How to distinguish 304 and 201 stainless steel?
We have two methods to distinguish 304 grade stainless steel from 201 grade stainless steel. The first one is that passes the professional test. The potion sticks to the material.If the potion does not change color, the material is 304. The second method is to use grinding wheel to grind the material. If the material is 201, there will be obvious spark.On the contrary, 304 material, there will be no obvious spark. The above two methods are very simple, we produce with conscience, and give customers the corresponding value of the same quality goods.