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How to use stainless steel square pipe
what is stainless steel square pipe？The stainless square tube is a hollow, long strip of steel, which is called a square tube because of its square cross-section. A large number of pipelines are used to transport fluids, such as oil, natural gas, water, gas, steam, etc. In addition, when the bending and torsion strength are the same, the weight is lighter, so it is also widely used in the manufacture of mechanical parts and engineering structures.
The performance of stainless steel square pipe
Metals can react with oxygen in the atmosphere to form an oxide film on the surface. The iron oxide formed on ordinary carbon steel will continue to oxidize, causing the rust to continue to expand and eventually forming holes.
This can use paint or oxidation-resistant metal electroplating to protect the surface of carbon steel, but this protective layer is just a thin film. If the protective layer is damaged, the steel below will begin to rust again.
Whether the stainless steel pipe is corroded or not is related to the chromium content in the steel. When the chromium content in the steel reaches 12%, it will not be easy to corrode. The chromium content of the Kuanyu 201 stainless steel pipe is more than 13%, and the chromium content of the ss 304 square pipe is more than 18%.
In the atmosphere, a passivated and dense chromium-rich oxide is formed on the surface of the stainless steel tube to protect the surface and prevent further re-oxidation.
This oxide layer is extremely thin, and the natural luster of the steel surface can be seen through it, giving the stainless steel a unique surface.
If the chromium film is destroyed, the chromium in the steel and the oxygen in the atmosphere will regenerate a passivated film to continue to play a protective role.
In some special environments, stainless steel will also lose efficacy due to some local corrosion. However, unlike carbon steel, stainless steel will not fail due to uniform corrosion, so the corrosion margin is meaningless for stainless steel pipes.
The uses of stainless steel square pipe
In industry, stainless square pipes are mainly used to make conveying pipes. Absolutely, it is more widely used in the construction industry, such as stair handrails, window guards, railings, road partitions, etc. At present, many products Stainless steel pipes are used, such as bicycles, medical equipment, automobiles, and so on.
Advantages of stainless steel square tube
Stainless square pipes are widely used. Of course, there are certain reasons. The most important thing is that it has a long service life, good corrosion resistance, and its own weight is light, but its strength is high, which reduces the product's load, and its bearing capacity is increased so that consumers can use it with more peace of mind.
Introduction of Stainless steel square tube specification
The specifications of stainless steel pipes generally only look at their inner diameter and wall thickness. The length can be determined according to the requirements of consumers. The specifications of common stainless steel pipes on the market are rough as follows: inner diameter of 6.0mm or more, the wall thickness of 13mm or less; inner diameter of more than 30mm, the wall thickness is greater than 1.2mm; the inner diameter is greater than 30mm, the wall thickness is less than 1.2mm, etc.