The element with stainless steel rustily fit forms what

Stainless steel not simple rusts the composition with stainless steel has very big contact as outside as it also that material has very big contact. In the composition of stainless steel besides iron, still chromic, nickel, aluminous, silicon waits. Normally stainless steel contains chromic amount normally not under 12% , arrive high even 18% . After the element such as chromium attending in steel, can alter the function of steel, if the molecular structure of exemple steel is evener, a close oxide is generated more easily to safeguard film to wait in the appearance of steel, raise stainless steel greatly next anticorrosive ability. Stainless steel is mutinous fire, water, can acerbity, so alkaline corrode to it with all sorts of solution, not rusty. Scientist discovery, the internal composition of steel is evener, all sorts of forming composition must be jumped over with respect to contact close together, corrosive aggression is harder, adhere to again plus appearance an oxide safeguards film, resemble putting on armature to iron and steel identical, natural rusted with respect to not simple, but stainless steel also can rust.
Does stainless steel also rust for what? When stainless steel tubal appearance presents Brown rusty spot (dot) time, everybody feels open-eyed greatly: Think “ stainless steel is rustless, rusting is not stainless steel, the likelihood is steel presented doubt ” character. Original, this is a kind of when lack understanding to stainless steel one-sided fault point of view. Stainless steel also can rust below sure condition.
Stainless steel has the ability that defends atmosphere oxidation---Do not become rusty namely quality, also have the ability that corrodes therefore in the medium that contains acerbity, alkaline, salt together---Be able to bear or endure namely corrode sex. But its fight the large and small that corrodes ability is therewith steel pledges oneself chemistry is formed, the state that add each other, apply what the condition reachs environmental medium kind and alter. Be like 304 steel tube, be in as dry as a chip in the air that clean, affirmation fights rustily ability outstandingly, but move it seaside area, in the sea fog that contains a lot ofa lot of salt portions, can rust very quickly; and 316 steel tube are reflected good. Consequently, not be a kind of any stainless steel, fall in any environments can anti-corrosive, rustless.

Stainless steel is to rely on its appearance to form a paper-thin and consolidate close stable Fu Ge oxidizes film (defend velar) , avoid oxygen atomic to be entered continuously, oxidize continuously, and obtain fight rustily ability. Once have some kind of factor, this kind of film sufferred be destroyed ceaselessly, atom of the oxygen in air or liquid can be entered ceaselessly or the iron in the metal is atomic ceaselessly analyse leaves come out, form loose ferric oxide, metallic appearance also suffers ceaselessly rustily. The kind that this kind of outside film destroys a lot of, see more in the day at ordinary times have a few kinds as follows:
Appearance of 1. stainless steel retains the attachment that accumulating the dust that contains a lot ofother tantalum or alien metal grain, in humid air, the condenser water between attachment and stainless steel, become both a small cell repeatedly, caused electrochemistry echo, safeguard film to be destroyed, those who say call electrochemistry is corroded.
Conglutinate of appearance of 2. stainless steel has machine content juice (the dish that be like melon, water in which noodles have been boiled, phlegmy wait for) , below circumstance of oxygen having water, make organic acid, long-term an organic acid is outside to the metal corrode.
Conglutinate of appearance of 3. stainless steel contains a lot ofacerbity, alkaline, salt kind material (if decorate) of splash of the buck of wall, limewater, bring about isolated corrosion.
4. is in the air that has pollution (if contain a lot ofthe atmosphere) of nitrogen of carbon of a lot of sulfide, oxidation, oxidation, treat condenser water, make point of fluid of vitriolic, nitric acid, acetic acid, bring about chemistry to corrode.
It is stainless steel no matter so, once its are outside safeguarded a layer to give question, with air feeling can be oxidized, and this advances ability in swimming normally the birth of antirust priming paint, need just has a creation, grand its ability in swimming is antirust priming paint is with water as dispersive medium, the multiple and antirust mechanism such as use physics, chemistry, basis chemistry is changed, the chemical principle such as subsidiary channels in the human body through which vital energy and echo is made up and become the best replacement product that · is traditional and antirust priming paint. Wide application is made at all sorts of cars, ship, net wearing, machinery, equipment of container, railroad, bridge, boiler, steel structure, petrifaction anticorrosive safeguard, it is solvent paint is no good relative.
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