Stainless Steel Seamles Pipe 304 ASTM A312
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1、Structure of Stainless Steel Seamles Pipe 304 ASTM A312 Description：
Stainless seamless pipe is formed by drawing a solid billet over a piercing rod to create the hollow shell. As the manufacturing process does not include any welding, seamless pipes are perceived to be stronger and more reliable. Historically seamless pipe was regarded as withstanding pressure better than other types, and was often more easily available than welded pipe.
2、Main Features of the Stainless Steel Seamles Pipe 304 ASTM A312：
• High manufacturing accuracy
• High strength
• Small inertia resistance
• Strong heat dissipation ability
• Good visual effect
•Reasonable price
3、Stainless Steel Seamles Pipe 304 ASTM A312 Images：
4、Stainless Steel Seamles Pipe 304 ASTM A312 Specification：
Experienced Lists of Standard |
Applicable Code No. |
Steel Grade |
ASTM |
A213, A269, A312, A789, A790, B677, A268 | TP304/L/H, TP310/S/H, TP316/L/H/Ti, TP317/L, TP321/H, TP347/H, S31803, S32205, S32750, S32304, S31500, TP904L, TP410, TP430, TP405, TP409/409L |
ASME |
SA213, SA312, SA789, SA790, SB677 | TP304/L/H, TP310/S/H, TP316/L/H/Ti, TP317/L, TP321/H, TP347/H, S31803, S32205, S32750, S32304, S31500, TP904L |
JIS |
JIS G3459, JIS G3463 | SUS 304TB, SUS304HTB, SUS304LTB, SUS310TB, SUS310STB, SUS316TB, SUS316LTB, SUS316TiTB, SUS317TB, SUS317LTB, SUS321TB, SUS321HTB, SUS347TB, SUS347HTB |
EN & DIN | EN 10216-5, DIN 17456, DIN 17458 | 1.4301, 1.4307, 1.4541, 1.4878, 1.4401, 1.4404,1.4571,1.4550,1.4438, 1.4436,1.4435, 1.4462, 1.4539, 1.4912, 1.4362 |
GB&GB/T | G B13296 G B/ T14976 | 0Cr18Ni9,00Cr19Ni10,0Cr18Ni10Ti,0Cr18Ni11Nb,0Cr17Ni12Mo2,000Cr17Ni14Mo2,0Cr18 |
Type |
O.D. |
W.T. |
Length | Bending Radius | Application Specification |
S.S Seamless Tubing |
3.17mm – 101.6mm |
0.5mm – 25.4mm |
Max. 22m |
/ | A213, A269, A511, A789; SA213, SA789, B677, SB677; JIS G3463; EN 10216-5 |
S.S. Seamless Pipe |
10.29mm – 355.70mm |
0.89mm – 50.0mm |
Max. 18m |
/ | A312, A790, SA312, SA790, JIS G3459, EN 10216-5 |
S.S. Seamless U-tube |
15.88mm – 76.1mm |
0.89mm – 7.14mm |
Max. 25m |
From 1.5 x OD To 1000mm | A213, A789, SA213, SA789, B677, SB677, JIS G3463, EN 10216-5, SA688 |
Testing:
(1) Hydro-Static Test
(2) Non-Destructive Test
(3) Ultrasonic Test
(4)Eddy-Current Test
5、FAQ of Stainless Steel Seamles Pipe 304 ASTM A312：
①How is the quality of your products?
Our products are manufactured strictly according to national and internaional standard, and we take a test on every pipe before delivered out. If you want see our quality certifications and all kinds of testing report, please just ask us for it.
Guaranteed: If products’ quality don’t accord to discription as we give or the promise before you place order, we promise 100% refund.
②How about price?
Yes, we are factory and be able to give you lowest price below market one, and we have a policy that “ for saving time and absolutely honest business attitude, we quote as lowest as possible for any customer, and discount can be given according to quantity”,if you like bargain and factory price is not low enough as you think, just don’t waste your time.Please trust the quotation we would give you, it is professional one.
③Why should you chose us?
Chose happens because of quality, then price, We can give you both.Additionally, we can also offer professional products inquiry, products knowledge train(for agents), smooth goods delivery, exellent customer solution proposals.Our service formula: good quality+good price+good service=customer’s trust
SGS test is available, customer inspection before shipping is welcome, third party inspection is no problem.
Any question, pls feel free to contact us !
- Q: How do you prevent leaks in stainless steel pipes?
