ERW/Welded/Seamless Hot Dipped/ Pre Galvanized Steel Square Rectangular Round Tube Gi Pipe for Construction
Table of Contents
Benefits of Using ERW/Welded/Seamless Hot Dipped/Pre Galvanized steel Tubes and Pipes in Construction Projects
Steel tubes and pipes are essential components in construction projects, providing structural support and carrying fluids or gases throughout a building. When it comes to choosing the right type of Steel tube or Pipe for your construction project, there are several options available, including ERW (Electric Resistance Welded), welded, seamless, hot dipped galvanized, and pre-galvanized steel tubes. Each type has its own unique benefits and applications, making it important to understand the differences between them to make an informed decision.
ERW steel tubes are made by passing a high-frequency electrical current through the steel strip, which heats and fuses the edges together to form a tube. This process results in a strong and durable tube that is suitable for a wide range of applications, including construction. ERW steel tubes are known for their high strength-to-Weight ratio, making them ideal for structural applications where strength and durability are essential.
Welded steel tubes are similar to ERW tubes but are made by Welding the edges of the steel strip together using a welding process. Welded steel tubes are commonly used in construction projects where a high level of precision is required, as the welding process allows for tight tolerances and consistent dimensions. Welded steel tubes are also known for their versatility, as they can be easily customized to meet specific project requirements.
Seamless steel tubes are made by extruding a solid steel billet through a piercing rod to create a seamless tube. This process results in a tube with no seams or welds, making it stronger and more reliable than welded tubes. Seamless steel tubes are commonly used in high-pressure applications, such as Oil and gas pipelines, where strength and reliability are critical.
Hot dipped galvanized steel tubes are coated with a layer of zinc to protect them from corrosion and rust. This coating provides an additional layer of protection against the elements, making hot dipped galvanized steel tubes ideal for outdoor applications where exposure to moisture and harsh weather conditions is a concern. The galvanized coating also gives the steel tube a shiny and attractive appearance, making it a popular choice for architectural and decorative applications.
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Pre-galvanized steel tubes are coated with a layer of zinc before they are formed into a tube. This pre-galvanized coating provides the same level of protection against corrosion as hot dipped galvanized steel tubes but is applied before the tube is formed, ensuring that the entire surface of the tube is coated with zinc. Pre-galvanized steel tubes are commonly used in indoor applications where Corrosion resistance is still important but exposure to the elements is minimal.
OD (mm)
Wall Thickness (mm)
2
2.5
3
3.5
4
4.5
5
6
6.5-7
7.5-8
8.5-9
9.5-10
11
12
Φ25-Φ28
●
●
●
●
●
●
Φ32
●
●
●
●
●
●
Φ34-Φ36
●
●
●
●
●
●
Φ38
●
●
●
●
●
●
Φ40
●
●
●
●
●
Φ42
●
●
●
●
●
Φ45
●
●
●
●
●
●
Φ48-Φ60
●
●
●
●
●
●
●
Φ63.5
●
●
●
●
●
●
●
Φ68-Φ73
●
●
●
●
●
●
Φ76
●
●
●
●
●
●
●
●
●
●
Φ80
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Φ83
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Φ89
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●
●
●
●
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Φ95
●
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Φ102
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Φ108
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Φ114
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Φ121
●
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●
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Φ127
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Φ133
●
●
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Φ140
●
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Φ146
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Φ152
●
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Φ159
●
●
●
●
●
●
●
●
Φ168
●
●
●
●
●
●
●
●
In conclusion, ERW, welded, seamless, hot dipped galvanized, and pre-galvanized steel tubes all have their own unique benefits and applications in construction projects. Whether you need a strong and durable tube for structural support, a seamless tube for high-pressure applications, or a corrosion-resistant tube for outdoor use, there is a type of steel tube that is right for your project. By understanding the differences between these types of steel tubes and pipes, you can make an informed decision and choose the best option for your construction project.
