Stainless steel tube ; square tube System 1

Stainless steel tube ; square tube

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Loading Port:: Guangzhou

Payment Terms:: TT OR LC

Min Order Qty:: 50 m.t.

Supply Capability:: 10000 m.t./month

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Quick Details

Standard:	JIS,AISI,ASTM,GB	Place of Origin:	China (Mainland)	Model Number:	304 316L 310S
Type:	Welded	Steel Grade:	200 series,300 series,900 series	Application:	light industry,heavy industry,daily necessities and the decoration ind
Certification:	SGS	Thickness:	0.3-100mm	Outer Diameter:	6-1000mm
Item:	stainless steel square tube/pipe	Cetification:	SGS	Welding Line type:	welded
Quality:	High quality tube stainless steel	Package:	In plastic wrapper/wooden case/according to your requirements	Delivery:	In 15 days
Stock:	Available

Packaging & Delivery

Packaging Detail:	In plastic wrapper/wooden case/according to your requirements
Delivery Detail:	In 15 days

Specifications

stainless steel square tube/pipe
T :o.3-100mm
OD:6-1000mm
Finish: bright
Quality: Top quality tube stainless steel

stainless steel square tube/pipe

Thickness:1-100mm

Outer Diameter:10-1000mm

Welding line type: ERW

Item	High quality stainless steel tube price
Standard	ASTM A240,GB/T3280-2007,JIS4304-2005,ASTM A167,EN10088-2-2005,etc
Material	310S,310,309,309S,316,316L,316Ti,317,317L,321,321H,347,347H,304,304L 302,301,201,202,403,405,409,409L,410,410S,420,430,631,904L,Duplex,etc
Thickness	1-100mm
Outer Diameter	Customized
Welding line type	welded or seamless
Package	Standard export package, suit for all kinds of transportation, or as required.
Price term	Ex-Work, FOB, CNF, CFR, CIF, FCA, DDP, DDU, etc
Payment term	T/T,L/C,DP,Western union
MOQ	500Kg
Application	Stainless steel tube applies to construction field, ships building industry, Stainless steel tube can be made according to the customers’ requirements.
Contact	If you have any question, please feel free to contact us. We believe customers first!

Q: Can stainless steel pipes be used for hygienic applications?: Indeed, hygienic applications can utilize stainless steel pipes. In industries such as food and beverage, pharmaceuticals, and biotechnology, where cleanliness is paramount, stainless steel is a highly durable and corrosion-resistant material commonly employed. The smooth surface of stainless steel pipes hinders the growth of bacteria and other microorganisms, making them an appropriate choice for applications that require cleanliness. Furthermore, their smooth surface facilitates easy and thorough cleaning, thereby minimizing the risk of contamination. Furthermore, stainless steel pipes do not react with substances and do not release any harmful materials into the products being transported. This characteristic makes them particularly suitable for applications that demand sanitary conditions, such as in the production and transportation of food, beverages, and pharmaceuticals. Additionally, stainless steel pipes exhibit exceptional resistance to high temperatures, chemicals, and corrosion, thereby guaranteeing the integrity of the system and preventing any contamination or leaks. They are also highly durable and can withstand harsh operating conditions, making them a dependable option for hygienic applications. To summarize, stainless steel pipes possess the necessary attributes, including durability, corrosion resistance, smooth surface, ease of cleaning, and non-reactivity, to cater to hygienic applications. They offer a reliable and sanitary solution for industries that prioritize hygiene.

Q: What is the difference between annealed and tempered stainless steel pipes?: Annealed and tempered stainless steel pipes are both heat-treated to enhance their properties, but they differ in terms of their mechanical characteristics and applications. Annealed stainless steel pipes are soft and ductile due to the annealing process, which involves heating the material to a high temperature and then slowly cooling it. This process relieves internal stresses and increases the steel's flexibility, making it easier to bend and form. Annealed pipes have lower hardness and strength but are more resistant to corrosion. On the other hand, tempered stainless steel pipes undergo a different heat treatment process called tempering. After being quenched, the steel is reheated to a specific temperature and then cooled rapidly. This process improves the steel's strength, hardness, and toughness, making it more suitable for applications that require high mechanical properties. Tempered pipes have higher hardness and strength but may be slightly less resistant to corrosion compared to annealed pipes. The choice between annealed and tempered stainless steel pipes depends on the specific application. Annealed pipes are commonly used in industries that require excellent corrosion resistance and flexibility, such as food processing, pharmaceutical, and chemical industries. Tempered pipes, on the other hand, are preferred in applications that require higher strength and durability, such as construction, automotive, and aerospace industries. In summary, annealed stainless steel pipes are softer and more flexible with better corrosion resistance, while tempered stainless steel pipes are stronger and harder with slightly reduced corrosion resistance. The selection of the appropriate type depends on the mechanical requirements and the environment in which the pipes will be used.

