GB/T 6462-1986
Replaced
GB/T 9790-1988
Replaced
National standards
GB/T 9790-1988 Metallic and related coatings—Vickers and Knoop microhardness tests
GB/T 9790-1988 Metallic and related coatings—Vickers and Knoop microhardness tests
Basic Information
Standard Code:
GB/T 9790-1988
Standard Type:
National standards
Standard Status:
Replaced
is_force_gb:
no
CCS Name:
Material protection
ICS Name:
\nMetal plating
Publish Date:
1988-09-05
Implement Date:
1989-09-01
Publisher:
The National Technical Supervision Bureau
Technical Committee:
National Standardization Technical Committee for Metallic and Non-metallic Coatings
Pages:
16 pages
Development Information
Drafting Units:
Wuhan Material Protection Research Institute
Drafting Persons:
Teng Qingquan and Su Xiuwen
Superseded by the following standards
Referenced Standards
GB 4342
GB/T 6462-1986 Metallic and oxide coatings—Measurement of coating thickness—Microscopical method
GB/T 6462-2005 Metallic and oxide coatings—Measurement of coating thickness—Microscopical method
GB/T 8170-1987 Rules for rounding off of numberical values
GB/T 8170-2008 Rules of rounding off for numerical values & expression and judgement of limiting values
GB/T 6462-2025 Metallic and oxide coatings—Measurement of coating thinckness—Microscopical method
Adopt standards
ISO 4516-80
Related Standards
GB/T 6463-1986
Replaced
GB/T 6463-1986 Metallic and other non-organic coatings—Review of methods of measurement of thickness
GB/T 6465-1986
Replaced
GB/T 6465-1986 Metallic and other non-organic coatings—Corrodkote corrosion test(CORR test)
GB/T 6466-1986
Replaced
GB/T 6466-1986 Electrodeposited chromium coatings—Electrolytic corrosion testing (EC test)
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
GB/T 8013-1987
Replaced