METHOD FOR ANALYZING NON-METALLIC INCLUSION IN STIANLESS STEEL SHEET

摘要

PURPOSE: A method for analyzing non-metallic inclusions in stainless steel sheet is provided to obtain accurate product information for a stainless casting material. CONSTITUTION: A method for analyzing non-metallic inclusions in stainless steel sheet comprises: a step of preparing a plurality of test pieces from the stainless steel sheet; a step of calculating the number of the non-metallic inclusions with a size of 10 um from the test piece using an optical microscope; a step of calculating the number of the non-metallic inclusions with a size of 10 um and average size thereof using the optical microscope; and a step of identifying ingredients of the non-metallic inclusions. [Reference numerals] (AA) Rolling direction; (BB) Measuring side