Q: How do you prevent corrosion in stainless steel pipes?: To prevent corrosion in stainless steel pipes, there are a few measures that can be taken. Firstly, it is important to ensure that the stainless steel pipes are made from a high-quality grade of stainless steel. Different grades of stainless steel have varying levels of resistance to corrosion, so selecting the appropriate grade for the specific application is crucial. Secondly, regular cleaning and maintenance of the stainless steel pipes is essential. This involves removing any dirt, debris, or contaminants that can potentially cause corrosion. Cleaning can be done using mild soap or detergent, followed by rinsing with clean water and drying the pipes thoroughly. Moreover, it is advisable to avoid using abrasive cleaners or scrubbers that can scratch the surface of the stainless steel pipes, as this can create small crevices where corrosion can occur. Instead, soft cloth or sponge should be used for cleaning. Additionally, it is essential to protect stainless steel pipes from exposure to corrosive substances or environments. This can be achieved by applying a protective coating or using a corrosion-resistant paint on the pipes. This barrier will prevent direct contact between the stainless steel and corrosive substances, reducing the risk of corrosion. Furthermore, maintaining proper water chemistry is important for preventing corrosion in stainless steel pipes used for plumbing applications. Monitoring and controlling the pH level, hardness, and alkalinity of the water can help minimize the corrosive effects on the pipes. Lastly, ensuring proper installation and design of stainless steel pipes is crucial. This includes avoiding tight bends or sharp corners, which can trap moisture and lead to corrosion. Proper insulation and ventilation should also be considered to prevent condensation and subsequent corrosion. By following these preventive measures, corrosion in stainless steel pipes can be significantly reduced, ensuring their longevity and optimal performance.

Q: Is galvanized steel pipe stainless steel pipe?: Not galvanized pipe, but the surface of the welded pipe galvanized zinc rust protection. The stainless steel pipe is welded by stainless steel band, or made of stainless steel bar punched (seamless pipe). And the two prices are very different

Q: What is the difference between seamless and HFW stainless steel pipes?: Seamless and HFW (High Frequency Welded) stainless steel pipes differ in their manufacturing process and the presence of a welded seam. Seamless stainless steel pipes are produced by piercing a solid billet or ingot and then rolling it into a cylindrical shape. This process eliminates the need for any welding, resulting in a pipe without any seams or joints. The absence of a welded seam enhances the overall strength and integrity of the pipe, making it ideal for high-pressure applications. On the other hand, HFW stainless steel pipes are created by using high-frequency electric resistance welding. In this process, a flat strip of stainless steel is passed through a series of rollers and then welded longitudinally using a high-frequency current. The welded seam is then heat-treated to ensure the same corrosion resistance as the base material. HFW pipes are generally more cost-effective compared to seamless pipes, making them a popular choice for various applications. While both seamless and HFW stainless steel pipes offer excellent corrosion resistance and durability, seamless pipes are often preferred in critical applications where high strength and reliability are crucial. The absence of a welded seam minimizes the risk of leakage and failure, making them suitable for industries such as oil and gas, petrochemical, and nuclear power. HFW stainless steel pipes, on the other hand, are more commonly used in less demanding applications such as water supply, plumbing, and construction. They provide a cost-effective solution without compromising the overall performance and corrosion resistance. In summary, the main difference between seamless and HFW stainless steel pipes lies in their manufacturing process and the presence of a welded seam. Seamless pipes are produced without any welding, offering superior strength and reliability for critical applications. HFW pipes, on the other hand, are manufactured through high-frequency electric resistance welding and are more cost-effective, making them suitable for less demanding applications.

