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Stainless steel is without magnetism, is it good stainless steel without magnetism? If the microstrip is magnetic, isn't it SS 304 2B BA 0.3mm Thick Stainless Steel Sheet?
Many customers go to the market to buy stainless steel, bring a small magnet, and suck it when looking at the goods. They think that good stainless steel cannot be absorbed. Without magnetism, there will be no rust. In fact, this is a wrong understanding.
The non-magnetic stainless steel strip is determined by the structure of the structure. During the solidification process, the molten steel will form stainless steel with different structures such as "ferrite", "austenite" and "martensite" due to the different solidification temperature. Ferritic” and “Martensitic” stainless steels are all magnetic. "Austenitic" stainless steel has good comprehensive mechanical properties, process performance and weldability, but only in terms of corrosion resistance, magnetic "ferritic" stainless steel is stronger than "austenitic" stainless steel.
At present, the so-called 200 series and 300 series stainless steels with high manganese content and low nickel content in the market are not magnetic, but their performance is very different from that of 304 with high nickel content. Instead, AISI 304 stainless steel sheet has been stretched, annealed, polished, cast, etc. The process treatment will also be micro-magnetic, so it is a misunderstanding and unscientific to judge the quality of stainless steel without magnetism.
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