SS 316 stainless steel round pipe price list

SS 316 stainless steel round pipe price list

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Loading Port:: Shanghai

Payment Terms:: TT OR LC

Min Order Qty:: 5 m.t.

Supply Capability:: 3800 m.t./month

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Material Composition	201	202	304	316L	430
C	≤0.15	≤0.15	≤0.08	≤0.035	≤0.12
Si	≤1.00	≤1.00	≤1.00	≤1.00	≤1.00
Mn	5.5-7.5	7.5-10	≤2.00	≤2.00	≤1.00
P	≤0.06	≤0.06	≤0.045	≤0.045	≤0.040
S	≤0.03	≤0.03	≤0.030	≤0.030	≤0.030
Cr	13-15	14-17	18-20	16-18	16-18
Ni	0.7-1.1	3.5-4.5	8-10.5	10-14
Mo				2.0-3.0

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Q: How do stainless steel pipes compare to galvanized steel pipes?: Stainless steel pipes and galvanized steel pipes are both commonly used in various industries and applications, but they have distinct differences in terms of their composition, properties, and performance. One of the primary differences between stainless steel and galvanized steel pipes is their composition. Stainless steel pipes are made from an alloy of iron with a minimum of 10.5% chromium content, which provides excellent corrosion resistance and durability. On the other hand, galvanized steel pipes are steel pipes that have been coated with a layer of zinc to protect them from corrosion. In terms of corrosion resistance, stainless steel pipes outperform galvanized steel pipes. The chromium content in stainless steel forms a passive layer of chromium oxide on the surface, which acts as a barrier against corrosion and rust. This makes stainless steel pipes highly resistant to pitting, crevice corrosion, and general corrosion caused by various substances and environmental factors. Galvanized steel pipes, although coated with zinc, are more susceptible to corrosion over time, especially when exposed to harsh conditions or corrosive substances. Another key difference lies in their durability and lifespan. Stainless steel pipes are known for their exceptional strength, toughness, and longevity. They can withstand high pressures, extreme temperatures, and mechanical stresses, making them suitable for demanding applications. Galvanized steel pipes, while durable, have a relatively shorter lifespan compared to stainless steel due to the eventual degradation of the zinc coating, which exposes the underlying steel to corrosion. In terms of maintenance, stainless steel pipes require minimal upkeep due to their inherent corrosion resistance. They are easy to clean and do not require regular painting or coating. On the other hand, galvanized steel pipes may require periodic inspection, maintenance, and re-coating to ensure prolonged protection against corrosion. Cost-wise, galvanized steel pipes are generally more economical upfront compared to stainless steel pipes. However, when considering the long-term benefits of stainless steel's corrosion resistance and durability, the overall cost-effectiveness of stainless steel pipes often surpasses that of galvanized steel pipes. In conclusion, stainless steel pipes offer superior corrosion resistance, durability, and longevity compared to galvanized steel pipes. While galvanized steel pipes may be more cost-effective upfront, stainless steel pipes provide long-term benefits and performance advantages, making them a preferred choice in many applications where corrosion resistance and durability are critical considerations.

Q: How can stainless steel and copper pipe be welded?: Prepare a brass wire cleaning flux of base metal 3/4 stainless steel tube 5/8 copper rust (specific parent material specification is not clear to me) welding tools

Q: Are stainless steel pipes suitable for food processing?: Indeed, stainless steel pipes prove to be an excellent choice for food processing purposes. The food industry widely embraces stainless steel owing to its exceptional characteristics and manifold benefits. Primarily, stainless steel pipes exhibit resistance against corrosion, a pivotal factor in food processing. This resistance guarantees that the pipes will not contaminate the food or alter its flavor. Such corrosion resistance arises from the elevated levels of chromium present in stainless steel, which generate a protective oxide layer on the surface. This layer effectively prevents rusting and corrosion. In addition, stainless steel is renowned for its hygienic nature and ease of cleaning, rendering it ideal for food processing applications. The smooth surface of stainless steel pipes minimizes the risk of bacterial growth and simplifies the elimination of potential contaminants. Furthermore, stainless steel is impermeable, meaning it does not absorb or retain odors, flavors, or colors from the food being processed. Moreover, stainless steel pipes boast durability and a long lifespan, which leads to reduced maintenance and replacement costs. They can withstand high temperatures and pressures, making them suitable for various food processing activities such as cooking, boiling, and sterilization. Lastly, stainless steel represents a sustainable and environmentally friendly option. It is entirely recyclable, making it an eco-conscious choice for food processing facilities. In conclusion, stainless steel pipes are highly suitable for food processing due to their corrosion resistance, hygienic properties, durability, and sustainability. They offer a dependable and secure solution for transporting food and maintaining the quality and integrity of the final products.

Q: Mechanical properties of stainless steel tubes: Strength (tensile strength, yield strength) the strength of stainless steel is determined by various factors, but the most important and basic factor is the addition of different chemical factors, mainly metallic elements. Different types of stainless steel have different strength characteristics due to their differences in chemical composition.

