Stainless steel can be said to be more common in our lives, and it will have its presence in our construction. However, the role of stainless steel in different occasions is also different, stainless steel decorative pipe is also called stainless steel welded pipe referred to as welded pipe, commonly used steel or steel strip after the unit and the mold after the roll forming welded steel pipe. What are the classifications of stainless steel decorative tubes? Today Xiao Bian gave you an introduction about the classification of stainless steel decorative tubes.
Stainless steel decorative tube
Stainless steel decorative tubes are also called stainless steel welded steel tubes, which are commonly referred to as welded tubes. The commonly used steel or steel strips are welded and made by coiling the unit and the mold. Welded steel pipe production process is simple, high production efficiency, variety specifications, equipment, less, but the general strength is lower than the seamless steel pipe.
Since the 1930s, with the rapid development of high-quality strip continuous rolling production and the advancement of welding and inspection technologies, the quality of welds has been continuously improved, and the variety specifications of welded steel pipes have been increasing, and in more and more areas, especially in Tubes for heat exchange equipment, decorative tubes, and low- and medium-pressure fluid tubes replace seamless steel tubes.
Stainless steel decorative tube classification
There are many kinds of stainless steel pipes, but the main ones are as follows:
First, the classification of stainless steel pipe
1, according to the production method classification:
(1) seamless tube - cold drawn tube, extruded tube, cold rolled tube.
(2) Welded pipe:
(a) According to the process classification - gas shielded pipe, arc welded pipe, resistance welded pipe (high frequency, low frequency).
(b) According to the welding seam - straight seam welded pipe, spiral welded pipe.
2, according to the shape of the cross-section classification: (1) round steel pipe; (2) rectangular pipe.
3, classified by wall thickness - thin-walled steel pipe, thick-walled steel pipe
4. Classification according to the purpose: (1) The civil pipe branching pipe, rectangular pipe, and flower pipe are generally used for decoration, construction, and structure;
(2) Industrial pipes: Industrial piping steel pipes, general piping steel pipes (drinking water pipes), mechanical structures/fluid conveying pipes, boiler heat exchange pipes, food hygiene pipes, and the like. Generally used in various fields of industry such as: petrochemical, paper, nuclear, food, beverage, pharmaceutical and other industries require higher fluid medium pipelines.
Second, seamless steel pipe
Stainless steel seamless pipe is a long steel bar with a hollow section and no joints around it.
1. Seamless steel pipe manufacturing process and process:
Smelting> Steel Bar> Rolling> Sawing> Stripping> Perforation> Annealing> Pickling> Upper Ash> Cold Drawing> Cutting Head> Pickling> Storage
2. The characteristics of seamless steel pipe:
From the above process, we can easily see: First, the thicker the wall thickness of the product, the more economical and practical it is, and the thinner the wall thickness, the greater its processing cost will increase; The process of the product determines its limitations. Generally, the accuracy of the seamless steel pipe is low: the wall thickness is not uniform, the brightness of the inside and outside of the pipe is low, the length of the cut-out is high, and the inside and outside of the table have pits and black spots; they are not easily removed; Detection and shaping must be handled offline. Therefore, it reflects its superiority in high-pressure, high-strength, mechanical structural materials.
Third, welded steel pipe
Welded steel pipes are referred to as welded pipes. They are stainless steel pipes made by welding a steel plate or steel strip after coiling and forming a unit and a mold.
1. Steel plate> Slitting> Forming> Welding> Induced bright heat treatment> Internal and external pass treatment> Shaping> Alignment> Eddy current test> Laser diameter measurement> Pickling> Storage
2. Features of welded steel pipe:
From the above process, we can easily see that: First, the product is continuous online production, the thicker the wall thickness, the greater the investment of the unit and the welding equipment, the less economical and practical it is. The thinner the wall thickness, its input-output ratio will decrease accordingly; secondly, the process of the product determines its advantages and disadvantages. Generally, the precision of welded steel pipe is high, the wall thickness is uniform, and the internal and external surface brightness of the stainless steel pipe is high (the surface level of the steel plate is determined The surface brightness of the steel pipe can be arbitrarily fixed. Therefore, it reflects its economy and aesthetics in high-precision, low-pressure fluid applications.
Editor's summary: The information on the classification of stainless steel decorative tubes has been introduced here for everyone. I hope this article will be helpful to everyone. If you still have something you don't understand, you can leave a message to Xiaobian at the bottom. We will answer your questions as soon as possible.
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