What are the types of stainless steel welded pipes
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What are the types of stainless steel welded pipes
1. Casing welded pipe The casing welded pipe is made by putting another steel pipe on a steel pipe and then welding it. This kind of pipe is easy to process and has high output. It is mainly used in petroleum, chemical industry, natural gas transportation and other fields.
2. Spiral welded pipe Spiral welded pipe is a steel pipe made of annular steel plates. It is made by bending the steel plate into a cylindrical shape and then rolling it into shape. It has the advantages of small size and light weight, and is mainly used in gas, heating and other pipes. 3. Straight seam welded pipe Straight seam welded pipe refers to a pipe that is welded along the main axis of the steel pipe. Its production method is to cut the steel plate into the required length and then twist it into a pipe through welding. It has the advantages of good surface quality, high precision and strong corrosion resistance.
4. Plasma welded pipe Plasma welded pipe refers to a pipe that uses plasma generated by arc welding discharge to melt and connect metal materials. Its main feature is that the hot zone heated when melting and connecting materials is relatively small, so the quality of the material itself is protected.
5. Electroslag welded pipe Electroslag welded pipe refers to a pipe formed by melting metal materials through the heat generated by arc discharge. This kind of pipe has simple manufacturing process and low cost, and is mainly used in construction, bridges and other fields.
6. Classification by surface treatment
Different surface treatment methods of stainless steel welded pipes will also lead to different classification methods. Generally speaking, it can be divided into two categories: mirror bright stainless steel welded pipe and matte stainless steel welded pipe. Among them, mirror-bright stainless steel welded pipes have a smooth surface and are often used in high-end buildings and decorations; matte stainless steel welded pipes have a matte surface and are often used in some industrial occasions.
