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ISO 5490:2025

ISO 5490:2025

Steel — Rating and classifying nonmetallic inclusions using the scanning electron microscope

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General Information

Status : Active

Standard Type : Main

Document No : ISO 5490:2025

Document Year : 2025

Pages : 19

Edition : 1

Section Volume : Methods of testing (other than mechanical tests and chemical analysis) (ISO/TC 17/SC 7.)

ICS : Steels (77.080.20)

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.