Many varieties Stainless Steel Seamles Pipe 304 ASTM A312
- Ref Price:
-
- Loading Port:
- China main port
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 20 m.t.
- Supply Capability:
- 5000 m.t./month
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Product Description:
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:What is the difference between internal coating and external lining of steel pipes?
- Internal coating and external lining are two different methods used to protect steel pipes from corrosion and other forms of damage. Internal coating refers to the process of applying a protective layer or coating to the inner surface of the steel pipe. This is done to prevent the pipe from corroding or being damaged by the fluid or substance being transported through it. The coating is typically made of materials such as epoxy, polyurethane, or polyethylene, which provide a barrier between the pipe and the transported material. Internal coating helps to extend the lifespan of the pipe and maintain the quality of the transported material. On the other hand, external lining refers to the process of applying a protective layer or lining to the outer surface of the steel pipe. This is done to protect the pipe from external factors such as soil, moisture, chemicals, or physical damage. The external lining is usually made of materials such as polyethylene, polypropylene, or fusion-bonded epoxy. The lining acts as a barrier, preventing corrosive substances from coming into contact with the pipe and causing damage. It also helps to maintain the structural integrity of the pipe and prevent any leaks or cracks from forming. In summary, the main difference between internal coating and external lining of steel pipes is the location of the protective layer. Internal coating is applied to the inner surface of the pipe, while external lining is applied to the outer surface. Both methods aim to protect the pipe from corrosion and damage, but they focus on different aspects of pipe protection.
- Q:What are the different types of steel pipe unions?
- Various industries and applications commonly utilize several types of steel pipe unions. Some of the most frequently used types are as follows: 1. Threaded Union: This union features female threads on both ends, facilitating easy attachment to two male threaded pipes. It ensures a reliable connection that is resistant to leaks. 2. Socket Weld Union: On one end, this union has a socket, while the other end is equipped with a female threaded connection. It is specifically designed for socket welding, where the pipe is inserted into the socket and then welded around the joint, resulting in a robust and long-lasting connection. 3. Butt Weld Union: This specific union is employed for joining two pipes with butt weld ends. It necessitates beveling the pipes and subsequently welding them together, creating a sturdy and permanent connection. 4. Compression Union: Typically used for connecting pipes made of softer materials like copper or plastic, compression unions consist of a compression nut and a compression ring. These components are tightened onto the pipe, ensuring a tight and secure seal. 5. Flanged Union: This union is equipped with flanges on both ends, allowing it to be bolted onto two flanged pipes. Flanged unions are commonly utilized in applications where easy disassembly and reassembly are necessary. 6. Grooved Union: Grooved unions possess grooves on their ends, which are utilized for connecting pipes by inserting them into the grooves and securing them with a coupling. They are often utilized in fire protection systems and other applications where quick installation and easy maintenance are of utmost importance. These examples represent only a fraction of the numerous types of steel pipe unions available. The selection of a union depends on the specific requirements of the application, such as the pipe material, size, and operating conditions. Seeking advice from a professional or consulting industry standards can aid in determining the most suitable union for a particular project.
- Q:How do you remove rust from steel pipes?
- To remove rust from steel pipes, there are several methods you can try: 1. Use a wire brush or steel wool: Start by scrubbing the rusted areas with a wire brush or steel wool. This will help remove loose rust and flakes from the surface of the pipes. 2. Apply vinegar or lemon juice: Soak a cloth or sponge in white vinegar or lemon juice and apply it to the rusted areas. Let it sit for a few hours or overnight. The acidic properties of these substances can help dissolve the rust. 3. Use a rust remover or converter: There are various rust remover products available in the market. Follow the instructions on the product and apply it to the rusted areas. These solutions typically convert rust into a water-soluble compound that can be easily rinsed off. 4. Apply a paste of baking soda and water: Mix baking soda with water to create a thick paste. Apply the paste to the rusted areas and let it sit for a few hours. Scrub the area using a brush or steel wool, and then rinse it off. 5. Try using a commercial rust dissolver: If the above methods don't yield satisfactory results, you can consider using a commercial rust dissolver. These products are specifically designed to remove rust from various surfaces, including steel pipes. Follow the instructions provided by the manufacturer. Remember to wear protective gloves, goggles, and a mask when working with rust removal products, as they can be corrosive or release toxic fumes. Additionally, after removing rust, it is advisable to apply a rust-inhibiting primer or paint to prevent future rusting.
