304 stainless steel strip 6 major identification methods

1. There is an identification liquid for stainless steel strips on the market, and you can know which type of stainless steel it is by detecting the nickel content in the stainless steel strip.
2. Magnetic identification of 304 stainless steel strip, generally the larger magnetic is 2 series stainless steel strip, non-magnetic or weaker magnetic is 3 series stainless steel strip (but these two methods can not clearly determine whether it is 304 stainless steel).
3. The method of measuring hardness to determine the steel, the 3 series are austenitic stainless steels. The hardness is also different from martensitic stainless steel and duplex stainless steel.
4. The color and smoothness of the steel surface distinguish the authenticity of the steel.
5. The price is particularly low, and there is a high possibility that it is fake.

6. Spectral analysis or chemical analysis to distinguish the true from the false.