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不銹鋼簡介

網址:www.singeranamika.com  2020-12-16  作者:admin    閱讀:

不銹鋼簡介
Introduction to stainless steel
通俗地說,不銹鋼就是不容易生銹的鋼,實際上一部分不銹鋼,既有不銹性,又有耐酸性(耐蝕性)。
Generally speaking, stainless steel is not easy to rust steel, in fact, some stainless steel, both stainless steel and acid resistance (corrosion resistance).
不銹鋼的不銹性和耐蝕性是由于其表面上富鉻氧化膜(鈍化膜)的形成,這層膜使金屬與外界的介質隔離,阻止金屬被進一步腐蝕,并且還有自我修復的能力,如果一旦遭到破壞,鋼中的鉻會與介質中的氧重新生成鈍化膜,繼續起保護作用。
The rust resistance and corrosion resistance of stainless steel are due to the formation of chromium rich oxide film (passivation film) on the surface of stainless steel. This film can isolate the metal from the external medium, prevent the metal from further corrosion, and have the ability of self-healing. Once damaged, the chromium in the steel and the oxygen in the medium will regenerate the passive film and continue to play a protective role.
這種不銹性和耐蝕性是相對的。試驗表明,鋼在大氣、水等弱介質中和硝酸等氧化性介質中,其耐蝕性隨鋼中鉻含水量的增加而提高,當鉻含量達到一定的百分比時,鋼的耐蝕性發生突變,即從易生銹到不易生銹,從不耐蝕到耐腐蝕。不銹鋼的不銹性,還與使用環境有關,不同的環境,要使用含鉻量不同的不銹鋼。
This rust resistance and corrosion resistance are relative. The results show that the corrosion resistance of steel increases with the increase of chromium water content in the weak medium such as atmosphere, water and nitric acid. When the chromium content reaches a certain percentage, the corrosion resistance of steel changes suddenly, that is, from easy to rust to not easy to rust, from non corrosion to corrosion resistance. Stainless steel stainless steel, but also related to the use of the environment, different environments, to use different chromium content of stainless steel.

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