The present invention improves the residue remediation process during the screening of inclusions among electrolytic residues of stainless steel 304 to shorten inclusion screening time, prevent circular inclusions from electrolytic residues, minimize the loss of inclusions, improve the reproducibility of analytical values I want to do that.;The present invention relates to a method for selecting non-metallic inclusions in stainless steel 304, which comprises a water treatment step of removing siliceous gel by water treatment using an electrolytic cell of 10 m, a charity treatment step of removing delta ferrite, A step of acid treatment, a step of diluting the inclusions in the acid treatment solution with purified water, followed by drying, and a step of weighing the dried inclusions to size. The present invention relates to a method for selecting nonmetallic inclusions in electrolytic residues of stainless steel 304 That is the point.;The present invention has the effect of simple and precise selection of nonmetallic inclusions of stainless steel 304 by simplifying the sorting process and preventing circular damage of the inclusions as compared with the conventional method.
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