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What is the cause of the damage of the stainless steel valve membrane ?
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What is the cause of the damage of the stainless steel valve membrane ?

  • 分类:NEWS CENTER
  • 作者:Kelly Lee
  • 来源:
  • 发布时间:2021-03-25
  • 访问量:0

【概要描述】

What is the cause of the damage of the stainless steel valve membrane ?

【概要描述】

  • 分类:NEWS CENTER
  • 作者:Kelly Lee
  • 来源:
  • 发布时间:2021-03-25
  • 访问量:0
详情

"Although in theory stainless steel does not rust, once it rusts, it is not stainless steel. It may be that there is a problem with the steel." Such views are considered to be one-sided or lack of understanding of stainless steel. Stainless steel has the ability to resist atmospheric oxidation, that is, non-rust, and it also has the ability to resist corrosion in media containing acid, alkali, and salt, that is, corrosion resistance.
   However, the corrosion resistance of stainless steel varies with the chemical composition of the steel itself, environmental conditions and the type of medium used.

What is the cause of the damage of the stainless steel valve membrane


 
   1. Electrochemical corrosion. The surface of the stainless steel valve accumulates dust containing other metal elements or attachments of foreign metal particles. In moist air, the condensation between the attachments and the stainless steel connects the two into a micro battery, which initiates an electrochemical reaction. The protective film is damaged.
  2. The organic juice adheres to the surface of the stainless steel valve. In the presence of water and oxygen, it forms an organic acid, which will corrode the metal surface for a long time.
  3. The surface of stainless steel valve contains acid, alkali, and salt substances, which can cause local corrosion.
  4. In the polluted air (such as the atmosphere containing a lot of sulfide, carbon oxide, and nitrogen oxide), it will form sulfuric acid, nitric acid, and acetic acid liquid spots when encountering condensed water, causing chemical corrosion.
   About what causes the damage of the stainless steel valve membrane, I will introduce it to you today. If you want to know more information, you can follow our company. Yantai Ruifeng Metal Products Co., Ltd. is mainly engaged in the research and development, production and sales of stainless steel valves, stainless steel flanged ball valves, stainless steel PPR valves, stainless steel pipe fittings and precision castings.
  The products mainly include stainless steel, carbon steel one-piece, two-piece, three-piece ball valves, globe valves, check valves, filters, stainless steel pipe fittings, quick couplings, etc. for various manual, electric and pneumatic devices. Connection methods include internal thread connection, external thread connection, welding, flange connection, etc. Comply with advanced standards such as GB, ANSI, JIS, DIN, BS, etc. 
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