• Q345 Pre-Galvanized Pipe2 System 1
  • Q345 Pre-Galvanized Pipe2 System 2
  • Q345 Pre-Galvanized Pipe2 System 3
Q345 Pre-Galvanized Pipe2

Q345 Pre-Galvanized Pipe2

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Loading Port:
Tianjin
Payment Terms:
TT or LC
Min Order Qty:
50MT m.t.
Supply Capability:
5000 Tons Per Month m.t./month

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chemical composition and properties ofQ345 Pre-Galvanized Pipe

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Q:What are the advantages of using steel pipes over other materials like PVC or copper?
There are several advantages of using steel pipes over other materials like PVC or copper. Firstly, steel pipes are extremely durable and can withstand high pressure and extreme temperatures, making them ideal for various applications including industrial and underground use. Secondly, steel pipes have a longer lifespan compared to PVC or copper, reducing the need for frequent replacements and maintenance. Additionally, steel pipes are more resistant to corrosion and are not prone to cracking or leaking, ensuring a reliable and leak-free plumbing system. Lastly, steel pipes have a higher fire resistance rating compared to PVC, making them a safer option for certain environments.
Q:What are the different methods of pipe support for steel pipes?
Various methods exist for supporting steel pipes, each aimed at guaranteeing pipe stability, alignment, and protection. Some frequently employed techniques are as follows: 1. Pipe Hangers: These devices suspend or bear the weight of the pipe from above. Typically crafted from metal, they can be adjustable or fixed, allowing for easy installation and maintenance. Depending on the application, pipe hangers can take the form of clevis hangers, beam clamps, or pipe rollers. 2. Pipe Shoes: These supports attach directly to the underside of the pipe, providing a stable resting surface. Usually made from steel or other durable materials, pipe shoes prevent pipe movement, absorb vibrations, and distribute weight evenly. They find common use in applications involving high temperatures or requiring thermal expansion. 3. Pipe Clamps: These devices fasten pipes together or secure them to structures. Constructed primarily of metal, pipe clamps come in various sizes and designs to accommodate different pipe diameters and configurations. They provide support and prevent sagging or movement, particularly in areas with directional or elevation changes. 4. Pipe Racks: These structures are custom-designed to support multiple pipes in an organized and secure manner. Commonly found in industrial settings like refineries or power plants, pipe racks store or support large quantities of pipes. Typically made of steel, they can be tailored to suit different pipe sizes and layouts. 5. Pipe Guides: These devices facilitate pipe movement control, especially during thermal expansion or contraction. Fixed to the structure, pipe guides offer a sliding surface that accommodates longitudinal pipe movement. They are frequently utilized in applications involving temperature variations, such as steam or hot water systems. These represent just a few examples of the numerous methods available for supporting steel pipes. The choice of support method depends on factors such as pipe size, weight, temperature, and specific application requirements. Selecting the appropriate support method is crucial to ensure pipe longevity and integrity while preventing issues like sagging, misalignment, or failure.
Q:Can steel pipes be insulated for thermal efficiency?
Yes, steel pipes can be insulated for thermal efficiency. Insulating steel pipes helps to reduce heat loss or gain, ensuring better energy efficiency and cost savings. The insulation material, such as foam or mineral wool, is typically wrapped around the pipe to create a barrier that minimizes heat transfer.
Q:How are steel pipes used in the fabrication of storage tanks?
Due to their strength, durability, and versatility, steel pipes are widely employed in the construction of storage tanks. Throughout the tank fabrication process, these pipes serve various functions. To begin with, steel pipes are utilized in establishing the tank's foundation. By providing a robust base, they ensure stability and prevent potential structural problems. Moreover, steel pipes are employed in constructing the tank's shell. Through welding, these pipes are joined together to form a cylindrical structure capable of withstanding the pressure and weight of the stored material. Furthermore, steel pipes are crucial for installing inlet and outlet pipes. These pipes enable the controlled flow of materials in and out of the storage tank. Additionally, steel pipes frequently play a role in fabricating support structures within the tank. These structures distribute the weight of the stored material and offer additional reinforcement to the tank. When it comes to maintenance and repair, steel pipes are also essential. They are used to install access points such as manholes or inspection ports, facilitating routine inspections, cleaning, and any necessary repairs. In summary, steel pipes are indispensable in the fabrication of storage tanks, providing a resilient and dependable framework. They are employed in constructing the tank's foundation, shell, inlet and outlet pipes, support structures, and access points. With their durability and versatility, steel pipes ensure the integrity and functionality of storage tanks.
Q:How are steel pipes protected against ultraviolet (UV) radiation?
Coatings or paints can be applied to steel pipes to protect them from ultraviolet (UV) radiation. These coatings are designed to resist the damaging effects of UV radiation, such as fading, chalking, or degradation of the steel. One common method of protection involves using UV-resistant paints or polymeric coatings that contain additives or pigments capable of reflecting or absorbing UV rays. These coatings not only shield the steel from UV radiation but also provide an extra layer of corrosion protection, increasing the pipes' lifespan. Another method used for UV protection is applying thermal insulation materials. These materials, such as foam or coatings with reflective properties, help reduce the impact of UV radiation on the steel pipes. By acting as a shield, they prevent direct exposure to UV rays and minimize potential damage from prolonged exposure. It's essential to consider various factors, including the specific application, environmental conditions, and desired durability of the steel pipes, when choosing a UV protection method. Seeking advice from experts in the field can help determine the most suitable solution for a particular project or application.
