As an important building material, stainless steel welded pipe has a wide range of applications. Depending on the standards and specifications, stainless steel welded pipe can be used in different applications and industries. Let’s clarify what stainless steel welded pipe is. Stainless steel welded pipe is formed by welding stainless steel sheets together. Due to its corrosion resistance, high temperature resistance, and high strength, stainless steel welded pipe is widely used in the construction, chemical, and food industries.
Next, let’s take a look at several common stainless steel welded pipe standards and their applicable applications:
1. ASTM A554: This standard, developed by the American Society for Testing and Materials, primarily applies to square and rectangular stainless steel welded pipe. This standard offers excellent strength and corrosion resistance and is commonly used in architectural decoration, furniture manufacturing, and other applications requiring aesthetic appeal. For example, in modern architectural design, stainless steel welded pipe meeting the ASTM A554 standard is often used as structural components such as railings and handrails, ensuring safety while enhancing overall aesthetics.
2. JIS G3446: This standard for stainless steel welded pipe is established by the Japanese Industrial Standards. Welded steel pipes to this standard are commonly used for general structural applications, such as bridges and building structures. Due to their excellent mechanical properties and corrosion resistance, JIS G3446 welded steel pipes are widely used in Japan’s construction industry. They are also used in the manufacture of automotive parts, such as exhaust pipes and mufflers.
3. GB/T 12770: This is the standard for welded stainless steel pipes established by the Chinese national standard. Welded steel pipes to this standard are primarily used for fluid transport piping, such as water supply, drainage, and heating systems. Due to their excellent pressure resistance and sealing properties, welded steel pipes to this standard play a vital role in China’s urban infrastructure. They are also suitable for fluid transport in the food industry, ensuring food safety and hygiene.
4. EN 10305: This is the standard for welded stainless steel pipes established by the European Committee for Standardization. Welded steel pipes to this standard are primarily used in the manufacture of precision instruments and equipment, such as medical devices and laboratory equipment. EN 10305 welded steel pipes, with their extremely high dimensional accuracy and surface finish, meet the stringent requirements of these sectors. For example, in the medical field, this high-precision welded steel pipe can be used to manufacture internal piping systems for surgical instruments and medical devices.
5. ASME SA249: This is the standard for welded stainless steel pipe established by the American Society of Mechanical Engineers. Welded steel pipe to this standard is primarily used in high-temperature and high-pressure environments, such as pressure vessels and heat exchangers. Due to its excellent heat and corrosion resistance, ASME SA249 welded steel pipe is widely used in industries such as petrochemicals and energy. For example, in refineries, this welded steel pipe is used to manufacture key components of reactors and heat exchangers, ensuring safe and stable production processes.
In addition to the common standards mentioned above, many other national and regional standards also define the technical requirements and application scope of welded stainless steel pipe. These standards are designed to ensure that the quality and performance of welded stainless steel pipe meet the needs of specific applications.
Stainless steel pipes of different standards are suitable for different applications and industries due to their unique performance characteristics. From architectural decoration to industrial manufacturing, from daily life to high-end technology, stainless steel pipe plays an indispensable role. With the continuous advancement of technology and changing market demand, more innovations and developments will appear in the field of welded stainless steel pipe in the future.
Post time: Oct-10-2025