How to Distinguish 201 and 304 Stainless Steel Plate

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  • Publish Time:2023-05-22
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1. 304 stainless steel plate is shiny and has a good gloss with smooth touching, while 201 stainless steel plate is dark and has no gloss with rough uneven touching. In addition, touching both of them with wet hands, the water-stained on the 304 stainless plate are easier to erase than 201 stainless plate.

2. Using a grinder to install the grinding wheel to grind and polish the two plates gently. When grinding, the sparks of the 201 stainless plate are longer, thicker,  in the contrary, the sparks of the 304 stainless plate are shorter, thinner, and less.

3. Apply stainless steel pickling paste to two stainless steel plates respectively. If the color is dark, it is 201 stainless plate, and if it is white or does not change color, it is 304 stainless steel plate.

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