How to identify the content of nickel in stainless steel
1, stainless steel test solution to identify, also known as stainless steel test liquid medicine, as long as the drop point stainless steel, medicine immediately and stainless steel chemical reaction, the reaction by the different colors, you can clearly determine the type of stainless steel.
2, identified by a metal instrument.
3, spark identification method: mainly used in steel, in the grinding wheel due to the different friction, high temperature, various elements, the number of sparks generated when oxide particles, shape, forked, color, etc., to identify the chemical composition of the material (composition element) and a method for substantially contents. Nickel content of 8.0% ~ 11.0% is also the best. However, although the nickel content of other elements such as carbon, chromium, manganese, sulfur content is also very important and should pay more attention !!
4, stainless steel is generally divided into chromium stainless steel and nickel stainless steel (only in a variety of categories), usually magnetic stainless steel We repair method is useful in a stainless steel sector, are really two kinds of more or less magnetic, However containing chromium stainless steel magnetic stronger than the nickel-containing stainless steel, plainly you can use a magnet to attract chromium stainless steel, nickel-containing stainless attract very weak. If only for nickel-containing stainless steel is certainly magnetic weaker nickel more of this the most simple method is the most common method.
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