A metal reacts with oxygen in the atmosphere to form an oxide film on its surface. Iron oxide formed on ordinary carbon steel continues to be oxidized, causing corrosion to expand and eventually to form holes.

Carbon steel can be secured by electroplating with paint or oxidation resistant metals such as zinc, nickel and chromium, but, as is known, this protection is only a thin film. If the protective coating is broken, the steel below begins to rust. The corrosion resistance of stainless steel hoses depends on the content of chromium. When the amount of chromium is added to 10.5%, the resistance to atmospheric corrosion of steel increases significantly, but at higher chromium content, although corrosion resistance is still improved, it is not significant.

The reason is that alloying steel with chromium changes the type of surface oxide to resemble that formed on pure chromium metal. This closely adhered chromium-rich oxide protects the surface from further oxidation. This oxide layer is extremely thin, through which the natural luster of the stainless steel surface can be seen, giving stainless steel its unique surface.

Moreover, if the surface is damaged, the exposed steel surface reacts with the atmosphere and repairs itself, reforming this "passivation film" that continues to protect. JR2 rectangular metal hose, this product uses all metal structure. Suitable for all kinds of metal chip and cutting machine tools. Prevent the damage of high hot iron filings to your power supply, water and steam lines, and protect labor safety.