GB/T 13305-2008: Micrographic method for determining area content of the α-phases in stainless steel

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Scope

This Standard specifies the specimen selection and preparation, determination
methods and test report of the determination of area content of α-phases in
stainless steels by micrographic method.
This Standard applies to the determination of area content of α-phases in
austenitic stainless steels and ferritic-austenitic stainless steels by
micrographic method.

Basic Data

Standard ID	GB/T 13305-2008 (GB/T13305-2008)
Description (Translated English)	Micrographic method for determining area content of the ��-phases in stainless steel
Sector / Industry	National Standard (Recommended)
Classification of Chinese Standard	H24
Classification of International Standard	77.040.99
Word Count Estimation	18,190
Date of Issue	2008-08-19
Date of Implementation	2009-04-01
Older Standard (superseded by this standard)	GB/T 13305-1991; GB/T 6401-1986
Quoted Standard	GB/T 18876.1
Regulation (derived from)	National Standard Approval Announcement 2008 No.14 (Total No.127)
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 selection and preparation of stainless steel in ��-phase content of the sample area of ??metallurgical assay, measurement methods and test reports. This standard applies to metallographic determination of austenitic stainless austenitic and ferritic duplex stainless steel in the content of ��-phase area.