- To prevent leaks in stainless steel pipes, there are several measures that can be taken: 1. Proper installation: It is crucial to ensure that stainless steel pipes are correctly installed. This includes using appropriate fittings and connectors, ensuring that pipes are securely fastened, and following the manufacturer's guidelines for installation. 2. Regular inspection and maintenance: Regularly inspecting stainless steel pipes can help identify any signs of wear, corrosion, or damage that could potentially lead to leaks. This can be done through visual inspection or by using non-destructive testing methods such as ultrasonic testing. 3. Corrosion prevention: Stainless steel pipes are known for their resistance to corrosion, but certain conditions can still lead to corrosion and potential leaks. Implementing corrosion prevention measures such as using corrosion-resistant coatings, cathodic protection systems, or inhibitors can significantly reduce the risk of leaks. 4. Proper cleaning and maintenance: Regular cleaning and maintenance of stainless steel pipes can help remove accumulated debris, dirt, or chemicals that may cause corrosion or damage. This can be done using suitable cleaning agents and techniques recommended by the manufacturer. 5. Pressure testing: Conducting pressure tests on stainless steel pipes is an effective way to identify any weak points or potential leaks. This involves applying pressure to the pipes and monitoring for any pressure drop, which could indicate a leak. Pressure testing should be performed during installation and periodically thereafter. 6. Temperature control: Extreme temperatures can cause thermal expansion or contraction of stainless steel pipes, potentially leading to leaks. Proper insulation, installation of expansion joints, or using flexible connectors can help accommodate these temperature changes and prevent leaks. 7. Regularly monitor and repair: It is important to establish a system for regularly monitoring stainless steel pipes for any signs of leaks or damage. This can include periodic inspections, leak detection systems, or remote monitoring technologies. Promptly repairing any identified issues can prevent further damage and potential leaks. By following these preventive measures, the risk of leaks in stainless steel pipes can be significantly reduced, ensuring their longevity and maintaining the integrity of the system they are a part of.
- Q: Can stainless steel pipes be insulated with neoprene?
- Yes, stainless steel pipes can be insulated with neoprene. Neoprene is a versatile and durable material known for its excellent insulation properties. It is commonly used to insulate various types of pipes, including stainless steel pipes. Neoprene insulation can effectively reduce heat loss or gain, prevent condensation, and provide protection against extreme temperatures. It is also resistant to moisture, chemicals, and UV radiation, making it suitable for a wide range of applications. When properly installed, neoprene insulation can enhance the energy efficiency and performance of stainless steel pipes.
- Q: How long do stainless steel pipes last?
- Stainless steel pipes have an impressive lifespan and can last for several decades, depending on various factors such as the quality of the steel, installation techniques, and maintenance practices. In general, with proper care and maintenance, stainless steel pipes can last 50 years or more.
- Q: What is the difference between 304J3 and 316J3 stainless steel pipes?
- The composition and corrosion resistance properties distinguish 304J3 stainless steel pipes from 316J3 stainless steel pipes. 304J3 stainless steel is characterized by its 18% chromium and 8% nickel content. This grade is known for its excellent corrosion resistance, high strength, and good formability. It finds applications in various fields, including food processing, chemical processing, and architecture. In contrast, 316J3 stainless steel comprises 16-18% chromium, 10-14% nickel, and 2-3% molybdenum. The additional molybdenum enhances its corrosion resistance, particularly against chloride environments. Consequently, 316J3 stainless steel is commonly used in more demanding situations such as marine environments, pharmaceutical equipment, and coastal structures. To summarize, the main distinction between 304J3 and 316J3 stainless steel pipes lies in their composition and resulting corrosion resistance. While both grades provide good corrosion resistance, 316J3 stainless steel offers superior resistance in chloride-rich environments, making it suitable for more challenging applications.
- Q: Are stainless steel pipes more expensive than other materials?
- Although stainless steel pipes tend to be more expensive compared to other materials, they offer significant advantages that justify their higher cost. Renowned for their exceptional durability, corrosion resistance, and longevity, stainless steel pipes can endure extreme temperatures, harsh chemicals, and high pressure, making them suitable for a wide range of applications like construction, plumbing, and industrial processes. Furthermore, stainless steel pipes necessitate minimal maintenance, providing long-term cost reductions. Despite the initial investment being higher, the superior performance and extended lifespan of stainless steel pipes render them a worthwhile choice in numerous scenarios. Ultimately, the decision to opt for stainless steel pipes should be based on the specific requirements and budget limitations of the project.
- Q: What are the different sizes available for stainless steel pipes?
