QC/T 721-2024 Active Industry standards-Car

QC/T 721-2024 Non-electrolytically applied zinc flake coatings for automobile

QC/T 721-2024 Non-electrolytically applied zinc flake coatings for automobile

Publish Date: 2024-07-19 Implement Date: 2025-01-01 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

Basic Information

Standard Code: QC/T 721-2024

Standard Type: Industry standards

Standard Status: Active

is_force_gb: no

CCS Name: Process and tooling

ICS Name: Comprehensive Road Vehicles

Publish Date: 2024-07-19

Implement Date: 2025-01-01

Pages: 12 pages

Scope

This document specifies the general performance, protection grade requirements, pattern markings, and application scope of non-electrolytic zinc flake coatings for automobiles. This document is applicable to the surface protection of automotive parts made of steel, aluminum, and zinc alloys.

Development Information

Word Count: 13 Thousand words Pages: 12 pages

Replace the following standards

QC/T 721-2013 Automotive non-electrolytic zinc coating

Referenced Standards

GB/T 4956-2003 Non-magnetic coatings on magnetic substrates—Measurement of coating thickness-Magnetic method GB/T 5270-2005 Metallic coatings on metallic substrates—Electrodeposited and chemically deposited coatings—Review of methods available for testing adhesion GB/T 5270-2024 Metallic coatings on metallic substrates—Electrodeposited and chemically deposited coatings—Review of methods available for testing adhesion 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 10125-1997 Corrosion tests in artificial atmospheres—Salt spray tests GB/T 10125-2012 Corrosion tests in artificial atmospheres—Salt spray tests GB/T 10125-2021 Corrosion tests in artificial atmospheres—Salt spray tests GB/T 13893-1992 Paints and varnishes—Determination of resistance to humidity(continuous condensation) GB/T 13893-2008 Paints and varnishes—Determination of resistance to humidity—Continuous condensation GB/T 13893.2-2019 Paints and varnishes—Determination of resistance to humidity —Part 2:Condensation(in-cabinet exposure with heated water reservoir) GB/T 16921-1997 Measurement of metallic coating thickness X—ray spectrometric methods GB/T 16921-2005 Metallic coatings—Measurement of coating thickness—X-ray spectrometric methods GB/T 4956-2025 Non-magnetic coatings on magnetic substrates—Measurement of coating thickness—Magnetic method GB/T 6462-2025 Metallic and oxide coatings—Measurement of coating thinckness—Microscopical method

Related Standards

GB/T 4352-1984 Replaced

GB/T 4352-1984 Fuel consumption for trucks in operation

Publish Date: 1984-04-30

GB/T 4353-1984 Replaced

GB/T 4353-1984 Fuel consumption for passenger vehicles in operation

Publish Date: 1984-04-30

GB/T 4971-1985 Replaced

GB/T 4971-1985 Terms and definitions—Automotive ride comfort

Publish Date: 1985-03-02

GB/T 5902-1986 Replaced

GB/T 5902-1986 Method of pulse input running test-Automobile ride comfort

Publish Date: 1986-03-05

GB/T 7031-1986 Replaced

GB/T 7031-1986 Vehicle vibration—Describing method for road surface irregularity

Publish Date: 1986-11-25

GB/T 918.1-1989 Abolished

GB/T 918.1-1989 Classification and code for road vehicles—Motor vehicle

Publish Date: 1989-03-27