This standard specifies the requirements, technical conditions and test methods for metal coatings and chemical treatment layers of automotive parts and accessories. This standard applies to automotive product design and process design.
GB/T 11376 Metallic and other inorganic coatings—Phosphate conversion coating of metals*, 2020-06-02 Update
GB/T 11379 Metallic coatings.Electroplated coatings of chromium for engineering purposes
GB/T 12333 Metallic coatings--Electroplated coatings of copper for engineering purposes
GB/T 12599 Metallic coatings--Electroplated coatings of tin--Specification and test methods
GB/T 12600 Metallic coatings.Electroplated coatings of nickel plus chromium on plastics materials
GB/T 12967.3 Test methods for anodic oxidation coatings and organic polymer coatings on aluminium and aluminium alloys—Part 3 : Salt spray test*, 2022-03-09 Update
GB/T 13912 Metallic coatings—Hot dip galvanized coatings on fabricated iron and steel articles—Specifications and test methods*, 2020-06-02 Update
GB/T 15519 Chemical conversion coatings--Black oxide coating on iron and steel--Specification and test methods
GB/T 5270 Metallic coatings on metallic substrates-Electrodeposited and chemically deposited coatings-Review of methods available for testing adhesion
GB/T 6461 Methods for corrosion testing of metallic and other inorganic coatings on metallic substrates--Rating of test specimens and manufactured articles subjected to corrosion tests
GB/T 8013.1 Anodic oxide coatings and organic polymer coatings on aluminium and its alloys—Part 1: Anodic oxide coatings*, 2018-05-14 Update
GB/T 8014.2 Anodizing of aluminium and its alloys-The measuring method of thickness of anodic oxide coatings Part2:Mass-loss method
GB/T 9797 Metallic and other inorganic coatings—Electrodeposited coatings of nickel,nickel plus chromium, copper plus nickel and of copper plus nickel plus chromium*, 2022-10-14 Update
GB/T 9798 Metallic coating.Electroplated coatings of nickel
GB/T 9799 Metallic and other inorganic coatings.Electroplated coatings of zinc with supplementary treatments on iron or steel
GB/T 9800 Chromate conversion coatings on electroplated zinc and cadmium coatings
QC/T 721 Non-electrolytically applied zinc flake coatings for automobile
QC/T 625-2013 history
2013QC/T 625-2013 Metallic coatings and conversion coatings for automobile
1999QC/T 625-1999 Automotive coatings and chemical treatments