How to distinguish stainless steel material

The easiest way to distinguish stainless steel is to read the product quality manual or the number label on the package. Common tags are as follows:

Color: paint the corresponding color of the specified part;

Printing: mark specifications and models by steel printing and jet printing;

Listing: identify specifications, models and quantities of hanging cards.

In the absence of specifications and models, the identification of stainless steel can refer to the following methods

Color: Chrome-nickel stainless steel is silver white jade color, chrome-manganese nitrogen stainless steel is similar to chrome-nickel, slightly lighter color, chrome steel is black, chrome-nickel steel is brown white. After pickling stainless steel color silvery white smooth.

Chemical identification: use copper sulfate liquid agent identification, remove the oxide layer on the surface of steel, drop into water, wipe with copper sulfate, no color for stainless steel, purplish red for high manganese steel.

Wear identification: grind stainless steel with grinder, observe the spark, the spark is streamlined, the knot flower is much and dense, high manganese steel with high manganese, no knot flower is chromium steel or chromium nickel stainless steel.

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