With the increasing application of stainless steel technology, the application of stainless steel in decoration has become more and more extensive. Stainless steel decorations are not only durable but also aesthetically pleasing, thus attracting more people to use stainless steel as decorative materials.
However, when buying stainless steel decorative materials, you have to open your eyes because the material you buy may be “Li Gui” instead of the real “Li Zhi” – stainless steel. For the sake of profit, some “stainless steel” products are only coated with iron on the iron. Even if they are not bumped, they will rust, and many companies will use inexpensive materials as high-priced materials.
There are many varieties of stainless steel, 201, 304, 316L … … their prices are much different, the biggest difference is corrosion resistance, 304 is the best corrosion resistance, 201 the worst corrosion resistance, of course, the price difference is also great.
Stainless steel with poor quality will have a discoloration on the surface when it is used for a long time, increase the fouling rate, be easy to be corroded, and breed bacteria easily.
To distinguish the quality of stainless steel is also very easy, buy a bottle of “stainless steel measuring fluid” can be. It is also called “stainless steel test potion,” “manganese detection box,” “manganese test solution,” and so on.
The test method is: to keep the stainless steel surface clean without oil; remove a drop of test solution after the coating is removed, observe the color change; determine the stainless steel model by comparing the color of the stainless steel or the red time.
Decoration Weapon: Five kinds of stainless steel
After dropping the test solution, different stainless steels will have different reactions:
200 stainless steel (fake 201): It turns red in about 5 seconds, and after 10 seconds, the red color is the same as in the color card.
201 Stainless Steel (Authentic 201) Turns red in about 50 seconds, and the red color is the same as on the color chart.
202 stainless steel: It turns red in about 1 minute.
301 stainless steel: It turns red in about 3 minutes. The color is very light. Look carefully.
304 stainless steel: No change in 3 minutes, the color may darken, but there is no red.