Stainless Steel Pipe for Decoration in AISI 201 202 301 304 316 430 304L 316L

Stainless Steel Pipe for Decoration in AISI 201 202 301 304 316 430 304L 316L System 1

Stainless Steel Pipe for Decoration in AISI 201 202 301 304 316 430 304L 316L System 2

Stainless Steel Pipe for Decoration in AISI 201 202 301 304 316 430 304L 316L System 3

Stainless Steel Pipe for Decoration in AISI 201 202 301 304 316 430 304L 316L System 4

Stainless Steel Pipe for Decoration in AISI 201 202 301 304 316 430 304L 316L

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Loading Port:: China main port

Payment Terms:: TT OR LC

Min Order Qty:: 5 m.t.

Supply Capability:: 100000 m.t./month

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Specifications

1) Products	S.S round pipe , SS square pipe , S.S. embossed pipe , S.S. threaded pipe
2) Materials	Grade AISI 304, AISI 201, AISI 202, AISI 301,AISI 316 , AISI 304L , AISI 316L , AISI 430
3) Standard	ASTM A554, ISO9000
4) Product range
a) Round and embossed tube O.D. (mm)	9.5 , 12.7 , 15.9 , 17 , 18 , 19. 1 , 20 , 21 , 22.2 , 23 , 25.4 , 28 , 31.8 , 33, 35, 36, 38.1 , 40 , 41.8 , 42 , 45, 48 , 50 , 50.8 , 56 , 57 , 60, 63.5 , 76.2 , 80 , 89 , 101.6 , 108 , 114 , 127 , 133 , 141 , 159 , 168, 219
b)Square tube side length (mm)	1010 , 1212 , 1515 , 1818 , 19 * 19 , 2010 , 2020 , 22* 22 , 23* 11 , 23 23 , 24 12 , 2424 ,2513 , 2525 , 2828 , 3015 , 3030 , 3060 , 3623 , 3636 , 3825 , 3838 , 4010 , 4020 , 4040 ,4575 , 4823 , 4848 , 5025 , 5050 , 5513 , 6040 , 6060 , 7030 , 7343 , 8040 , 8060 , 8080 , 9545 , 10040 ,10050 ,100100 , 12060 , 150100 , 150150
c) wall thickness	0.25 - 3.0mm
5) Length of tube	3000 - 8000 mm
6) Polishing	600 grit , 400 grit, 320grit , 240 grit, HL, 2B, BA
7) Term of payment	T / T 30% in advance ,the balance 70% to be paid at delivery .
8) Basic Information
1) Company Name	Foshan Zaihui Stainless steel product Co., Ltd
2) Business Type	Manufacturer
3) Number of Employees	300-500 people
4)Factory Size	46,000 square meters
9)Trade & Market	North America ,South America ,Eastern Europe ,Southeast Asia ,Eastern Europe ,Western Europe
10) Export Percentage	30% - 50%
11)Application	road lamp facilities , bridge handrail ,expressway railing ,bus stop ,airport and gymnasium .
12) Attention	products all with high quality and competitive price

Chemical Composition	201	202	301	304	316	430
C	≤0.08	≤0.06	≤0.06	≤0.06	≤0.08	≤0.12
S	≤0.02	≤0.02	≤0.03	≤0.03	≤0.03	≤0.03
P	≤0.075	≤0.06	≤0.045	≤0.035	≤0.045	≤0.04
Mn	8.5-10.5	8.5-10.5	≤2.0	≤2.0	≤2.0	≤1.0
Si	≤1.0	≤1.0	≤1.0	≤1.0	≤1.0	≤1.0
Cr	14-15	14-16	16-18	17-20	16-18	16-18
Ni	0.8-1.2	4--6	4--7	8--12	12--16	≤0.05