- Stainless steel pipes are available in a wide range of sizes to cater to various industrial and residential applications. The sizes of stainless steel pipes typically depend on their nominal pipe size (NPS) or outside diameter (OD). The most common sizes for stainless steel pipes range from 1/8 inch to 48 inches in diameter. For smaller applications or plumbing systems, stainless steel pipes with NPS 1/8, 1/4, 3/8, and 1/2 are commonly used. These sizes are ideal for household plumbing, water supply lines, and low-pressure applications. As the requirements increase, larger stainless steel pipe sizes are available. Sizes such as NPS 3/4, 1, 1 1/4, 1 1/2, and 2 inches are commonly used in various industries and commercial applications. These sizes are suitable for higher-pressure applications like hydraulic systems, oil and gas pipelines, and chemical processing plants. For industrial applications that require even larger pipes, stainless steel pipes with sizes ranging from 2 1/2 inches to 48 inches in diameter are available. These large pipes are often used in heavy-duty applications such as petrochemical plants, power generation facilities, and large-scale construction projects. It's important to note that stainless steel pipes are also available in different wall thicknesses, commonly referred to as schedules. The schedule number determines the wall thickness, with higher numbers indicating thicker walls. The most common schedules for stainless steel pipes are Schedule 5, Schedule 10, Schedule 40, and Schedule 80. In summary, stainless steel pipes come in a wide range of sizes, starting from 1/8 inch and going up to 48 inches in diameter. The selection of the appropriate size depends on the specific application and the required pressure and flow requirements.
- Q: Are stainless steel pipes suitable for chemical reactors?
- Indeed, chemical reactors find stainless steel pipes to be a fitting choice. Stainless steel, known for its exceptional durability and resistance to corrosion, proves itself as an optimal material for managing a wide range of chemicals and corrosive substances. It exhibits remarkable resistance to both extreme hot and cold temperatures, as well as protection against oxidation and scaling. Stainless steel pipes demonstrate their ability to endure the harsh conditions within a chemical reactor, including aggressive chemicals and high pressure. Furthermore, they boast an effortless cleaning and maintenance process, guaranteeing the integrity and longevity of the chemical reactor system. Ultimately, stainless steel pipes offer a dependable and secure solution for the transportation of chemicals in chemical reactors.
- Q: Are stainless steel pipes suitable for brewery fermentation tanks?
- Yes, stainless steel pipes are suitable for brewery fermentation tanks. Stainless steel has several properties that make it ideal for use in the brewing industry. Firstly, stainless steel is resistant to corrosion, which is crucial in a brewery environment where the tanks are exposed to liquids such as beer and cleaning chemicals. This resistance to corrosion ensures that the pipes will not rust or contaminate the beer during the fermentation process. Additionally, stainless steel is a hygienic material that can be easily cleaned and sanitized, making it perfect for use in the brewing industry where cleanliness is of utmost importance. The smooth surface of stainless steel pipes also prevents the growth of bacteria and other microorganisms, further ensuring the quality and safety of the beer. Furthermore, stainless steel pipes have excellent heat resistance, allowing them to withstand high temperatures during the brewing process without warping or deforming. This durability and heat resistance make stainless steel pipes suitable for use in the fermentation tanks, where the beer is subjected to specific temperature conditions. Overall, stainless steel pipes provide the necessary durability, corrosion resistance, cleanliness, and heat resistance required for brewery fermentation tanks. They are a reliable and suitable choice for maintaining the quality and integrity of the beer during the fermentation process.
- Q: How do you prevent scaling in stainless steel pipes?
- One way to prevent scaling in stainless steel pipes is by using a process called passivation. Passivation involves treating the stainless steel surface with a mild oxidant or acid solution to remove any contaminants and create a protective oxide layer. Regular cleaning and maintenance, avoiding prolonged exposure to high temperatures, and controlling the water chemistry are also effective measures to prevent scaling in stainless steel pipes.
- Q: What is the difference between 304J5 and 316J5 stainless steel pipes?
- The difference between 304J5 and 316J5 stainless steel pipes lies primarily in their chemical composition and corrosion resistance properties. 304J5 stainless steel is a type of austenitic stainless steel that contains 18-20% chromium and 8-10% nickel. It also has a small amount of manganese and carbon. This composition provides excellent strength, durability, and resistance to corrosion, making it suitable for various applications like plumbing, food processing, and chemical industries. However, 304J5 is not as resistant to corrosion in chloride environments as 316J5 stainless steel. On the other hand, 316J5 stainless steel is a higher grade of stainless steel that contains 16-18% chromium, 10-14% nickel, and 2-3% molybdenum. The addition of molybdenum significantly enhances its resistance to corrosion, especially in chloride-rich environments like marine or coastal areas. This makes 316J5 stainless steel pipes more suitable for applications where exposure to saltwater or corrosive chemicals is common, such as in marine equipment, chemical processing plants, and coastal structures. In summary, while both 304J5 and 316J5 stainless steel pipes offer good corrosion resistance, the presence of molybdenum in 316J5 provides it with superior resistance to corrosion, particularly in chloride-rich environments. Therefore, the choice between the two depends on the specific application requirements and the level of corrosion resistance needed.
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Stainless Steel Seamles Pipe 304 ASTM A312
- Ref Price:
-
- Loading Port:
- Ningbo
- Payment Terms:
- TT or LC
- Min Order Qty:
- 1 m.t.
- Supply Capability:
- 5000 m.t./month
OKorder Service Pledge
OKorder Financial Service
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