GB/T 226-2015: Test Method for Macrostructure and Defect of Steel by Etching

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Scope

This Standard specifies the hot acid etching method, cold acid etching method
(including dendrite corrosion method), and .electrolytic etching method, which test the
macrostructure and defect of steel.
This Standard is applicable to the acid etching test of the macrostructure and defect of
steel. Other material’s acid etching test can be implemented as per this Standard.

Basic Data

Standard ID	GB/T 226-2015 (GB/T226-2015)
Description (Translated English)	Test Method for Macrostructure and Defect of Steel by Etching
Sector / Industry	National Standard (Recommended)
Classification of Chinese Standard	H24
Classification of International Standard	77.040.99
Word Count Estimation	7,779
Date of Issue	2015-09-11
Date of Implementation	2016-06-01
Older Standard (superseded by this standard)	GB/T 226-1991
Quoted Standard	GB 8978-1996
Regulation (derived from)	National Standard Announcement 2015 No.25
Issuing agency(ies)	General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China, Standardization Administration of the People's Republic of China
Summary	This Standard specifies the hot acid etching macrostructure and defect inspection of steel, cold acid etching (including dendritic etching) and electrolytic etching. Etch test This Standard applies to steel macrostructure and defect. Etch test other materials may refer to this standard.