Why stainless steel rust? When the stainless steel tube surface appear brown rusty spot (point), big surprised: people think "stainless steel is not rusty, rust is not stainless steel, the problems may be steel". Actually, this is the lack of the understanding of stainless steel of a unilateral mistake. Stainless steel under certain conditions will be rusty.

Stainless steel has the ability of resistance to atmospheric oxidation - namely, stainless, also has in the medium containing acid, alkali, salt corrosion of the ability - or corrosion resistance. But the size of its ability to resist corrosion is along with the chemical composition of the steel itself, and each state, using conditions and environmental medium type and change. As 304 steel tube, in dry, clean the atmosphere, there is absolutely excellent resistance to ?
 

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