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: How do you prevent rusting in stainless steel pipes?: To prevent rusting in stainless steel pipes, there are several measures that can be taken: 1. Regular Cleaning: Regularly clean the stainless steel pipes using mild soap or detergent and warm water. This helps to remove any dirt, debris, or contaminants that can cause corrosion. 2. Avoid Abrasive Cleaners: Avoid using abrasive cleaners, steel wool, or harsh chemicals as they can scratch the surface of the stainless steel and compromise its protective layer. 3. Protect from Chlorides: Stainless steel pipes should be protected from exposure to chlorides, such as those found in saltwater or certain cleaning agents. If the pipes are installed in areas where these substances are present, it is important to apply protective coatings or use specialized stainless steel grades that are resistant to corrosion caused by chlorides. 4. Proper Ventilation: Ensure that the stainless steel pipes are properly ventilated to prevent the buildup of moisture, which can accelerate the rusting process. Adequate airflow helps to keep the pipes dry and reduces the risk of corrosion. 5. Regular Inspections: Regularly inspect the stainless steel pipes for signs of rust or corrosion. If any damage or rust spots are detected, they should be addressed promptly to prevent further deterioration. 6. Passivation: Passivation is a chemical treatment process that helps to enhance the corrosion resistance of stainless steel. It involves removing any contaminants from the surface and promoting the formation of a protective oxide layer. Passivation should be done by professionals who are experienced in handling stainless steel. 7. Cathodic Protection: In some cases, cathodic protection can be used to prevent rusting in stainless steel pipes. This involves using sacrificial anodes or impressed current systems to create an electrochemical reaction that protects the stainless steel from corrosion. By following these preventive measures, you can significantly reduce the risk of rusting in stainless steel pipes and ensure their longevity and durability.

Q: How do you calculate the maximum allowable span for stainless steel pipes?: To calculate the maximum allowable span for stainless steel pipes, you need to consider several factors, including the pipe's material properties, dimensions, and the applied load. First, determine the material properties of the stainless steel pipe, such as its yield strength, ultimate tensile strength, and the modulus of elasticity. These values can usually be obtained from the manufacturer's specifications or engineering handbooks. Next, identify the dimensions of the pipe, particularly its outside diameter and wall thickness. These measurements are crucial in determining the pipe's moment of inertia, which affects its ability to resist bending. Once you have these values, you can apply the appropriate formula or calculation method based on the type of load the pipe will be subjected to. There are different calculations for uniformly distributed loads, concentrated loads, or a combination of both. For example, if the load is uniformly distributed along the span, you can use the formula for maximum deflection or sag, which takes into account the pipe's modulus of elasticity, moment of inertia, applied load, and the span length. However, if the load is concentrated at specific points, you may need to consider the maximum bending stress. This calculation involves determining the bending moment, which depends on the load, span length, and the pipe's moment of inertia. You can then compare this bending stress with the pipe's yield strength to ensure it does not exceed the allowable limit. It is important to note that different codes and standards may provide specific guidelines for calculating the maximum allowable span for stainless steel pipes. Therefore, it is advisable to consult relevant industry standards or consult with a qualified engineer to ensure accurate calculations and compliance with safety regulations.

Q: How do you prevent stainless steel pipes from corroding?: There are several measures that can be taken to prevent corrosion in stainless steel pipes: 1. The selection of the appropriate grade of stainless steel is crucial. Each grade has varying levels of corrosion resistance, so it is important to choose a grade that is suitable for the specific environment in which the pipes will be used. For environments that are more corrosive, it is recommended to use higher grades such as 316 stainless steel. 2. Proper installation and maintenance are essential. Ensuring that the pipes are installed correctly with the appropriate gaskets, seals, and fittings will prevent any gaps or leaks that could allow moisture or corrosive substances to enter. Regular inspections and maintenance should be conducted to identify and repair any damage or potential sources of corrosion. 3. Keeping the pipes clean and dry is important. Regular cleaning will remove any contaminants or corrosive substances that may have accumulated. It is important to avoid using harsh chemical cleaners that can harm the protective oxide layer on the surface of the stainless steel. Additionally, prolonged exposure to water or moisture should be avoided to keep the pipes dry and prevent corrosion. 4. The application of protective coatings can provide an additional layer of protection against corrosion. There are specific coatings or paints designed for stainless steel that act as a barrier, preventing direct contact between the stainless steel and corrosive substances. 5. In highly corrosive environments, cathodic protection can be utilized. This involves the use of sacrificial anodes or impressed current systems to divert the electrical current away from the pipes, thus protecting the stainless steel from corrosion. By following these preventive measures, the risk of corrosion in stainless steel pipes can be significantly reduced, leading to a longer lifespan for the pipes.

