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Database: 189759 (19 Oct 2025)
SJ 42-1977 English PDF
SJ 42: Evolution and historical versions
Standard ID
Contents [version]
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Standard Title (Description)
Status
PDF
SJ 42-1977
English
RFQ
ASK
8 days [Need to translate]
Classification properties, field of applications and marking of metallic coaings and chemically treated layers
Obsolete
SJ 42-1977
SJ 42-1964
English
RFQ
ASK
3 days [Need to translate]
(Chinese Industry Standard)
Obsolete
SJ 42-1964
PDF similar to SJ 42-1977
Standard similar to SJ 42-1977
GB/T 4955
GB/T 4956
YY 0076
SJ/T 11862
SJ/T 11863
SJ/T 11860
Basic data
Standard ID
SJ 42-1977 (SJ42-1977)
Description (Translated English)
Classification properties, field of applications and marking of metallic coaings and chemically treated layers
Sector / Industry
Electronics Industry Standard
Classification of Chinese Standard
A29
Classification of International Standard
25.22
Word Count Estimation
54,514
Date of Issue
1/1/1978
Date of Implementation
1/1/1978
Older Standard (superseded by this standard)
SJ 42-1964
Regulation (derived from)
Industry-Science (2010) No.77
Summary
This standard applies to non-wire products parts electroplating, electroless plating, hot dip coating and chemical treatment of classification, characteristics, application and representation on drawings.