GB/T 17720-1999 Replaced National standards

GB/T 17720-1999 Metallic coatings—Review of porosity tests

Publish Date: 1999-04-08 Implement Date: 1999-09-01 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

Basic Information

Standard Code: GB/T 17720-1999

Standard Type: National standards

Standard Status: Replaced

is_force_gb: no

CCS Name: Material protection

ICS Name: \nMetal plating

Publish Date: 1999-04-08

Implement Date: 1999-09-01

Pages: 36 pages

Development Information

Word Count: 63 Thousand words Pages: 36 pages

Superseded by the following standards

GB/T 17720-2025 Metallic coatings—Review of porosity tests

Referenced Standards

GB/T 3138-1995 Terminology for metallic coating, chemical treatment and related process GB/T 6461-1986 GB/T 6465-1986 Metallic and other non-organic coatings—Corrodkote corrosion test(CORR test) GB/T 8752-1988 Anodizing of aluminium and aluminium alloys—Check of continuity of thin anodic oxide coatings—Copper sulphate test GB/T 9789-1988 Metallic and other non-organic coatings—Sulfur dioxide test with general condensation of moisture GB/T 9797-1997 Metallic coatings—Electrodeposited coatings of nickel plus chromium and of copper plus nickel plus chromium GB/T 10125-1997 Corrosion tests in artificial atmospheres—Salt spray tests GB/T 11379-1989 Metallic coatings—Electroplated coatings of chromium for engineering purposes GB/T 12305.2-1990 GB/T 12305.3-1990 GB/T 12332-1990 Metallic coatings Electroplated coatings of nickel for engineering purposes GB/T 12600-1990 Metallic coatings—Electroplated coatings of copper plus nickel plus chromium on plastics materials GB/T 17721-1999 Metallic coatings—Porosity tests—Ferroxyl test ISO 3160.2-1992 ISO 4527-1987 ISO 4538-1978

Adopt standards

ISO 10308:1995

Related Standards

GB/T 6462-1986 Replaced

GB/T 6462-1986 Metallic and oxide coatings—Measurement of coating thickness—Microscopical method

Publish Date: 1986-06-11

GB/T 6463-1986 Replaced

GB/T 6463-1986 Metallic and other non-organic coatings—Review of methods of measurement of thickness

Publish Date: 1986-06-11

GB/T 6465-1986 Replaced

GB/T 6465-1986 Metallic and other non-organic coatings—Corrodkote corrosion test(CORR test)

Publish Date: 1986-06-11

GB/T 6466-1986 Replaced

GB/T 6466-1986 Electrodeposited chromium coatings—Electrolytic corrosion testing (EC test)

Publish Date: 1986-06-11

GB/T 6808-1986 Abolished

GB/T 6808-1986 Anodizing of aluminium and its alloys—Accelerated test of light fastness of coloured anodic oxide coatings using artificial light

Publish Date: 1986-08-28

GB/T 8013-1987 Replaced

GB/T 8013-1987 Anodizing of aluminium and aluminium alloys—General specifications for anodic oxidation coatings

Publish Date: 1987-06-26