• 304 stainless steel welded polished pipe System 1
  • 304 stainless steel welded polished pipe System 2
304 stainless steel welded polished pipe

304 stainless steel welded polished pipe

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Loading Port:
Shanghai
Payment Terms:
TT OR LC
Min Order Qty:
50 m.t.
Supply Capability:
3000 m.t./month

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Item specifice

Standard:
AISI,ASTM
Technique:
Cold Drawn
Shape:
Round
Surface Treatment:
Polished
Steel Grade:
300 Series
Certification:
ISO,SGS
Thickness:
2mm
Length:
1500mm
Outer Diameter:
30mm
Net Weight:
1.5kg
Name:
304stainless steel welded pipe
Brand:
TISCO,LISCO,BAO
Price terms:
CIF, FOB,CFR
Grade:
304

 304 stainless steel welded polished pipe

  1. Some details of our products
    Product: stainless steel pipe
    Grade:304;316
    Standard:ASTM,AISI,JIS,EN,DIN,GB
    Surface treatment:8k, ba
    Thickness:1.0-60mm
    Outer Diameter6-630mm
    Productivity:800MT/Month
    Products range Industrial tube, decorative tube

  2. Processing: Stainless steel pipe                                       

  3. There are high-tech equipments to processing stainless coils and sheets/plates with skilled workers.
     
    Cut to length
    Decoiling and slitting
    Grinding and brushing
    Film protection
    Plasma and water jet cutting
    Folding and embossing

  4. Product show

304 stainless steel welded polished pipe

5.RFQ

1.small quantity, short time delivery
If we have stocks, the delivery time is less than 7 days,If the quantity is more than 500Tons,the delivery time is abou 30 days after confirming the order.

2.Choose the appropriate metals stainless steel for your needs.
We carefully balance quality, delivery time and price,procure various grades metals from all over the world.

3.Lower total cost
We taking your processing into account,offer you reduce a total cost by using our product.
We assure you:
Small MOQ + Cheap Price + Fantastic Quality + Fast Delivery

 