Application Show

Q: What is the difference between 304L and 316L stainless steel pipes?: 304L and 316L are both types of stainless steel pipes, but they differ in terms of their chemical composition and specific properties. 304L stainless steel is a low carbon variation of 304 stainless steel, which means it has a lower carbon content. This makes it more resistant to sensitization, which is the formation of chromium carbide at grain boundaries, leading to intergranular corrosion. Due to its lower carbon content, 304L stainless steel pipes are commonly used in environments where sensitization is a concern, such as in welding applications or in corrosive environments. On the other hand, 316L stainless steel is an austenitic stainless steel that contains molybdenum, which gives it improved corrosion resistance compared to 304L stainless steel. The addition of molybdenum enhances its resistance to pitting and crevice corrosion, making it suitable for use in more aggressive environments such as marine environments or chemical processing plants. In terms of mechanical properties, 316L stainless steel pipes generally have higher tensile strength and yield strength compared to 304L stainless steel pipes. This makes 316L stainless steel pipes more suitable for applications requiring higher strength and durability. In summary, the main difference between 304L and 316L stainless steel pipes lies in their chemical composition and corrosion resistance properties. 304L stainless steel pipes are more resistant to sensitization, while 316L stainless steel pipes offer higher corrosion resistance, particularly in more aggressive environments. The choice between the two types depends on the specific application requirements and the environment in which the pipes will be used.

Q: Can stainless steel pipes be used in the renewable energy industry?: Yes, stainless steel pipes can definitely be used in the renewable energy industry. Stainless steel is a highly versatile and durable material that offers numerous advantages for various applications in renewable energy systems. One of the key benefits of stainless steel pipes is their exceptional corrosion resistance. This makes them ideal for use in environments where exposure to moisture, chemicals, and other corrosive elements is common, such as in solar power plants, geothermal energy systems, and offshore wind farms. Stainless steel pipes can withstand these harsh conditions and maintain their structural integrity over long periods, reducing the need for frequent repairs and replacements. Another advantage of stainless steel pipes is their high strength-to-weight ratio, which allows for the design of lightweight and efficient renewable energy structures. Stainless steel pipes can be used in the construction of support frames, structures, and pipelines for wind turbines, solar thermal collectors, and biomass power plants, among others. Their strength and durability contribute to the overall reliability and longevity of the renewable energy systems. Furthermore, stainless steel pipes are resistant to extreme temperatures, making them suitable for use in high-temperature applications like concentrated solar power systems. These pipes can handle the intense heat generated by solar receivers without undergoing deformation or degradation, ensuring the efficient transfer of heat in the system. In addition to their mechanical properties, stainless steel pipes are also hygienic and environmentally friendly. They are easy to clean and maintain, reducing the risk of contamination and ensuring the purity of fluids in renewable energy processes. Stainless steel is also a recyclable material, aligning with the sustainability principles of the renewable energy industry. Overall, stainless steel pipes offer a reliable, long-lasting, and cost-effective solution for various applications in the renewable energy industry. Their corrosion resistance, strength, temperature resistance, and environmental benefits make them an excellent choice for transporting fluids, supporting structures, and withstanding the demanding conditions of renewable energy systems.

Q: How do you prevent oxidation in stainless steel pipes?: Preventing oxidation in stainless steel pipes can be achieved through several methods. One way to effectively prevent oxidation is by applying a protective coating or finish on the surface of the pipes. Various types of coatings, including paints, epoxy, or polyurethane, can serve as barriers that prevent oxygen from coming into contact with the stainless steel, thus reducing the risk of oxidation. Furthermore, keeping the pipes clean and well-maintained is crucial in preventing oxidation. It is essential to eliminate any accumulated dirt, debris, or corrosive substances from the surface of the pipes. This can be accomplished using mild detergents or specialized cleaning agents specifically designed for stainless steel. Ensuring proper ventilation in the installation area is another preventive measure. Sufficient ventilation helps minimize the presence of moisture or humidity, which can accelerate the oxidation process. Additionally, keeping the pipes dry and avoiding prolonged exposure to water or moisture is vital in preventing oxidation. Lastly, selecting the appropriate grade of stainless steel for the intended application is important. Different grades of stainless steel offer varying levels of resistance to oxidation. For instance, austenitic stainless steel grades like 304 and 316 are highly resistant to oxidation and are commonly used in applications where corrosion resistance is crucial. In conclusion, employing a combination of preventive measures, such as protective coatings, regular cleaning, proper ventilation, and selecting the appropriate stainless steel grade, can effectively prevent oxidation in stainless steel pipes.

