QC/T 721-2004
Zinc/Al/Chromate coatings for automobiles (English Version)

Standard No.

QC/T 721-2004

Language

Chinese, Available in English version

Release Date

2004

Published By

Professional Standard - Automobile

Status

Be replaced 2013-09

Replace By

QC/T 721-2013

Latest

QC/T 721-2013

Scope

This standard specifies the technical requirements and test methods for zinc-aluminum-chromium coatings for automobiles. This standard applies to the surface protection of steel, aluminum alloy and zinc alloy parts for automobiles.

QC/T 721-2004 history

• 2013 QC/T 721-2013 Non-electrolytically applied zinc flake coatings for automobile
• 2004 QC/T 721-2004 Zinc/Al/Chromate coatings for automobiles