- Q:Can steel pipes be used for chemical processing plants?
- Yes, steel pipes can be used for chemical processing plants. Steel pipes are commonly used in chemical processing plants due to their high strength, durability, and resistance to corrosion. They can effectively handle the high temperatures, pressures, and corrosive chemicals involved in various chemical processes. Additionally, steel pipes can be easily welded and connected, making them suitable for complex piping systems within chemical plants.
- Q:How are steel pipes used in mining?
- Steel pipes find extensive use in mining operations for a range of purposes. In mining, one of the primary applications of steel pipes involves the transportation of materials, including water, slurry, and other liquids. These pipes possess exceptional durability and can withstand the harsh conditions typically encountered in mining environments, rendering them highly suitable for long-distance material conveyance. Furthermore, steel pipes serve as crucial components in mining ventilation systems. The provision of fresh air to workers and the elimination of harmful gases and dust are of paramount importance in the mining industry. Steel pipes are employed in the construction of ventilation shafts and ducts, facilitating the airflow throughout the mine and ensuring the safety of the miners in their working environment. Moreover, steel pipes contribute significantly to the construction of underground tunnels and mine shafts. By providing structural support and reinforcement, they effectively prevent collapses and maintain the stability of the mine. The strength and durability inherent in steel pipes make them the ideal choice for these critical applications in mining. Another noteworthy use of steel pipes in mining is for the extraction of resources. In certain instances, steel pipes are deployed to establish boreholes or wells, enabling access to underground deposits of minerals or water. Inserted into the ground, these pipes are instrumental in employing various techniques such as drilling or hydraulic fracturing to extract the desired resources. In summary, steel pipes play an indispensable role in the mining industry, serving an array of purposes, including material transportation, ventilation, structural support, and resource extraction. Their strength, durability, and ability to withstand adverse conditions make them an indispensable asset in mining operations.
- Q:What are the different methods of coating steel pipes for insulation?
- There are several methods of coating steel pipes for insulation, each with its own advantages and disadvantages. 1. Thermal Insulation Coating: This method involves applying a layer of thermal insulation material, such as mineral wool or foam, onto the steel pipe. The insulation material helps to reduce heat transfer and minimize energy loss. Thermal insulation coatings are relatively easy to apply and can provide excellent insulation properties. However, they may be prone to degradation over time and may require regular maintenance and replacement. 2. Corrosion Protection Coating: Steel pipes are often coated with corrosion protection materials, such as epoxy or polyethylene, to prevent rust and corrosion. These coatings act as a barrier between the steel surface and the surrounding environment, protecting the pipe from moisture, chemicals, and other corrosive elements. Corrosion protection coatings are typically durable and long-lasting, providing effective protection for the steel pipe. However, they may not provide significant thermal insulation properties. 3. Fusion-Bonded Epoxy (FBE) Coating: FBE coating is a popular method for both insulation and corrosion protection. It involves applying a layer of epoxy powder to the steel pipe and then heating it to create a strong, durable bond. FBE coatings provide excellent adhesion and resistance to corrosion, as well as some thermal insulation properties. They are commonly used in oil and gas pipelines and can withstand high temperatures and harsh environments. 4. Polyurethane Foam Coating: Polyurethane foam is often used as an insulation coating for steel pipes. It is applied by spraying or injecting the foam onto the pipe surface, which then expands and hardens to create a protective layer. Polyurethane foam coatings provide excellent thermal insulation properties and can be applied to pipes of various sizes and shapes. However, they may require special equipment and expertise for application and may be susceptible to physical damage or moisture absorption if not properly sealed. 5. Ceramic Coating: Ceramic coatings are another option for insulating steel pipes. These coatings are typically applied using a thermal spray process, which creates a layer of ceramic material on the pipe surface. Ceramic coatings can provide high-temperature insulation, corrosion resistance, and thermal shock protection. They are commonly used in industries such as power generation and aerospace, where extreme temperature conditions are present. However, ceramic coatings can be expensive and may require specialized equipment and expertise for application.
