Stainless steel surface oxidization treatment method

The invention discloses a stainless steel surface oxidization treatment method. A compact oxide film is formed on the stainless steel surface by controlling the temperatures. The stainless steel surface oxidization treatment method comprises the following steps: mechanical grinding and polishing; de...

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Bibliographische Detailangaben
Hauptverfasser:	LYU GUANGLEI, LIU XIAOHUI, LI GUIJUN, SHAN GUANGBIN
Format:	Patent
Sprache:	eng
Schlagworte:	CHEMICAL SURFACE TREATMENT CHEMISTRY COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATIONOR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY IONIMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL COATING MATERIAL WITH METALLIC MATERIAL COATING METALLIC MATERIAL DIFFUSION TREATMENT OF METALLIC MATERIAL INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION INGENERAL METALLURGY SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THESURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION
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Beschreibung
Zusammenfassung:	The invention discloses a stainless steel surface oxidization treatment method. A compact oxide film is formed on the stainless steel surface by controlling the temperatures. The stainless steel surface oxidization treatment method comprises the following steps: mechanical grinding and polishing; deoiling and degreasing; acid pickling; washing with clear water at a normal temperature; oxidization, namely heating by use of high-temperature air or directly heating in air to increasing the temperature to a target temperature, oxidizing for certain time in the air, and then naturally cooling. The treatment method is simple and convenient, low in cost, and excellent in treatment effect; as a result, the corrosion resistance of the stainless steel can be improved and the compact protective oxide film can be obtained.