Stainles stainless steel square tube

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Loading Port:: Tianjin

Payment Terms:: TT OR LC

Min Order Qty:: 5 m.t.

Supply Capability:: 4000 m.t./month

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Size	(12-219) x (1-5) x (4000 - 13000)mm
Material grade	304, 304L, TP304, TP304L, 316L, TP316L, 321, F321, etc.
Standard	ISO 9001/ ASTM A269/ A270/ A312/ A213, GB 14976/ GB 13296
Description	Process Method	Cold drawn and than cold rolled
	Surface Finish	2B,BA, Annealing and Pickling,Matt Finish or Satin Finish, Mirror Finish, Wire Drawing or Hairline Finish
	Ends Finish	Plain ends or Bevelled ends
	Test	Eddy current/ Hydrostatic/ Ultrasonic/ Intergranular Corrosion or according to customers' request
Application	For use in the Petroleum, Smelting, Foodstuff, Power, Papermaking, Chemical, Medical Equipment, Aviation, Boiler Heat-Exchanger and other fields
Packing	Each in PVC bags, bundles with knitted plastic bag, wooden cases or according to customers' request

Q: Can stainless steel pipes be insulated with polystyrene?: Yes, stainless steel pipes can be insulated with polystyrene. Polystyrene is a commonly used insulation material due to its excellent thermal insulation properties. It helps prevent heat loss or gain from the pipes and improves energy efficiency. Polystyrene insulation can easily be applied to stainless steel pipes using various methods such as pre-formed insulation jackets, spray foam insulation, or rigid foam board insulation. However, it is important to ensure that the insulation is properly installed and sealed to avoid any potential moisture issues or damage to the pipes.

Q: Are stainless steel pipes suitable for underground applications?: Yes, stainless steel pipes are suitable for underground applications. Stainless steel is known for its high resistance to corrosion, making it an excellent choice for underground installations where pipes are exposed to moisture, soil, and other corrosive elements. It can withstand harsh environments and maintain its structural integrity over time. Stainless steel pipes also have high strength and durability, ensuring they can handle the pressure and stress of being buried underground. Additionally, stainless steel is non-reactive, so it does not contaminate the water or fluid flowing through the pipes. Overall, stainless steel pipes are a reliable and long-lasting option for underground applications.

Q: Can stainless steel pipes be used for food processing equipment?: Stainless steel pipes have the capability to be utilized for food processing equipment. The food industry highly favors stainless steel due to its ability to resist corrosion, its durability, and its hygienic properties. It does not interact with food or beverages, guaranteeing the absence of contamination or alteration of the product. In addition, stainless steel pipes are easily cleaned and maintained, making them an ideal option for use in food processing equipment where cleanliness and food safety are crucial. Furthermore, stainless steel has the capacity to endure high temperatures and pressures, which are often necessary in food processing operations. In conclusion, stainless steel pipes are a suitable choice for food processing equipment and are extensively employed in the industry.

Q: How do you join stainless steel pipes together?: To join stainless steel pipes together, there are several methods available, depending on the specific requirements and application. 1. Welding: Welding is the most common and widely used method for joining stainless steel pipes. It involves the application of heat to melt the material, forming a strong and durable bond. Different welding techniques like TIG (Tungsten Inert Gas) or MIG (Metal Inert Gas) welding can be used for this purpose. 2. Compression fittings: Compression fittings are a popular choice for joining stainless steel pipes, especially in plumbing applications. These fittings consist of a compression nut and a ferrule that are tightened onto the pipe, creating a secure and leak-proof connection. 3. Flanges: Flanges are used when a more robust connection is required, such as in high-pressure or high-temperature applications. Two stainless steel pipes are joined together by bolting flanges at the ends, creating a tight and reliable connection. 4. Threaded connections: Stainless steel pipes can also be joined using threaded connections, where one end of the pipe is threaded and the other end is fitted with a threaded pipe fitting, such as a union or nipple. This method is commonly used for smaller diameter pipes or in situations where disassembly may be required. 5. Clamps and couplings: Clamps and couplings are used to join stainless steel pipes temporarily or in situations where frequent disassembly is required. These devices clamp around the pipes and are tightened using bolts or other mechanisms, creating a secure connection. It is important to consider the specific requirements, such as pressure, temperature, and corrosion resistance, when choosing the appropriate method to join stainless steel pipes. Consulting with a professional or referring to industry standards and guidelines can ensure a successful and reliable pipe connection.

