GB/T 2972-2016: Test method for uniformity of zinc coating on zinc-coated steel wire by the copper sulphate dip

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Scope

This Standard specifies the testing principle, sample preparation, reagent
preparation, testing procedure and judgment principle for test method for
uniformity of zinc coating on zinc-coated steel wire by the copper sulfate dip.
This Standard is applicable to the uniformity test of zinc coating of hot-dip zinc-
coated steel wire. For zinc-aluminum alloy coated steel wire and zinc-
electroplated steel wire, it can also refer to this Standard.

Basic Data

Standard ID	GB/T 2972-2016 (GB/T2972-2016)
Description (Translated English)	Test method for uniformity of zinc coating on zinc-coated steel wire by the copper sulphate dip
Sector / Industry	National Standard (Recommended)
Classification of Chinese Standard	H25
Classification of International Standard	25.220.40
Word Count Estimation	6,669
Date of Issue	6/14/2016
Date of Implementation	2017-05-01
Older Standard (superseded by this standard)	GB/T 2972-1991
Quoted Standard	GB/T 603; GB/T 665; GB/T 674
Adopted Standard	ISO 7989-2-2007, NEQ
Regulation (derived from)	National Standard Announcement No. 8 of 2016
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 galvanized steel wire zinc sulfate copper sulfate test method test principle, sample preparation, reagent preparation, test procedures and determine the principles. This standard applies to galvanized steel wire zinc layer uniformity test, zinc-aluminum alloy coated steel and galvanized steel wire can also refer to this standard.