GB/T 22639-2022
Test method of exfoliation corrosion for aluminium alloy products

Standard No.

GB/T 22639-2022

Language

Chinese

Release Date

2022

Published By

国家市场监督管理总局、中国国家标准化管理委员会

Lastest

GB/T 22639-2022

Replace

GB/T 22639-2008

Scope

This document specifies the full immersion or intermediate immersion exfoliation corrosion test methods for 2×××, 5×××, 6×××, 7××× deformed aluminum alloy products. This document is applicable to the exfoliation corrosion test of deformed aluminum alloy products such as 2×××, 5×××, 6×××, 7××× series aluminum alloy plates, strips, tubes, rods, molds and forgings.

GB/T 22639-2022 Referenced Document

• GB/T 6682 Water for analytical laboratory use.Specification and test methods
• GB/T 8005 Aluminium and aluminium alloys--Terms and definitions

GB/T 22639-2022 history

• 2022 GB/T 22639-2022 Test method of exfoliation corrosion for aluminium alloy products
• 2008 GB/T 22639-2008 Test methods for exfoliation corrosion for wrough aluminium and aluminium alloys