temperature steel is designed to withstand extremely cold temperatures without becoming brittle. These pipes are typically used in industries such as cryogenic storage, LNG (liquefied natural gas) transportation, and refrigeration. It is important to select the appropriate grade of steel for a specific application to ensure the pipe's performance and longevity. Factors such as temperature, pressure, corrosion resistance, and cost should be considered when choosing the grade of steel for pipes.
- Q:Can steel pipes be used for both high-pressure and low-pressure systems?
- Yes, steel pipes can be used for both high-pressure and low-pressure systems. Steel pipes are known for their durability and strength, making them suitable for various applications, including both high and low-pressure systems. However, it's important to consider the specific requirements and regulations of the system to ensure the appropriate type and grade of steel pipe is selected for optimal performance and safety.
- Q:How are steel pipes insulated to prevent condensation?
- Steel pipes are typically insulated using materials such as foam or fiberglass that have low thermal conductivity. These insulating materials create a barrier that prevents the transfer of heat between the pipe and the surrounding environment, reducing the temperature difference and minimizing the chance of condensation occurring on the pipe surface.
- Q:What are the common methods for cleaning the inner surface of steel pipes?
- Cleaning the inner surface of steel pipes can be done using different methods. Some commonly used methods include: 1. Mechanical Cleaning: Debris, rust, or scale on the inner surface of the steel pipe can be physically removed using mechanical tools like wire brushes, scrapers, or abrasive pads. This method is effective for removing loose or loosely adhered contaminants. 2. Chemical Cleaning: Stubborn deposits, rust, or scale can be dissolved or loosened using acidic or alkaline solutions. These solutions are circulated through the pipe for a specific period, allowing the chemical to react and break down the contaminants. Chemical cleaning is used when mechanical cleaning is not enough. 3. High-Pressure Water Jetting: High-pressure water is directed through a nozzle into the steel pipe to remove debris, rust, or scale from the inner surface. The force of the water jet dislodges and flushes out the contaminants. This method is efficient for cleaning pipes with complex geometries or hard-to-reach areas. 4. Shot Blasting: High-speed abrasive particles are propelled against the inner surface of the steel pipe to remove rust, scale, or other contaminants. Shot blasting is commonly used for larger pipes or pipes with heavy deposits. It provides a thorough and uniform cleaning by removing the surface layer of the steel along with the contaminants. 5. Ultrasonic Cleaning: High-frequency sound waves are used to create microscopic bubbles in a cleaning solution. These bubbles implode upon contact with the inner surface of the steel pipe, effectively loosening and removing contaminants. Ultrasonic cleaning is particularly effective for cleaning small-diameter pipes or pipes with intricate details. It's important to consider factors such as the type and extent of contamination, pipe size and geometry, and desired level of cleanliness when choosing a cleaning method. Safety measures should always be taken to protect workers and maintain the integrity of the steel pipes.
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Carbon Weld Square Steel Pipe Square Steel Tube
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT or LC
- Min Order Qty:
- 20 m.t.
- Supply Capability:
- 15000 m.t./month
OKorder Service Pledge
OKorder Financial Service
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