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www.ChineseStandard.net Database: 189760 (18 Oct 2025)

SJ 1281-1977 English PDF

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SJ 1281-1977EnglishRFQ ASK 5 days [Need to translate] Test methods for thickness of metallic coatings and chemically treated layers Obsolete SJ 1281-1977

PDF similar to SJ 1281-1977


Standard similar to SJ 1281-1977

GB/T 4955   GB/T 4956   YY 0076   SJ/T 11862   SJ/T 11863   SJ/T 11860   

Basic data

Standard ID SJ 1281-1977 (SJ1281-1977)
Description (Translated English) Test methods for thickness of metallic coatings and chemically treated layers
Sector / Industry Electronics Industry Standard
Classification of Chinese Standard A29
Classification of International Standard 25.22
Word Count Estimation 29,281
Date of Issue 3/1/1978
Date of Implementation 3/1/1978
Older Standard (superseded by this standard) SJ 43-1964
Regulation (derived from) Industry-Science (2010) No.77
Summary This standard specifies two types of nine kinds of testing methods, the largest category of non-destructive testing methods, including magnetic method, the eddy current method and the method of weight gain, and the second category is a destructive test methods, including electricity (Coulomb) law Timing flow method, measuring the flow, chemical stripping method, optical (microscope) method and the drip method.