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SJH 1281-1977 English PDF

SJH 1281-1977_English: PDF (SJ1281-1977)
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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
Standards related to: SJH 1281-1977

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 29,219
Date of Issue 1978/3/1
Date of Implementation 1978/3/1
Older Standard (superseded by this standard) SJ 43-1964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.

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