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SJ 1280-1977Test methods for porosity of metallic coatings (English PDF)

金属镀层孔隙率的检验方法

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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 1280-1977 is the English-translated version of 金属镀层孔隙率的检验方法.

SJ 1280-1977 is the Chinese standard "Test methods for porosity of metallic coatings". This standard applies to testing of steel, copper and copper alloys, cathodic coatings on aluminum and aluminum porosity. Issued on 3/1/1978, in force from 3/1/1978.

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Document preview — SJ 1280-1977

National Standard of the People's Republic of China

Classification: L10

Document data

1 Document data

Sector: Electronics Industry Standard.

Date of issue: 3/1/1978.

Date of implementation: 3/1/1978.

Chinese Standard Classification: L10.

Length: about 5,523 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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