2013年9月24日星期二

Corrosion-resistant stainless steel hose excellent main function

Metals and oxygen in the reaction atmosphere in the surface oxide film. In plain carbon steel iron oxide formed on inheritance oxidation, rust continues to expand, the ultimate formation of holes. You can use paint or oxidation-resistant metal (eg, zinc, nickel and chromium) plating to ensure the steel surface, but, as people know, this protection is only a film. If the protective layer is damaged, the following steel began to rust. Corrosion resistance of stainless steel hose depends Hydraulic tube fittings content, if the amount of chromium added to 10.5%, the steel is resistant to atmospheric corrosion performance increased significantly, but higher chromium content, while still being progressive erosion resistance, but not significant. The reason is of steel with a chromium alloying treatment, the change in the type of surface oxide became similar to pure chromium metal oxide formed on the surface. This tight adhesion of chromium-rich oxide protective surface to prevent further oxidation. This thin oxide layer, through which you can see the surface of the natural luster of stainless steel, the stainless steel has a unique surface. Moreover, if the surface is damaged, the exposed surface of the steel, and self-repair reaction atmosphere, re-formation of this "passive film" Inheritance protective effect. Therefore, all of the stainless steel tube used have a common characteristic, that chromium content of 10.5% or more.

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