Q:How are stainless steel pipes joined together?
Stainless steel pipes are typically joined together using a variety of methods depending on the specific application and requirements. The most common methods for joining stainless steel pipes include welding, threaded connections, and flanges. Welding is the most durable and secure method of joining stainless steel pipes. It involves melting the edges of the pipes together and fusing them using heat. There are different types of welding techniques used, such as TIG (Tungsten Inert Gas) welding, MIG (Metal Inert Gas) welding, and stick welding. TIG welding is often preferred for stainless steel due to its precise control and clean finish. Threaded connections are another popular method for joining stainless steel pipes, especially for smaller diameters. This method involves screwing the pipes together using threads on the outer surface of the pipe ends. Threaded connections provide a strong and reliable joint, but they may not be suitable for applications with high pressure or temperature. Flanges are used to join stainless steel pipes when a detachable connection is required. A flange is a flat, circular plate with bolt holes that allows two pipes to be bolted together. Flanges are commonly used in industries where frequent assembly and disassembly are necessary or where maintenance and repair are required. It is important to note that the choice of joining method depends on factors such as the pipe diameter, pressure rating, temperature, and specific application requirements. Additionally, proper preparation and alignment of the pipes, along with the use of suitable filler materials and techniques, are crucial for achieving strong and leak-free joints in stainless steel pipe systems.
Q:What are the common applications for stainless steel pipes?
Stainless steel pipes have a wide range of applications due to their unique properties and versatility. Some of the common applications for stainless steel pipes include: 1. Plumbing and water supply systems: Stainless steel pipes are commonly used in plumbing and water supply systems due to their corrosion resistance and ability to withstand high pressure. They provide a reliable and long-lasting solution for transporting water and other fluids. 2. Oil and gas industry: Stainless steel pipes are extensively used in the oil and gas industry for transporting oil, gas, and other hydrocarbons. They can withstand high temperatures and pressures, making them suitable for exploration, production, and transportation of these resources. 3. Food and beverage industry: Stainless steel pipes are widely used in the food and beverage industry due to their hygienic properties and resistance to corrosion. They are commonly used for transporting liquids, such as milk, juices, and processed foods, ensuring the safety and quality of the products. 4. Chemical and pharmaceutical industry: Stainless steel pipes are highly resistant to corrosion, making them ideal for the chemical and pharmaceutical industry. They are used for transporting various chemicals, acids, and solvents, ensuring the integrity of the substances being transported. 5. Construction and architecture: Stainless steel pipes are used in construction and architectural applications due to their aesthetic appeal and structural strength. They are often used for handrails, balustrades, structural columns, and decorative applications, adding a modern and sleek look to buildings. 6. Automotive industry: Stainless steel pipes are utilized in the automotive industry for exhaust systems due to their heat resistance and durability. They can withstand high temperatures and corrosive gases, ensuring the efficient operation of the exhaust system. 7. Power generation: Stainless steel pipes are used in power plants for transporting steam, water, and other fluids. They are resistant to high temperatures and pressures, making them suitable for power generation applications. 8. Aerospace industry: Stainless steel pipes are utilized in the aerospace industry for various applications, including aircraft exhaust systems, hydraulic systems, and fuel lines. They offer high strength-to-weight ratio, corrosion resistance, and reliability, meeting the stringent requirements of the aerospace industry. In summary, stainless steel pipes find applications in various industries due to their corrosion resistance, durability, and versatility. They are used in plumbing, oil and gas, food and beverage, chemical and pharmaceutical, construction, automotive, power generation, and aerospace industries, among others.
Q:How do you test the quality of stainless steel pipes?
There are several ways to test the quality of stainless steel pipes. One common method is visual inspection, where the pipes are examined for any surface defects, such as cracks, pits, or irregularities. Another method involves conducting non-destructive tests, such as ultrasonic or X-ray examinations, to detect any internal flaws or defects. Additionally, chemical analysis can be performed to verify the composition and grade of the stainless steel, ensuring it meets the required standards. Mechanical testing, such as tensile and hardness tests, can also be conducted to evaluate the strength and durability of the pipes. Overall, a combination of these testing methods is typically employed to ensure the quality of stainless steel pipes.
Q:Are stainless steel pipes suitable for automotive exhaust systems?
Indeed, automotive exhaust systems benefit greatly from the use of stainless steel pipes. This material is highly favored in the industry due to its exceptional resistance to both corrosion and high temperatures. It is capable of enduring the challenging circumstances experienced by exhaust systems, including exposure to moisture, heat, and chemicals. Moreover, stainless steel pipes possess commendable strength and durability, enabling them to withstand the vibrations and pressure fluctuations inherent to these systems. Additionally, these pipes are renowned for their aesthetic appeal, elevating the overall appearance of the vehicle. In conclusion, stainless steel pipes offer a trustworthy and enduring solution for automotive exhaust systems.
Q:What is the difference between 2205 and 316L stainless steel pipes?