Comparison of Square, Rectangular, and Round Gi Pipes for Different Construction Applications
When it comes to construction projects, choosing the right type of steel pipe is crucial for ensuring the structural integrity and longevity of the building. Among the various options available in the market, ERW/Welded/Seamless Hot Dipped/Pre Galvanized Steel Square, Rectangular, and Round Tubes are popular choices for their durability and versatility. In this article, we will compare the characteristics and applications of these three types of Gi pipes to help you make an informed decision for your construction needs.
Square Gi pipes are known for their strength and rigidity, making them ideal for applications where structural support is required. The square shape of these pipes allows for better load-bearing capacity, making them suitable for building frames, support columns, and other structural elements. Additionally, the flat sides of square pipes make them easy to weld and connect, providing a seamless and secure joint for added stability. Square Gi pipes are commonly used in construction projects that require a high level of structural integrity, such as bridges, high-rise buildings, and industrial facilities.
Rectangular Gi pipes offer similar strength and rigidity as square pipes but with the added advantage of a larger surface area. This makes them ideal for applications where a greater amount of space is needed, such as in the construction of storage tanks, conveyor systems, and architectural features. The rectangular shape of these pipes also allows for easy installation in tight spaces or along curved surfaces, making them a versatile choice for a wide range of construction projects. Additionally, the flat sides of rectangular pipes provide a stable base for mounting fixtures or equipment, making them a popular choice for industrial and commercial applications.
a In case of dispute, laboratory Rockwell C hardness testing shall be used as the referee method.
b No hardness limits are specified, but the maximum variation is restricted as a manufacturing control in accordance with 7.8 and 7.9.
c For through-wall hardness tests of Grades L80 (all types), C90, T95 and C110, the requirements stated in HRC scale are for maximum mean hardness number.
Round Gi pipes are known for their versatility and ease of installation, making them a popular choice for a wide range of construction projects. The circular shape of these pipes allows for smooth flow of fluids and gases, making them ideal for applications such as plumbing, HVAC systems, and drainage. Round Gi pipes are also easy to cut and shape, making them a cost-effective option for custom fabrication and installation. Additionally, the seamless design of round pipes reduces the risk of leaks or corrosion, ensuring long-lasting performance in various construction applications.
In conclusion, the choice between Square, Rectangular, and Round Gi pipes ultimately depends on the specific requirements of your construction project. Square pipes are best suited for applications that require high load-bearing capacity and structural support, while Rectangular pipes are ideal for projects that require a larger surface area and versatility. Round pipes, on the other hand, are a versatile option for a wide range of construction applications due to their ease of installation and seamless design. By understanding the characteristics and applications of each type of Gi pipe, you can make an informed decision that meets the unique needs of your construction project.
Seamless steel tubes are made by extruding a solid steel billet through a piercing rod to create a seamless tube. This process results in a tube with no seams or welds, making it stronger and more reliable than welded tubes. Seamless steel tubes are commonly used in high-pressure applications, such as Oil and gas pipelines, where strength and reliability are critical.
Hot dipped galvanized steel tubes are coated with a layer of zinc to protect them from corrosion and rust. This coating provides an additional layer of protection against the elements, making hot dipped galvanized steel tubes ideal for outdoor applications where exposure to moisture and harsh weather conditions is a concern. The galvanized coating also gives the steel tube a shiny and attractive appearance, making it a popular choice for architectural and decorative applications.
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Pre-galvanized steel tubes are coated with a layer of zinc before they are formed into a tube. This pre-galvanized coating provides the same level of protection against corrosion as hot dipped galvanized steel tubes but is applied before the tube is formed, ensuring that the entire surface of the tube is coated with zinc. Pre-galvanized steel tubes are commonly used in indoor applications where Corrosion resistance is still important but exposure to the elements is minimal.
Square Gi pipes are known for their strength and rigidity, making them ideal for applications where structural support is required. The square shape of these pipes allows for better load-bearing capacity, making them suitable for building frames, support columns, and other structural elements. Additionally, the flat sides of square pipes make them easy to weld and connect, providing a seamless and secure joint for added stability. Square Gi pipes are commonly used in construction projects that require a high level of structural integrity, such as bridges, high-rise buildings, and industrial facilities.
