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Let the Magnet 】 To help you to distinguish true and false!

by:Newland     2020-04-30
A lot of people think that the magnet adsorption stainless steel material, to verify the stand or fall of true and false, it is not without magnetic absorption, think is good, otherwise, is believed to be fake fake goods, in fact, this is not a good way to identify, small make up today to chat with you about permanent magnets to identify why stainless steel material quality is bad. Magnet is what we depend on whether the traditional magnetic to discriminant method of stainless steel, is likely to suffer. Because there are many different kinds of stainless steel and normal temperature can be divided into austenite size according to the organization structure and martensite or iron grain size, austenite size is non-magnetic or weak magnetic, martensite or iron grain size are magnetic, but is not necessarily so, as is often used as a decoration of the tube plate austenite size of 304 stainless steel material is qualitative, generally is magnetic, but caused by smelting chemical composition may also appear different magnetic fluctuations or processing status, it is not considered a counterfeit or substandard, another 304 stainless steel after cold working, the organizational structure will also to the transformation of martensite, the greater the degree of cold deformation, martensitic transformation, the more the greater the magnetic steel, and the quality of the opposite point of 200 series stainless steel, it is likely not magnetic, if the judge it is real stainless steel, would be a mistake. So use magnets to identify the true and false of stainless steel or good or bad, that was to identify no, hope you careful to distinguish.
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