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SJ 1284-1977Methods for evaluation of corrosion test results for metallic coatings and chemically treated layers (English PDF)

金属镀层腐蚀试验结果评定方法

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Issued by

Ministry of Industry and Information Technology

Level / Type

National · Mandatory

Issue date

March 1, 1978

Implementation date

March 1, 1978

Scope

SJ 1284-1977 is the English-translated version of 金属镀层腐蚀试验结果评定方法.

SJ 1284-1977 is the Chinese standard "Methods for evaluation of corrosion test results for metallic coatings and chemically treated layers".

This standard applies to metal plating and chemical processing layer in the atmosphere after exposure test, salt spray test, a variety of corrosion test results after etching cream or industrial gas test (such as sulfur dioxide gas, etc.) generated by the corrosion resistance levels make assessment. Issued on 3/1/1978, in force from 3/1/1978.

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Document preview — SJ 1284-1977

National Standard of the People's Republic of China

Classification: A29

Document data

1 Document data

Sector: Electronics Industry Standard.

Date of issue: 3/1/1978.

Date of implementation: 3/1/1978.

Chinese Standard Classification: A29.

Length: about 3,340 characters in the Chinese original.

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This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 8 pages — is available in the English PDF.

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