GB 12607-1990
Replaced
GB/T 6462-2025
Active
National standards
GB/T 6462-2025 Metallic and oxide coatings—Measurement of coating thinckness—Microscopical method
GB/T 6462-2025 Metallic and oxide coatings—Measurement of coating thinckness—Microscopical method
Price:
$ 66
Basic Information
Standard Code:
GB/T 6462-2025
Standard Type:
National standards
Standard Status:
Active
is_force_gb:
no
CCS Name:
Material protection
ICS Name:
Surface treatment
Publish Date:
2025-10-31
Implement Date:
2026-05-01
Pages:
20 pages
Scope
This document describes a method of using an optical microscope to detect cross-sections and measure the local thickness of metal coatings, oxide films, and porcelain enamel or glass enamel coatings.
This document is applicable to the measurement of the thickness of metal and oxide coatings.
Development Information
Replace the following standards
Adopt standards
ISO 1463:2021
Related Standards
GB/T 12612-1990
Replaced
GB/T 12612-1990 General specification for multifunctional solution of steel and iron surface treatment
GB/T 3138-1995
Replaced
GB/T 3138-1995 Terminology for metallic coating, chemical treatment and related process
GB/T 4955-1997
Replaced
GB/T 4955-1997 Metallic coatings—Measurement of coating thickness—Coulometric method by anodic dissolution
GB/T 17456-1998
Replaced
GB/T 17456-1998 Ductile iron pipes—External zinc-spray coating
GB/T 17460-1998
abolished_transferred