The stainless steel grade plays a role in influencing factors, but generally speaking, stainless steel alloys have magnetism, and they must meet the following requirements:
The alloy must contain iron (Fe).
The crystal structure of stainless steel alloy must be arranged in martensite or ferrite structure.
Firstly, as stainless steel is a type of steel, its chemical composition must contain iron. This makes stainless steel magnetic.
The second requirement is that the crystal structure of stainless steel must be arranged into ferrite or martensite structure. If stainless steel is mainly composed of austenitic structure, it will not have magnetism.
As we have already mentioned, corrosion resistance is not related to magnetism. In stainless steel, corrosion resistance depends on the concentration of chromium (sometimes molybdenum). The more each, the better the corrosion resistance.
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