Stainless Steel Welded Pipe

Stainless steel welded pipe, referred to as welded pipe, is a steel pipe made of commonly used steel or steel strip after crimping and forming by the unit and mold. The production process of welded steel pipe is simple, the production efficiency is high, there are many varieties and specifications, and the investment in equipment is small, but the general strength is lower than that of seamless steel pipe.

Production process of stainless steel welded pipe:

Features of stainless steel welded pipe:
1. The product is produced continuously on-line, the thicker the wall, the greater the investment in the unit and welding equipment, and the less economical and practical it is. The thinner the wall thickness, its input-output ratio will decrease accordingly;
2. The process of this product determines its advantages and disadvantages. Generally, the welded steel pipe has high precision, uniform wall thickness, high brightness inside and outside the pipe (the surface brightness of the steel pipe is determined by the surface grade of the steel plate), and can be arbitrarily scaled.
Therefore, it embodies its economy and aesthetics in high-precision, medium- and low-pressure fluid applications.

Stainless steel welded pipe is a kind of pipe widely used in industry, construction, chemical industry, medicine and other fields. It has the advantages of corrosion resistance, high temperature resistance, high strength and easy processing, so it is widely used in various fields. This article will introduce the use of stainless steel welded pipes
1. Industrial field
In the industrial field, stainless steel welded pipes are mainly used to transport various liquids, gases and solid particles. For example, petroleum, chemical, pharmaceutical, food and other industries need to use stainless steel welded pipes for transportation. Stainless steel welded pipe has the characteristics of corrosion resistance, high temperature resistance and high strength, which can ensure that there will be no leakage, corrosion and other problems during the transportation process, thereby ensuring the safety and stability of the production process.
2. Construction field
In the field of construction, stainless steel welded pipes are mainly used in drainage systems of buildings, water supply systems, HVAC systems, etc. Stainless steel welded pipe has the characteristics of corrosion resistance, high temperature resistance, and high strength, which can ensure the safety and stability of the drainage, water supply, and HVAC systems of buildings. At the same time, the stainless steel welded pipe also has the characteristics of beautiful appearance and easy cleaning, which can improve the overall aesthetics and hygiene level of the building.
3. Chemical field
In the chemical industry, stainless steel welded pipes are mainly used to transport various chemicals, solvents, acids and alkalis, etc. Stainless steel welded pipes have the characteristics of corrosion resistance, high temperature resistance, and high strength, which can ensure that there will be no leakage, corrosion, etc. during the transportation process, thereby ensuring production Process security and stability. At the same time, stainless steel welded pipes are also characterized by easy cleaning and no impact on chemicals, which can improve production efficiency and product quality.
4. Pharmaceutical field
In the field of medicine, stainless steel welded pipes are mainly used to transport various drugs, solutions, biological products, etc. The stainless steel welded pipe has the characteristics of corrosion resistance, high temperature resistance, and high strength, which can ensure that the drug will not be affected during the transportation process, thereby ensuring the quality and safety of the drug. At the same time, the stainless steel welded pipe also has the characteristics of easy cleaning and no pollution to drugs, which can improve production efficiency and product quality
Stainless steel welded pipe is a kind of pipe widely used in industry, construction, chemical industry, medicine and other fields. It has the advantages of corrosion resistance, high temperature resistance, high strength, and easy processing, which can ensure the safety and stability of the transportation process and improve production efficiency and product quality. With the continuous development of various fields, the application range of stainless steel welded pipes will also continue to expand

Different countries have their own national standards for stainless steel welded pipes. The following are some common national standards:

Chinese standard:
GB/T12770-2012 "Welded stainless steel tubes for mechanical structures". Mainly used in machinery, automobiles, bicycles, furniture, hotel and restaurant decoration and other mechanical parts and structural parts.
GB/T 12771-2019 "Welded stainless steel pipes for fluid transport". Mainly used for transporting fluids.

American standard:
ASTM A312/ASME SA312 Standard for Stainless Steel Seamless Tubing
This standard mainly stipulates the specifications for the manufacturing process, chemical composition and mechanical properties of stainless steel seamless pipes.
ASTM A358/ASME SA358 Stainless Steel Welded Pipe Standard
This standard stipulates the specifications for the manufacturing process and quality inspection of stainless steel welded pipes.

European standard:
European standard stainless steel welded pipe is a stainless steel welded pipe standard formulated within the European Union, mainly including EN 10217-7 and EN 10312. It stipulates the requirements for the material, specification, size and application range of stainless steel welded pipes, and is an important standard for the stainless steel welded pipe industry.

Japanese standard:
JIS G3459: Stainless steel welded steel pipes
JIS G3468: Stainless steel large diameter welded steel pipes, these standards cover the specifications and requirements for stainless steel welded pipes for different purposes and applications

Available Specification：