![]() ![]() The limit of the stainless steel corrosion resistance is determined by what goes into making the stainless steel in the first place. Once the limit of resistance is crossed, the formation of rust is bound to occur. The characteristic of corrosion resistance is both qualitative as well as quantitative.Įach type of stainless steel has a certain degree of corrosion resistance. ![]() In other words, stainless steels are more or less corrosion resistant and they work very well in almost every environment. To make sure that the stainless steel application or structure remains unharmed, unscathed, and intact in more disadvantageous conditions, the use of highly alloyed stainless steel is required. Therefore, the use of basic forms of stainless steel is not recommended in more hostile conditions. In other words, the corrosion of stainless steel takes place in specific aggressive conditions which are conducive to corrosion.īasic types of stainless steel like 304 and 316 may corrode easier in certain environments and then a more highly alloyed stainless steel can be used. So why does stainless steel rust at all? Aggressive Conditions Cause Rust on Stainless SteelĪlthough stainless steel does corrode, it is important to note that the alloy will not rust under normal atmospheric or water-based environments. Ordinary carbon or alloy steels are not in the same league as stainless steel when it comes to corrosion resistance. When compared to other metals and alloys, stainless steel is the most resistant to corrosion. ![]() This is exactly the case with stainless steel. It simply means that the alloy stains less. The word “stainless” does not imply free from stain or “stain-impossible”. The reality is that stainless steel does rust. Well, this assumption is anything but true. The general perception of stainless steel is that it is a super alloy that never rusts. Monday, 10 April 2017 Stainless Steel is Highly Resistant to Corrosion but can Still Rust ![]()
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