ASTME381-20钢棒钢坯初轧坯及锻件的宏观浸蚀的标准方法(中英文合订版)简介ASTME381-20StandardMethodforMacroetchTestingofSteelBars,Billets,Blooms,andForgings(Chinese-EnglishBilingualVersion)本标准方法规定了钢棒、钢坯、初轧坯及锻件的宏观浸蚀测试程序，用于评估这些材料的内部质量、结构均匀性及可能存在的缺陷。通过适当的浸蚀技术，可以清晰显示材料的宏观组织特征，如偏析、气孔、裂纹、夹杂物等。ASTME381-20providesstandardizedproceduresformacroetchtestingofsteelbars,billets,blooms,andforgingstoevaluateinternalquality,structuraluniformity,andpotentialdefects.Themethodutilizesspecificetchingtechniquestorevealmacrostructurecharacteristicssuchassegregation,porosity,cracks,andinclusions.中英文合订版便于国内外技术人员对照使用，适用于冶金、机械制造及质量检测等领域。Thebilingualversionfacilitatescross-referencefortechnicalpersonnelandisapplicableinmetallurgy,manufacturing,andqualityinspectionindustries.
