IntroductiontoJISG0556-2014(Atlas)-EnglishVersion:Thisstandard,titled"MacroscopicEtchingTestMethodforSteel,"providesdetailedguidelinesandproceduresforconductingmacroscopicetchingtestsonsteelmaterials.Thepurposeofthesetestsistoevaluatetheinternalstructure,segregation,andothermacrostructuralcharacteristicsofsteelthroughcontrolledetchingtechniques.Thestandardincludesanatlasofreferenceimagestoassistintheinterpretationoftestresults,ensuringconsistencyandaccuracyinassessments.Itisapplicabletovarioustypesofsteelproducts,suchasbars,plates,andforgings,andservesasavaluabletoolforqualitycontrol,materialinspection,andresearchpurposes.ByfollowingthemethodsoutlinedinJISG0556-2014,userscanreliablydetectdefects,assessmaterialhomogeneity,andverifycompliancewithindustryspecifications.ThisEnglishversionfacilitatesinternationaladoptionandunderstandingofthestandard.