How to choose cheapest 304 stainless steel washing machine faucet correctly?
1. Look at the color
Because 201 stainless steel contains manganese, the surface color is slightly darker than that of 304 stainless steel without manganese. However, this method has obvious defects. When purchasing a cheapest 304 stainless steel washing machine faucet, if there is no reference object as a comparison, it is difficult to distinguish the true and false from the naked eye.
2. Scratch the shell
201 stainless steel has a higher carbon content, so it is more brittle than 304 stainless steel, but its toughness is not as good as 304. During the test, you can scratch the surface of the cheapest 304 stainless steel washing machine faucet with a knife or a sharper hard object. If it is 201, it will generally leave obvious marks on the surface, while the scratches on 304 will not be too obvious.

3. Test with special potion
A special stainless steel detection potion can be purchased online. Just a few drops can be used to distinguish what stainless steel is in a few seconds. This potion is particularly convenient. The principle is to make the elements contained in the material and the substances in the identification potion. A chemical reaction occurs to form colored substances. This method can be implemented on the cheapest 304 stainless steel washing machine faucet after purchase. If the faucet is found to be not 304 material, it can be returned immediately. At the same time, this potion is also an essential item for stainless steel product buyers and stainless steel practitioners.
4. Check with a spectrometer
This method is the most professional and accurate, and is not recommended for general consumers, but may be considered by dealers who need to purchase in large quantities. In addition, if the purchased cheapest 304 stainless steel washing machine faucet is very expensive, or if the element content is very high, you can also find a special testing company for inspection, and they usually have a spectrometer.