ISO 5490:2025-ISW121042

Steel — Rating and classifying nonmetallic inclusions using the scanning electron microscope Published (Edition 1, 2025)

Abstract

This document specifies procedures for the rating and statistical analysis of non-metallic inclusions (referred to as inclusions hereafter) using a scanning electron microscope (SEM) with an energy dispersive X-ray spectrometer (EDS), a backscattered detector (BSD) and automatic image analysis capabilities.