Q: Can stainless steel pipes be used for nuclear power plants?: Yes, stainless steel pipes can be used for nuclear power plants. Stainless steel is commonly used in nuclear power plants due to its excellent corrosion resistance, high strength, and heat resistance properties. It is suitable for transporting various fluids and gases within the plant, including coolant, steam, and chemicals. Additionally, stainless steel's durability and ability to withstand extreme conditions make it a reliable choice for nuclear power plant applications.

Q: What is the difference between 321 and 347 stainless steel pipes?: The composition of their alloys is the main distinction between 321 and 347 stainless steel pipes. Both grades of stainless steel are titanium-stabilized to prevent the formation of harmful chromium carbides when exposed to high temperatures. However, 347 stainless steel contains additional columbium (niobium), which enhances its resistance to intergranular corrosion. This makes 347 stainless steel pipes suitable for applications that involve exposure to high temperatures and corrosive environments, such as in the petrochemical industry or exhaust systems. On the contrary, 321 stainless steel pipes exhibit excellent resistance to oxidation and scaling at elevated temperatures, making them ideal for applications that require continuous exposure to high heat, like in aircraft exhaust systems or furnace parts. Ultimately, the choice between 321 and 347 stainless steel pipes depends on the specific requirements of the application, with 347 offering superior intergranular corrosion resistance and 321 providing better oxidation resistance.

Q: Can stainless steel pipes be used for agricultural irrigation systems?: Yes, stainless steel pipes can be used for agricultural irrigation systems. Stainless steel is known for its durability, corrosion resistance, and ability to withstand harsh environmental conditions, making it a suitable choice for agricultural applications where long-term performance is required.

Q: In stainless steel tubes, why are there some SS in the back and some standard L, such as 316L and 316SS? What's the difference?: There is no essential difference between 316SS and 316L, the same as austenitic stainless steel, and SS means stainless steel.316SS and 316L stainless steels are made of Mo stainless steel. The total performance of this steel is better than that of 310 and 304 stainless steel. Under high temperature, 316 stainless steel is widely used when the concentration of sulfuric acid is below 15% and higher than 85%. 316 stainless steel also has good chloride corrosion resistance, so it is often used in marine environments.

Q: How do stainless steel pipes compare to fiberglass pipes?: Stainless steel pipes are known for their durability, strength, and resistance to corrosion, making them ideal for high-pressure and high-temperature applications. On the other hand, fiberglass pipes possess excellent corrosion resistance, lower thermal conductivity, and are lighter in weight. However, stainless steel pipes generally have a longer lifespan and require less maintenance compared to fiberglass pipes. Ultimately, the choice between stainless steel and fiberglass pipes depends on the specific requirements and conditions of the project at hand.

Q: Can stainless steel pipes be used for underground gas lines?: Indeed, underground gas lines can utilize stainless steel pipes. Renowned for their impressive resistance to corrosion, stainless steel pipes prove to be an apt selection for underground scenarios wherein moisture and diverse chemicals prevalent in the soil pose a threat. Moreover, these pipes exhibit a remarkable strength-to-weight ratio, rendering them sturdy enough to endure the pressure and environmental circumstances linked to underground gas lines. Furthermore, stainless steel pipes boast an extended lifespan and necessitate minimal upkeep, thus emerging as an economical and dependable choice for subterranean gas distribution systems.

Q: What are the advantages of using stainless steel pipes in the automotive industry?: There are several advantages of using stainless steel pipes in the automotive industry. Firstly, stainless steel pipes offer excellent corrosion resistance, which is crucial in automotive applications where the pipes are exposed to various environmental conditions. Secondly, they have high strength and durability, making them reliable for withstanding high pressure and temperature conditions. Additionally, stainless steel pipes have good thermal conductivity, allowing for efficient heat transfer and preventing overheating in the vehicle's engine or exhaust system. Lastly, they are lightweight compared to other materials, contributing to improved fuel efficiency and overall vehicle performance.

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