Q: How do you prevent rusting in stainless steel pipes?: To prevent rusting in stainless steel pipes, you can follow a few key steps. Firstly, ensure proper cleaning and maintenance of the pipes to remove any contaminants or corrosive substances. Additionally, avoid exposure to moisture by keeping the pipes dry and using appropriate sealing methods. Applying a protective coating or using corrosion-resistant materials can also help prevent rust formation. Lastly, regular inspections and prompt repairs of any damages or signs of corrosion can ensure the longevity of stainless steel pipes.

Q: What are the standard sizes for stainless steel pipes?: The standard sizes for stainless steel pipes can vary depending on the industry and application. However, there are some commonly used standard sizes that are widely available. In general, stainless steel pipes are produced in nominal sizes ranging from 1/8 inch to 72 inches in diameter. These sizes are typically classified using the Nominal Pipe Size (NPS) system, which refers to the approximate internal diameter of the pipe. The NPS sizes commonly used for stainless steel pipes range from NPS 1/8 to NPS 36. Additionally, stainless steel pipes are available in various schedules, which indicate the wall thickness of the pipe. The most commonly used schedules for stainless steel pipes are Schedule 5, Schedule 10, Schedule 40, and Schedule 80. It's important to note that these standard sizes may vary slightly depending on the country or region. Therefore, it is advisable to consult the relevant standards and regulations specific to your location or consult with a supplier to determine the exact standard sizes available for stainless steel pipes in your area.

Q: Can stainless steel pipes be used for geothermal systems?: Yes, stainless steel pipes can be used for geothermal systems. Stainless steel is a highly durable and corrosion-resistant material, making it suitable for the harsh conditions of a geothermal system. Geothermal systems involve the transfer of heat from the earth's core to the surface, which often requires the circulation of hot water or steam. Stainless steel pipes can effectively handle the high temperatures and pressure associated with geothermal systems without corroding or degrading over time. Additionally, stainless steel is resistant to scaling and mineral build-up, which can be common in geothermal systems. Overall, the use of stainless steel pipes ensures the longevity and efficiency of geothermal systems.

Q: What is the difference between 304J4 and 316J4 stainless steel pipes?: 304J4 and 316J4 stainless steel pipes exhibit contrasting compositions and properties. In terms of their alloy content, 304J4 stainless steel comprises 18-20% chromium and 8-10% nickel, whereas 316J4 stainless steel consists of 16-18% chromium, 10-14% nickel, and 2-3% molybdenum. The elevated levels of nickel and molybdenum in 316J4 stainless steel pipes contribute to their superior resistance against corrosion compared to 304J4 stainless steel pipes. This characteristic renders 316J4 stainless steel pipes more suitable for applications exposed to harsh environments, including marine and chemical industries. Moreover, the increased molybdenum content in 316J4 stainless steel pipes enhances their ability to withstand pitting and crevice corrosion, which commonly occur in chloride-rich surroundings. Consequently, they are the preferred choice for applications involving exposure to seawater or other corrosive substances. Conversely, 304J4 stainless steel pipes offer a more cost-effective option and are frequently employed in less demanding applications, where corrosion resistance is not a primary concern. They find wide usage in industries such as food processing, appliances, and automotive. In conclusion, the fundamental disparities between 304J4 and 316J4 stainless steel pipes lie in their alloy composition and subsequent corrosion resistance properties. 316J4 stainless steel pipes exhibit heightened corrosion resistance, particularly in chloride-rich environments, making them well-suited for more demanding applications, while 304J4 stainless steel pipes present a cost-effective solution and are commonly utilized in less corrosive environments.

Q: What is the difference between 430 and 316 stainless steel pipes?: The main difference between 430 and 316 stainless steel pipes is their composition and properties. 430 stainless steel is a ferritic stainless steel, which means it contains a higher percentage of chromium and has a lower nickel content compared to 316 stainless steel. This makes 430 stainless steel less corrosion resistant and less suitable for applications in highly corrosive environments. On the other hand, 316 stainless steel is an austenitic stainless steel, which contains higher amounts of chromium and nickel, providing excellent corrosion resistance and making it suitable for use in marine environments and industries with high levels of exposure to chemicals and salt. Additionally, 316 stainless steel has superior strength and heat resistance compared to 430 stainless steel.

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