304 stainless steel belongs to the austenitic stainless steel, austenite in the cold processing process there are some or a small amount of transformation into martensite, martensite is magnetic, so 304 stainless steel for non-magnetic or slightly magnetic.

â‘  support 304 stainless steel special detection potion detection, if not discolored for authentic 304 stainless steel. â‘¡Support chemical composition analysis spectral analysis. â‘¢Support smoke test, simulate the actual use of the environment.

â‘ . 201 stainless steel, suitable for use in a dry environment, water is easy to water rust. â‘¡304 stainless steel, outdoor or wet environment, corrosion and acid resistance. â‘¢316 stainless steel, plus molybdenum, more corrosion resistance and pore corrosion resistance, especially for seawater and chemical media.