Q:What are the quality control measures for steel pipe production?
Quality control measures for steel pipe production typically involve several steps to ensure the final product meets the required specifications and industry standards. These measures may include inspection of raw materials, such as the steel coils or plates, to ensure they meet the required chemical composition and mechanical properties. During manufacturing, various processes like forming, welding, and heat treatment are closely monitored to maintain dimensional accuracy and integrity. Non-destructive testing methods, such as ultrasonic or radiographic inspection, are often employed to detect any defects or anomalies in the pipes. Additionally, visual inspection, surface treatment assessment, and mechanical testing are conducted to assess the overall quality before the pipes are released for distribution.
Q:How are steel pipes used in the telecommunications sector?
Steel pipes are commonly used in the telecommunications sector for various purposes. Firstly, steel pipes are used as conduit for underground cable installations. These pipes provide protection and support to the fiber optic cables that carry data and voice signals across long distances. The sturdy nature of steel pipes ensures that the cables remain safe from external factors such as moisture, rodents, and accidental damage. Additionally, steel pipes are used in the construction of telecommunication towers and masts. These structures require a strong and durable material to support the weight of antennas, transmitters, and other equipment. Steel pipes, with their high tensile strength and resistance to harsh weather conditions, are ideal for this purpose. Moreover, steel pipes are used for the installation of overhead communication lines. These lines are often suspended between poles or towers, and steel pipes are used as supports or brackets to hold the cables in place. The corrosion-resistant properties of steel make it a reliable choice for outdoor installations that are exposed to the elements. In summary, steel pipes play a crucial role in the telecommunications sector by providing protection, support, and durability to cable installations, tower constructions, and overhead communication lines. Their strength and resistance to environmental factors make them an essential component in building and maintaining reliable telecommunications networks.
Q:Seamless steel tube 89X4 meters, how heavy?
According to the theory, each meter is 8.3844 kilograms. If you want to be precise, you'll lose your own weight.
Q:How are steel pipes coated for insulation purposes?
Steel pipes are commonly coated for insulation purposes using various methods and materials. One common method is the application of a thermal insulation coating. This coating is usually a high-performance polymer or epoxy-based material that is applied to the surface of the steel pipe. Before the coating is applied, the steel pipe is usually cleaned thoroughly to remove any dirt, grease, or rust that may be present on its surface. This is typically done through a process called abrasive blasting, where small particles are propelled at high speed to remove contaminants and create a clean, rough surface for the coating to adhere to. Once the surface is prepared, the thermal insulation coating is applied using different techniques such as spraying, brushing, or rolling. The coating is carefully applied in multiple layers to ensure proper coverage and thickness. This helps to create a barrier between the steel pipe and the external environment, preventing heat transfer and minimizing energy loss. In addition to thermal insulation coatings, steel pipes can also be coated with materials such as polyurethane foam or mineral wool. These materials provide excellent thermal insulation properties and are often used in applications where high-temperature resistance is required. Overall, steel pipes are coated for insulation purposes through a combination of surface preparation and the application of specialized coatings. These coatings help to reduce heat loss, increase energy efficiency, and protect the steel pipe from corrosion and other environmental factors.
Q:How are steel pipes insulated for thermal purposes?
Steel pipes are commonly insulated for thermal purposes using a variety of methods. One of the most common methods is to wrap the pipes with insulation material such as fiberglass, mineral wool, or foam. This insulation material acts as a barrier between the pipe and the surrounding environment, preventing heat transfer or loss. To properly insulate steel pipes, the insulation material is typically wrapped tightly around the pipe, ensuring that there are no gaps or openings for heat to escape. The insulation is then secured in place using adhesive tapes or metal bands. In addition to external insulation, pipes can also be internally insulated. This involves placing insulation material inside the pipe, creating a layer of protection against heat loss or gain. Internal insulation is commonly used in applications where the pipe carries hot fluids or gases. Furthermore, some steel pipes are designed with a built-in insulation layer. These pipes, known as pre-insulated pipes, have insulation material already integrated into the pipe structure. The insulation layer is typically made of foam or mineral wool and is covered with a protective outer layer, providing effective thermal insulation. Insulating steel pipes for thermal purposes is crucial in various industries, such as oil and gas, HVAC, and plumbing. Proper insulation helps to maintain the desired temperature of the fluid or gas flowing through the pipes, preventing energy loss and improving overall efficiency.
The main production and sale of galvanized steel, the thin-walled high-frequency welded pipe, galvanized pipe, square pipe, rectangular pipe, conduit, EMT conduit, greenhouse pipes, galvanized pipes, and other related products, annual production capacity of 40,000 tons. The company has independent export rights.

1. Manufacturer Overview

Location Tianjin ,China
Year Established 2004
Annual Output Value Above 100milion rmb
Main Markets Main land;Middle East;Southeast Asia
Company Certifications ISO 9001

2. Manufacturer Certificates

a) Certification Name  
Range  
Reference  
Validity Period  

3. Manufacturer Capability

a)Trade Capacity  
Nearest Port Tianjin;Qingdao
Export Percentage 41% - 50%
No.of Employees in Trade Department 21-50 People
Language Spoken: English;Chinese
b)Factory Information  
Factory Size: 38000squar meter
No. of Production Lines Above 10
Contract Manufacturing OEM Service Offered;Design Service Offered
Product Price Range High;Average

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