- Q:What is the maximum diameter of steel pipes?
- The maximum diameter of steel pipes can vary depending on the specific needs and requirements of a project. However, steel pipes are commonly available in diameters ranging from 1/8 inch to 72 inches or even larger.
- Q:Are steel pipes suitable for underground compressed air systems?
- Yes, steel pipes are generally suitable for underground compressed air systems. Steel pipes have several advantages that make them a popular choice for such applications. Firstly, steel pipes are known for their high strength and durability, which allows them to withstand the pressure and stress associated with compressed air systems. They can handle high operating pressures without any significant risk of bursting or leaking. Secondly, steel pipes have excellent resistance to corrosion and can withstand exposure to moisture, soil, and other underground elements. This makes them a reliable choice for underground installations, where pipes may be exposed to moisture and other potentially corrosive substances. Furthermore, steel pipes are relatively easy to install and maintain. They can be welded or threaded together, ensuring a secure and leak-free connection. Additionally, steel pipes can be easily inspected and repaired if necessary, allowing for cost-effective maintenance and repairs. However, it is important to note that the suitability of steel pipes for underground compressed air systems may also depend on other factors such as the specific requirements and conditions of the system. It is advisable to consult with a professional engineer or a qualified expert to ensure that steel pipes are the most appropriate choice for a specific application.
- Q:Can steel pipes be used for shipbuilding?
- Yes, steel pipes can be used for shipbuilding. Steel is a commonly used material in the construction of ships due to its strength, durability, and resistance to corrosion. Steel pipes are used for various purposes in shipbuilding, including the construction of the ship's hull, superstructure, and various internal systems such as plumbing, ventilation, and fuel lines. The strength and structural integrity of steel pipes make them suitable for withstanding the harsh conditions at sea, such as high pressures, extreme temperatures, and exposure to saltwater. Additionally, steel pipes can be easily welded and shaped to meet the specific requirements of shipbuilding, making them a versatile choice for this industry.
- Q:How do you calculate the pipe pressure drop coefficient for steel pipes?
- To calculate the pipe pressure drop coefficient for steel pipes, you can use the Darcy-Weisbach equation. This equation relates the pressure drop in a pipe to various factors such as the flow rate, pipe diameter, pipe length, and the properties of the fluid being transported. The pressure drop coefficient, also known as the friction factor or the Darcy-Weisbach friction factor, is denoted by the symbol f. It is a dimensionless parameter that represents the resistance to flow in the pipe. The value of f depends on the flow regime, which can be laminar or turbulent. For laminar flow, which occurs at low flow rates or with viscous fluids, the pressure drop coefficient can be calculated using the Hagen-Poiseuille equation. This equation relates the pressure drop to the fluid viscosity, pipe length, pipe diameter, and flow rate. However, for turbulent flow, which occurs at higher flow rates, the calculation of the pressure drop coefficient is more complex. It depends on the roughness of the pipe wall, which affects the flow resistance. The roughness is typically quantified using the relative roughness, which is the ratio of the pipe wall roughness to the pipe diameter. To calculate the pressure drop coefficient for turbulent flow in steel pipes, you can use empirical correlations or Moody's diagram. Moody's diagram provides a graphical representation of the friction factor as a function of the Reynolds number and the relative roughness. The Reynolds number represents the flow regime and is calculated using the fluid properties, flow rate, and pipe dimensions. By finding the intersection of the Reynolds number and relative roughness on Moody's diagram, you can determine the corresponding pressure drop coefficient. It's important to note that the pressure drop coefficient for steel pipes may vary depending on the specific pipe dimensions, surface roughness, and fluid properties. Therefore, it is recommended to consult relevant standards or engineering references for accurate and up-to-date values of the pressure drop coefficient for steel pipes in your specific application.
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Many varieties Stainless Steel Seamles Pipe 304 ASTM A312
- Ref Price:
-
- Loading Port:
- China main port
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 20 m.t.
- Supply Capability:
- 5000 m.t./month
OKorder Service Pledge
Quality Product, Order Online Tracking, Timely Delivery
OKorder Financial Service
Credit Rating, Credit Services, Credit Purchasing
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