Q: What is the difference between 304LN and 316LN stainless steel pipes?: The main difference between 304LN and 316LN stainless steel pipes lies in their composition and the addition of certain elements. 304LN stainless steel is an austenitic stainless steel that contains low carbon content and nitrogen. It is designed to provide improved strength and corrosion resistance compared to standard 304 stainless steel. The addition of nitrogen promotes the formation of a stable austenite phase, which enhances the material's mechanical properties. On the other hand, 316LN stainless steel is also an austenitic stainless steel but contains molybdenum and a higher nickel content compared to 304LN. The addition of molybdenum increases the material's resistance to pitting corrosion caused by chlorides and other aggressive environments. The higher nickel content further enhances the corrosion resistance and makes it suitable for more demanding applications, such as marine environments or chemical processing. In summary, while both 304LN and 316LN stainless steel pipes are austenitic and offer good corrosion resistance, the addition of molybdenum and higher nickel content in 316LN makes it more suitable for applications where enhanced corrosion resistance is required, especially in aggressive environments.

Q: Can stainless steel pipes be insulated with polyethylene terephthalate?: Yes, stainless steel pipes can be insulated with polyethylene terephthalate (PET). PET is commonly used as an insulating material due to its low thermal conductivity, high melting point, and good resistance to moisture, chemicals, and UV radiation. It can be applied as a protective coating or as a wrap around the stainless steel pipes to prevent heat loss or gain. PET insulation can be easily installed and is highly effective in reducing energy transfer, making it suitable for various applications in industries such as HVAC, plumbing, and oil and gas.

Q: Are stainless steel pipes suitable for sanitary applications?: Stainless steel pipes are indeed a great fit for sanitary purposes. The remarkable corrosion resistance, durability, and hygienic qualities of stainless steel make it the perfect option for settings that call for cleanliness and sanitation, like food processing plants, pharmaceutical facilities, and hospitals. It's worth mentioning that stainless steel pipes are non-porous, meaning they don't absorb or retain bacteria, contaminants, or odors. Moreover, they are effortless to clean and maintain, ensuring the utmost level of hygiene. Furthermore, stainless steel pipes can endure high temperatures and pressures, making them well-suited for a vast array of sanitary applications.

Q: How do you prevent contamination in stainless steel pipes?: In order to prevent contamination in stainless steel pipes, it is of utmost importance to adhere to several critical steps. First and foremost, it is imperative to regularly clean and maintain the pipes. This involves utilizing suitable cleaning agents and methods to eliminate any dirt, debris, or potential contaminants from the pipes. It is crucial to avoid the use of abrasive materials or harsh chemicals that have the potential to harm the surface of the stainless steel. Secondly, it is vital to guarantee the proper installation and sealing of the pipes. Any gaps or leaks in the connections can permit contaminants to enter the system. It is advisable to employ top-quality fittings and seals to ensure a secure and tight connection. Thirdly, the implementation of a comprehensive filtration system can be effective in preventing contamination. Filters have the capacity to eliminate impurities like sediments, particles, and other contaminants that might be present in the fluid or gas flowing through the pipes. It is important to regularly inspect and replace these filters in order to maintain their efficiency. Moreover, regular inspection and monitoring of the pipes are essential. This entails checking for signs of corrosion, rust, or any other damage that could compromise the integrity of the pipes. Addressing any arising issues promptly can prevent contamination and prolong the lifespan of the stainless steel pipes. Lastly, establishing and adhering to proper hygiene practices is crucial. This involves implementing procedures to minimize the introduction of contaminants during maintenance or repairs. It is also important to provide personnel with training on proper handling techniques and emphasize the significance of maintaining cleanliness and hygiene when working with stainless steel pipes. By following these preventive measures, it is possible to minimize the risk of contamination in stainless steel pipes, thereby ensuring the integrity and longevity of the system.

Q: What is stainless steel pipe made of?: Stainless steel pipe is primarily made of an alloy consisting of iron, chromium, and other elements such as nickel and manganese. The exact composition of stainless steel pipes may vary depending on the grade or type of stainless steel being used. Generally, stainless steel pipes have a high chromium content (at least 10.5%) which provides excellent corrosion resistance and durability. The addition of other elements helps to enhance various properties of the stainless steel pipe, such as strength, heat resistance, and weldability. Overall, stainless steel pipes are made of a strong and versatile material that is resistant to corrosion, making them suitable for a wide range of applications in industries such as construction, automotive, and manufacturing.

Q: Can stainless steel pipes be used for power generation applications?: Power generation applications often utilize stainless steel pipes for a variety of reasons. Firstly, the corrosion resistance of stainless steel makes it an ideal choice for withstanding the harsh conditions of power generation processes, including high temperatures and chemical exposure. This durability translates to reduced maintenance and replacement costs over time. Additionally, stainless steel pipes boast exceptional strength and can endure the extreme pressures and temperatures associated with power generation without any deformities or fractures. This reliability is crucial for ensuring the safety and efficiency of power generation systems. Furthermore, stainless steel pipes are highly resistant to scaling and fouling, which commonly occurs in power generation applications due to impurities in the water or steam. The smooth surface of stainless steel pipes minimizes the accumulation of deposits, facilitating efficient heat transfer and preventing any blockages or obstructions. Lastly, stainless steel pipes are compatible with a wide array of power generation fuels, ranging from coal and natural gas to oil and renewable energy sources. They withstand the corrosive effects of these fuels while maintaining their structural integrity. In conclusion, stainless steel pipes are an excellent choice for power generation applications due to their corrosion resistance, durability, strength, and compatibility with various fuels. They provide a reliable and long-lasting solution for the transportation of fluids and gases in power generation systems.

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