Q: How do you calculate the expansion of stainless steel pipes?: To calculate the expansion of stainless steel pipes, you need to consider the coefficient of thermal expansion (CTE) of the material. The CTE is a measure of how much a material expands or contracts when subjected to temperature changes. First, determine the initial length of the stainless steel pipe. This is the length of the pipe at the starting temperature. Next, determine the final temperature at which the pipe will be operating. This is the temperature at which you want to calculate the expansion. Find the CTE value for the particular grade of stainless steel used in the pipe. The CTE is typically given in units of per degree Celsius (or per degree Fahrenheit). Multiply the initial length of the pipe by the CTE value and then multiply it by the change in temperature. This will give you the expansion or contraction of the pipe in the given temperature range. For example, let's say you have a stainless steel pipe with an initial length of 10 meters, a CTE of 17 x 10^-6 per degree Celsius, and you want to calculate the expansion at a final temperature of 100 degrees Celsius. The change in temperature would be 100 degrees Celsius (final temperature) minus the initial temperature. Expansion = Initial Length * CTE * Change in Temperature Expansion = 10 meters * 17 x 10^-6 per degree Celsius * 100 degrees Celsius Expansion = 0.0017 meters or 1.7 millimeters Therefore, the stainless steel pipe would expand by 1.7 millimeters when subjected to a temperature increase of 100 degrees Celsius. It's important to note that this calculation assumes a uniform expansion along the entire length of the pipe. In reality, thermal expansion may vary due to factors such as pipe diameter, wall thickness, and other structural considerations. Therefore, it's recommended to consult with industry standards or engineering references for more accurate calculations in specific applications.

Q: What are the different surface finishes available for stainless steel pipes?: Some common surface finishes available for stainless steel pipes include mill finish, brushed finish, mirror finish, satin finish, and bead blasted finish. Each finish has its own unique appearance and texture, catering to different aesthetic preferences and functional requirements.

Q: Are stainless steel pipes suitable for oil refineries?: Yes, stainless steel pipes are suitable for oil refineries. Stainless steel is known for its high resistance to corrosion and high temperatures, making it an ideal material for handling various corrosive substances, including oil and petroleum products, in refinery operations. Additionally, stainless steel pipes offer excellent strength and durability, ensuring the safe and efficient transportation of fluids within the refinery infrastructure.

Q: What are the different types of stainless steel pipe connections?: There are several types of stainless steel pipe connections, including threaded connections, socket weld connections, butt weld connections, and flanged connections. These connections are used to join different sections of stainless steel pipes together and ensure a secure and leak-proof connection.

Q: How do you pressure test stainless steel pipes?: To pressure test stainless steel pipes, you can use various methods, such as hydrostatic testing or pneumatic testing. Hydrostatic testing involves filling the pipes with water or another suitable liquid and pressurizing them to a specified level using a pump. The pressure is then maintained for a designated period to check for any leaks or failures. Pneumatic testing, on the other hand, involves using compressed air or gas to pressurize the pipes and conducting similar leak detection procedures. It is crucial to follow industry standards, guidelines, and safety measures while performing these tests to ensure the integrity and reliability of the stainless steel pipes.

Q: What is the corrosion resistance of stainless steel pipes?: Stainless steel pipes have excellent corrosion resistance due to the presence of chromium in their composition, which forms a protective oxide layer on the surface. This oxide layer acts as a barrier, preventing the metal from coming into contact with corrosive materials and environments. As a result, stainless steel pipes are highly resistant to corrosion, making them suitable for various applications in industries such as oil and gas, chemical processing, and marine environments.

Q: 310 stainless steel resistance to high temperature?: American brand 310S, also known as 2520, used in high temperature furnace tube manufacturingMain features: austenitic stainless steel

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