Q: Are stainless steel pipes suitable for food storage facilities?: Stainless steel pipes are a perfect fit for food storage facilities. The food industry widely embraces stainless steel due to its many advantageous properties. Firstly, stainless steel's resistance to corrosion is crucial in food storage facilities where exposure to moisture and various food products is common. This resistance guarantees that the pipes will not rust or deteriorate over time, thus preventing any potential contamination of the stored food. Furthermore, stainless steel pipes are easy to clean and maintain, making them the ideal choice for food storage facilities that must comply with strict hygiene standards. The smooth and non-porous surface of these pipes prevents the buildup of bacteria, ensuring that the stored food remains safe and uncontaminated. Stainless steel is also a non-reactive material, meaning it does not release any harmful substances into the food. This is particularly important in food storage facilities, as it guarantees the preservation of the integrity and quality of the stored food products. Additionally, stainless steel pipes possess excellent strength and durability, enabling them to withstand the high pressures and temperature fluctuations commonly encountered in food storage facilities. This ensures that the pipes will not fail or break, providing a dependable and long-lasting solution. To conclude, stainless steel pipes are highly suitable for food storage facilities due to their resistance to corrosion, ease of cleaning, non-reactive nature, and strength. They create a safe and hygienic environment for storing food, thereby ensuring the preservation of the integrity and quality of the stored products.

Q: What is the difference between ERW and EFW stainless steel pipes?: ERW (Electric Resistance Welded) and EFW (Electric Fusion Welded) are two different methods used for manufacturing stainless steel pipes. The main difference between the two lies in the welding process. ERW stainless steel pipes are manufactured by rolling a flat sheet of steel into a cylindrical shape and then welding the edges together using a high-frequency electrical current. This process creates a strong, seamless joint between the two edges of the sheet, resulting in a pipe that is highly resistant to corrosion and has a smooth interior surface. ERW pipes are commonly used in applications where strength and durability are required, such as in the oil and gas industry. On the other hand, EFW stainless steel pipes are made by applying a combination of heat and pressure to melt the edges of two pieces of steel and then welding them together. This fusion welding process results in a pipe that has a continuous weld along its entire length, eliminating the need for any additional welding. EFW pipes are known for their excellent corrosion resistance and are often used in applications where high-pressure and high-temperature conditions are present, such as in chemical plants and power generation facilities. In summary, the main difference between ERW and EFW stainless steel pipes lies in the welding process. ERW pipes are made by welding the edges of a flat sheet, while EFW pipes are made by fusing the edges of two pieces of steel. Both methods have their respective advantages and are used in different applications depending on the specific requirements of the project.

Q: Can stainless steel pipes be used for automotive applications?: Yes, stainless steel pipes can be used for automotive applications. Stainless steel offers excellent corrosion resistance, high strength, and durability, making it suitable for various automotive components such as exhaust systems, fuel lines, and brake lines. Stainless steel pipes also have good heat resistance, which is essential for withstanding high temperatures generated by engines.

Q: Can stainless steel pipes be used for air pollution control systems?: Yes, stainless steel pipes can be used for air pollution control systems. Stainless steel is known for its corrosion resistance, durability, and high-temperature strength, making it a suitable material for handling corrosive gases and pollutants in air pollution control systems. Additionally, stainless steel pipes offer excellent resistance to chemical reactions and can withstand harsh operating conditions, making them an ideal choice for such applications.

Q: Can stainless steel pipes be insulated with polyethylene-co-vinyl acetate?: Yes, stainless steel pipes can be insulated with polyethylene-co-vinyl acetate (PEVA). PEVA is commonly used as an insulating material due to its excellent thermal insulation properties. It is a flexible and durable material that can be easily applied to stainless steel pipes for insulation purposes. PEVA insulation helps to prevent heat loss or gain, reduces energy consumption, and provides protection against condensation. Additionally, PEVA is resistant to moisture, chemicals, and UV radiation, making it suitable for outdoor applications as well. Therefore, using PEVA as insulation for stainless steel pipes is a viable option.

Q: What are the different types of stainless steel pipe valves?: Various stainless steel pipe valves are available, each serving specific purposes and industries. Some commonly utilized types include: 1. Ball valves: These valves control fluid flow with a rotating ball featuring a central hole. They possess excellent sealing capabilities, making them suitable for high-pressure applications. 2. Gate valves: Flow control is achieved through a sliding gate in gate valves. They are commonly employed in situations that require a straight-line flow with minimal pressure drop. 3. Globe valves: Globe valves consist of a spherical body and a regulating disc that moves vertically. They offer effective throttling abilities and are often utilized in applications that demand precise fluid flow control. 4. Check valves: These valves permit fluid to flow in only one direction and prevent backflow. They are frequently installed in piping systems to prevent damage caused by reverse flow. 5. Butterfly valves: Butterfly valves utilize a rotating disc within the pipe to regulate flow. Their lightweight, compact nature and cost-effectiveness make them suitable for a wide array of applications. 6. Needle valves: Needle valves possess a slender, tapered stem that allows for precise control over flow rates. They are commonly found in applications that necessitate accurate flow regulation, such as laboratory or instrumentation systems. 7. Pressure relief valves: These valves automatically release excess pressure from a system when it surpasses a certain threshold. They are crucial for maintaining the safety and integrity of piping systems. These examples represent only a fraction of the stainless steel pipe valves available. The choice of valve depends on factors such as fluid type, pressure, temperature, and specific application requirements. It is important to consult with a valve expert or engineer to select the most suitable valve for your specific needs.

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