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How to identify 304 and 201 stainless steel

Latest company news about How to identify 304 and 201 stainless steel


To identify 304 and 201 stainless steel, you can use the following methods: 1. Magnetic Properties: 304 stainless steel is typically non-magnetic, while 201 stainless steel is usually slightly magnetic. You can use a magnet to check the magnetic response of the material. If the magnet sticks strongly, it is likely to be 201 stainless steel. 2. Appearance: 304 stainless steel has a brighter and more reflective surface compared to 201 stainless steel, which may appear duller or less shiny. 304 stainless steel also has a smoother and more polished finish. 3. Chemical Composition: The chemical composition of the stainless steel can be analyzed to differentiate between 304 and 201 grades. However, this method requires specialized equipment and is typically performed in a laboratory or by professionals. 4. Manufacturer's Markings: The manufacturer may label or mark the stainless steel material with the grade or identification code, which can help identify the specific type of stainless steel. It is recommended to consult with a metallurgical expert or use specialized testing equipment for accurate identification of stainless steel grades.