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Why is stainless steel rusty?

  • Author:E-BON
  • Source:E-BON
  • Release on :2017-07-25
Stainless steel refers to air, steam, water and other weak corrosive medium and acid, alkali, salt and other chemical corrosive medium corrosion of steel, also known as stainless acid resistant steel. In practical application, the steel which is often corroded by weak corrosive medium is called stainless steel, and the steel which is resistant to chemical medium is called acid resisting steel. 

Because of the difference in chemical composition between the two, the former is not necessarily resistant to chemical medium corrosion, while the latter is generally stainless. The corrosion resistance of stainless steel depends on the alloying elements contained in the steel. E-BON the stainless steel specialist, Bottle stopper Champagne wholesales china.

The basic alloying elements of stainless steel, as well as nickel, molybdenum, titanium, niobium, copper, nitrogen and so on, to meet the various requirements for the use of stainless steel structure and performance. Stainless steel is easy to chloride corrosion, because chromium nickel chloride is collocated elements, elements will be collocated to form stainless steel corrosion exchange assimilation.

When the stainless steel tube surface appear brown rust (point) when people are surprised: "the stainless steel does not rust, rust is stainless steel, steel may be a problem". In fact, this is a lack of understanding of stainless steel one-sided misconceptions. Stainless steel will rust under certain conditions.

Stainless steel has the ability to resist atmospheric oxidation - that is, stainless steel, and also has the ability to resist corrosion in the medium containing acids, alkalis and salts, that is, corrosion resistance. E-BON the most excellent stainless steel company, which provide you with Stainless Steel Jigger Bar Measuring Cup.

But its corrosion resistance is changed with the chemical composition, the mutual state, the condition of use and the type of environmental medium. Such as the 304 steel pipe, in the dry clean atmosphere, have absolutely excellent anti-corrosion ability, but it will be moved to the beach area, with large amounts of sea salt fog, will rust quickly; and the good performance of 316 steel pipe. 

Therefore, it is not any kind of stainless steel, capable of corrosion and rust in any environment.

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