The chemical composition and intended applications distinguish 2205 stainless steel pipes from 316L stainless steel pipes. 2205 stainless steel, a duplex stainless steel, consists of two phases - austenite and ferrite. This composition grants it exceptional corrosion resistance, particularly in environments with high chloride content. Industries such as oil and gas, chemical processing, and marine applications commonly employ 2205 stainless steel pipes due to their corrosion resistance and high strength requirements. On the other hand, 316L stainless steel, an austenitic stainless steel, contains lower carbon content compared to other 300 series grades. It exhibits good corrosion resistance, particularly to acids and chloride solutions, making it suitable for various applications like food processing, pharmaceuticals, and medical equipment manufacturing. Regarding mechanical properties, 2205 stainless steel pipes generally possess higher tensile strength and yield strength than 316L stainless steel pipes. Consequently, 2205 pipes are more appropriate for applications necessitating greater strength and load-bearing capabilities. It is vital to acknowledge that both grades of stainless steel pipes possess their respective advantages and limitations. The selection between 2205 and 316L stainless steel pipes depends on the specific application, environmental conditions, and budgetary considerations. Seeking guidance from a materials engineer or stainless steel expert can aid in determining the most suitable grade for a particular project.
Q:How do you calculate the expansion and contraction of stainless steel pipes?
In order to determine the expansion and contraction of stainless steel pipes, one must consider the coefficient of thermal expansion specific to the grade of stainless steel being utilized. This coefficient measures the extent to which a material expands or contracts in response to temperature fluctuations. To begin, ascertain the initial length of the stainless steel pipe, typically measured at room temperature. Subsequently, determine the temperature variation to which the pipe will be exposed. This variation is determined by calculating the difference between the maximum and minimum temperatures the pipe will encounter. Following this, multiply the initial length of the pipe by the coefficient of thermal expansion corresponding to the specific grade of stainless steel employed. Since the coefficient of thermal expansion can differ depending on the alloy and composition of the stainless steel, it is important to consult the manufacturer's specifications or engineering references for the specific grade in use. Lastly, multiply the obtained result by the temperature variation to ascertain the expansion or contraction of the stainless steel pipe. A positive value indicates expansion, while a negative value indicates contraction. It is crucial to note that the calculated expansion or contraction of the stainless steel pipe is an approximate value and can vary due to factors such as the specific alloy composition, manufacturing processes, and installation conditions. As such, it is advisable to consult a qualified engineer or refer to industry standards for more accurate calculations in specific applications.
Q:Can stainless steel pipes be insulated with silicone?
Yes, stainless steel pipes can be insulated with silicone. Silicone insulation is commonly used for its high temperature resistance and excellent thermal conductivity, making it suitable for insulating stainless steel pipes in various industrial and commercial applications. Silicone insulation helps prevent heat loss or gain, enhances energy efficiency, and provides protection against corrosion and condensation.
Q:What is the difference between 304J2 and 316J2 stainless steel pipes?
304J2 and 316J2 stainless steel pipes differ primarily in their chemical composition and the presence of specific elements. 304J2 stainless steel is a variation of the popular 304 grade. It possesses approximately 18-20% chromium and 8-10.5% nickel, resulting in commendable corrosion resistance, particularly in mildly corrosive surroundings. Nevertheless, its molybdenum content is lower compared to 316J2. In contrast, 316J2 stainless steel is a variant of the 316 grade. It contains roughly 16-18% chromium, 10-14% nickel, and 2-3% molybdenum. The augmented molybdenum content heightens its resistance to corrosion, making it suitable for more aggressive settings like marine or chemical applications. Regarding mechanical properties, both grades exhibit similar tensile and yield strength. However, due to the elevated levels of nickel and molybdenum, 316J2 stainless steel pipes generally display superior resistance to pitting and crevice corrosion. Ultimately, the selection between 304J2 and 316J2 stainless steel pipes relies on the specific application and the extent of corrosion resistance desired. While 304J2 suffices for general use in mildly corrosive environments, 316J2 is preferable when exposure to more aggressive conditions is anticipated.
Q:Can stainless steel pipes be insulated with polyethylene?
Yes, stainless steel pipes can be insulated with polyethylene. Polyethylene insulation is commonly used for thermal insulation of various types of pipes, including stainless steel ones. It helps to prevent heat transfer and can provide effective insulation for both hot and cold water pipes.
Q:What are the common wall thicknesses for stainless steel pipes?
The common wall thicknesses for stainless steel pipes vary depending on the application and the specific grade of stainless steel being used. However, some commonly available wall thicknesses for stainless steel pipes include Schedule 5S, Schedule 10S, Schedule 40S, and Schedule 80S. Schedule 5S typically has a thinner wall thickness and is suitable for low-pressure and light-duty applications. Schedule 10S is slightly thicker and can withstand higher pressures, making it suitable for a wider range of applications. Schedule 40S is commonly used in industrial and commercial settings where higher pressures and temperatures are involved. Schedule 80S has the thickest wall thickness and is typically used in heavy-duty applications, such as the oil and gas industry. It is important to note that these are just some of the common wall thicknesses for stainless steel pipes, and there may be other options available depending on the specific requirements of the project. Consulting with a professional or referring to industry standards and specifications can help determine the appropriate wall thickness for a particular application.

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