Will stainless steel capillaries rust?

SUS304 is called in Japan, but in China it is directly called the element title, called OCr18Ni9. 304 stainless steel capillary alloy elements constitute a fine oxide film, so that the stainless steel block the touch of oxygen, prevent its oxidation, will not rust. This is the reason why stainless steel capillary rust. But this is not to say that stainless steel capillary is permanent rust. And 304 stainless steel capillary rust phenomenon there are many reasons, in the daily use of pure chloride in the environment, is to make 304 stainless steel tube rust. There is a wide range of chloride ions, such as sweat, sea water, sea breeze, salt, soil and so on there are chloride ions, 304 stainless steel pipe in the presence of chloride ions in the environment will soon rust. So there is a demand for the use of 304 stainless steel pipe environment. Also often scrub, go out dust, adhere to the stainless steel capillary cleaning dry. 304 stainless steel tube not into the matrix, will lead to the matrix arranged alloy content is reduced, poor corrosion resistance. The intergranular corrosion can be reduced by assuming titanium and niobium for stainless steel capillaries and then disposing them safely.

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