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The use and material description of stainless steel staircase column

2020-10-09 23:07:35
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Stainless steel stair handrails are made of stainless steel and are mainly divided into handrails, columns, bases and other components, usually referred to as stainless steel stair handrails for short.


   Use:


   movable stainless steel guardrail guard pile fence is mainly used in construction projects. It is widely used in homes, companies, parks, squares, shopping malls, etc. The appearance is very modern.


  Description:


   Movable stainless steel guardrail, guardrail, fence is widely used in most shopping malls now. It feels good, has a modern feel, is easy to clean, and most importantly, it is not rusty and has a long service life. It is very popular.


  Material Description:


   The common stainless steel staircase columns on the market are usually made of stainless steel 304, and coastal areas have more 316 materials, which are anticorrosive


   The rust of 304 stainless steel material may have the following reasons:


  The presence of chloride ions in the use environment


  Chloride ions are widespread, such as salt/sweat traces/sea water/sea breeze/soil and so on. Stainless steel corrodes quickly in the presence of chloride ions, even more than ordinary low carbon steel. Therefore, there are requirements for the use environment of stainless steel, and it needs to be wiped frequently to remove dust and keep it clean and dry. (In this way, you can give him an "improper use".) There is an example in the United States: a company used an oak container to hold a solution containing chloride ions. The container has been used for nearly a hundred years, and it was planned to be replaced in the 1990s. Because the oak material is not modern enough, the container leaked due to corrosion 16 days after the replacement of stainless steel.


   has not undergone solution treatment


  Alloying elements are not dissolved into the matrix, resulting in low alloy content in the matrix structure and poor corrosion resistance.


   natural intergranular corrosion


  This kind of material that does not contain titanium and niobium has the tendency of intergranular corrosion. Adding titanium and niobium, together with stabilization treatment, can reduce intergranular corrosion.


A high-alloy steel that can resist corrosion in the air or in chemically corrosive media. Stainless steel has a beautiful surface and good corrosion resistance. It does not need to undergo surface treatment such as plating, and exerts the inherent surface properties of stainless steel. It is used in many A kind of steel, usually called stainless steel.


   represents high-alloy steel such as 13 chrome steel and 18-8 chrome-nickel steel.


  Analyzed from the perspective of metallography, because stainless steel contains chromium, a thin chromium film is formed on the surface. This film isolates the oxygen from the intrusion of the steel for corrosion resistance.


  In order to maintain the inherent corrosion resistance of stainless steel, steel must contain more than 12% chromium.


   is used where welding is required. The lower carbon content minimizes the precipitation of carbides in the heat-affected zone near the weld, and the precipitation of carbides may cause stainless steel to produce intergranular corrosion (welding erosion) in certain environments.


       Nowadays, many campuses and public places have large high-rise buildings. Based on the consideration of safety factors, according to the survey, stainless steel stairs do not use stainless steel columns on a large scale, and safety hazards cannot be eliminated. The guardrails are used in many university campus teaching buildings and dormitory buildings. The iron railings of libraries and other buildings are used to make up the difference. The surface is painted white. No matter which color, iron railings are prone to rust like a fact. Especially when the care is not taken properly, the weak rust is more serious. With iron fences, students who look unfamiliar are afraid and worry that potential safety issues may erupt.


      The safety of schools using stainless steel columns has always been a concern from all walks of life, even if it is hidden, all one is thoroughly investigated. Many industry experts provide opinions and suggestions. Handrail experts pointed out that stainless steel handrails, rather than iron railings or fences, can greatly reduce or even eliminate potential safety hazards. The stainless steel column is not easy to rust, has good rigidity, high strength, safety, and is very convenient for maintenance.


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