When purchasing 201 or 304 stainless steel, many customers are more concerned about a question. What is the difference between 201 and 304 stainless steel? How can we avoid charging in the secondary and prevent the use of 201 to use 304 stainless steel? How to buy appropriate stainless steel materials, the following is the Sales Department of Laiyuan Stainless Steel, let's answer them one by one!
How to identify the stainless steel of 304 and 201?
1. Look at gloss
Look at 304 stainless steel plates and 201 stainless steel plates from a distance away, the surface is the same shiny, and the sub -light color. Use professionals to find out that the surface of 304 and 201 is slightly different.
2. Feel
If you observe directly with the naked eyes, the color of 304 is saturated and brighter, and the feel is very smooth. In 201, it will be slightly dark, the color saturation is low, and the hand will feel a little rough.
3. Dip water experiment
For the water experiment, the water stains on the surface of 304 are very easy to remove, and the 201 treatment is more laborious.
4. Polishing machine
Differentiated by the polishing machine: When polishing the 304 stainless steel plate, the spark is short and less; while the 201 is the opposite, the spark is splashed and more. When you use this method to distinguish, keep the polishing and avoid accidents.
5. Pickled cream, look at the color.
Use stainless steel pickled cream to apply on 2 kinds of stainless steel plates. After 2 minutes, see the changes in the color of stainless steel at the coat. The color is black into 201, and the color is white or unchanged to 304.